Changxin Memory Technologies, Inc.

China

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H01L 27/108 - Dynamic random access memory structures 692
H10B 12/00 - Dynamic random access memory [DRAM] devices 657
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H01L 21/8242 - Dynamic random access memory structures (DRAM) 387
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1.

MEMORY AND ACCESS CONTROL METHOD THEREFOR, AND ELECTRONIC DEVICE

      
Application Number CN2024127144
Publication Number 2025/208845
Status In Force
Filing Date 2024-10-24
Publication Date 2025-10-09
Owner
  • BEIJING SUPERSTRING ACADEMY OF MEMORY TECHNOLOGY (China)
  • CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor
  • Dai, Jin
  • Bai, Jie

Abstract

A memory and an access control method therefor, and an electronic device. The memory comprises: at least one storage array layer and a plurality of common bit lines (CBL) having one-to-one correspondence to each storage array layer. Each storage array layer comprises a plurality of read bit lines (BLr) and a plurality of write bit lines (BLw) extending in a first direction parallel to a substrate. The read bit lines (BLr) and the write bit lines (BLw) on the same layer are connected to a corresponding common bit line (CBL). Each write bit line (BLw) is connected to a corresponding common bit line (CBL) by means of a first write gating sub-circuit (11), and each read bit line (BLr) is connected to a corresponding common bit line by means of a first read gating sub-circuit (12). The first write gating sub-circuit (11) is further connected to a first write gating control line, and is configured to connect/disconnect the write bit line to/from the common bit line under the control of the first write gating control line. The first read gating sub-circuit (12) is further connected to a first read gating control line, and is configured to connect/disconnect the read bit line to/from the common bit line under the control of the first read gating control line.

IPC Classes  ?

  • G11C 16/04 - Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS
  • G11C 16/24 - Bit-line control circuits
  • G11C 16/10 - Programming or data input circuits
  • G11C 16/26 - Sensing or reading circuitsData output circuits

2.

FABRICATION METHOD FOR SEMICONDUCTOR STRUCTURE AND SEMICONDUCTOR STRUCTURE

      
Application Number 19206412
Status Pending
Filing Date 2025-05-13
First Publication Date 2025-08-28
Owner ChangXin Memory Technologies, Inc. (China)
Inventor
  • Li, Haoran
  • Yang, Zhi

Abstract

A fabrication method for a semiconductor structure and a semiconductor structure are provided. The fabrication method for a semiconductor structure includes the steps as follows. A substrate is provided; multiple landing pad structures arranged at intervals are formed on an array region of the substrate, first conductive layers are formed on a peripheral region of the substrate, and a sacrificial spacer layer is formed on at least one side of each of the landing pad structures, where a gap exists between two adjacent ones of the landing pad structures; a dielectric layer is formed on the landing pad structures and the first conductive layers, where the dielectric layer covers an opening of the gap; the dielectric layer in the array region is removed and the gap is exposed; and the sacrificial spacer layer is removed to form air gaps.

IPC Classes  ?

  • H10B 12/00 - Dynamic random access memory [DRAM] devices

3.

SEMICONDUCTOR STRUCTURE, MEMORY AND METHOD FOR OPERATING MEMORY

      
Application Number 19063996
Status Pending
Filing Date 2025-02-26
First Publication Date 2025-06-19
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor Tang, Yanzhe

Abstract

Disclosed are a semiconductor structure, a memory and a method for operating the memory. The semiconductor structure includes: a substrate; a first gate structure and a second gate structure that are located on a surface of the substrate and have a same thickness smaller than a preset thickness; and a first doped area and a second doped area that are located in the substrate and are respectively located on two sides of the first gate structure. The first gate structure forms a selection transistor with the first and second doped areas; an orthographic projection of the second gate structure on the substrate is at least partially overlapped with the second doped area. The second gate structure and the second doped area form an antifuse bit structure. A breakdown state and a non-breakdown state of the antifuse bit structure are configured to represent different stored data.

IPC Classes  ?

  • H01L 23/525 - Arrangements for conducting electric current within the device in operation from one component to another including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body with adaptable interconnections
  • G11C 17/16 - Read-only memories programmable only onceSemi-permanent stores, e.g. manually-replaceable information cards in which contents are determined by selectively establishing, breaking or modifying connecting links by permanently altering the state of coupling elements, e.g. PROM using electrically-fusible links
  • G11C 17/18 - Auxiliary circuits, e.g. for writing into memory
  • H10B 20/25 - One-time programmable ROM [OTPROM] devices, e.g. using electrically-fusible links

4.

IMAGING SYSTEM HAVING MICROLENS AND PHOTO-ELECTRIC DEVICE AND MANUFACTURING METHOD

      
Application Number 17790457
Status Pending
Filing Date 2022-04-26
First Publication Date 2025-06-12
Owner ChangXin Memory Technologies, Inc. (China)
Inventor Cao, Kanyu

Abstract

The present disclosure provides an imaging system having a microlens array, a photoelectric conversion device, and a manufacturing method. The microlens array includes a first microlens array and a first light-transmitting part, and the first light-transmitting part is disposed on the first microlens array, the refractive index of the first light-transmitting part is greater than the refractive index of the ambient medium. A first light-transmitting part with a high refractive index is arranged on the first microlens array to change the wavelength of the incident light, so that the light with a shorter wavelength is imaged by the first microlens array to form an object image with a smaller diameter in its image size, thereby increasing the resolution of the imaging system.

IPC Classes  ?

  • H10F 39/00 - Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group , e.g. radiation detectors comprising photodiode arrays
  • H10F 39/12 - Image sensors

5.

MEMORY CIRCUIT AND MEMORY

      
Application Number 19034246
Status Pending
Filing Date 2025-01-22
First Publication Date 2025-05-22
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor Chi, Sungsoo

Abstract

A memory circuit at least includes a plurality of memory banks, where each of the memory banks includes a first memory sub-bank, a second memory sub-bank and a third memory sub-bank sequentially arranged, the second memory sub-bank including a first memory section and a second memory section, the first memory sub-bank and the second memory section being configured to store upper bytes, and the first memory section and the third memory sub-bank being configured to store lower bytes.

IPC Classes  ?

  • G06F 3/06 - Digital input from, or digital output to, record carriers
  • G11C 8/12 - Group selection circuits, e.g. for memory block selection, chip selection, array selection
  • G11C 11/408 - Address circuits

6.

PACKAGE SUBSTRATE AND SEMICONDUCTOR STRUCTURE WITH SAME

      
Application Number 18963719
Status Pending
Filing Date 2024-11-28
First Publication Date 2025-03-20
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor Wang, Hailin

Abstract

A package substrate is provided. The package substrate includes a body and a plurality of conducive bridges. The body includes an opening region. The plurality of conductive bridges are disposed separately in the opening region, and the plurality of conductive bridges comprise: a first conductive bridge provided with at least two first through holes.

IPC Classes  ?

  • H01L 23/538 - Arrangements for conducting electric current within the device in operation from one component to another the interconnection structure between a plurality of semiconductor chips being formed on, or in, insulating substrates
  • H01L 23/34 - Arrangements for cooling, heating, ventilating or temperature compensation

7.

SEMICONDUCTOR STRUCTURE, ITS READ/WRITE CONTROLLING AND METHOD OF MAKING THE SAME

      
Application Number 18547738
Status Pending
Filing Date 2022-10-11
First Publication Date 2025-03-06
Owner ChangXin Memory Technologies, Inc. (China)
Inventor Han, Qinghua

Abstract

The disclosed semiconductor structure includes: a substrate and a data line on the substrate, the data line extends along a first direction; the first transistor and the second transistor located on the first transistor's side away from the data line; each of the first transistor and the second transistor includes: a semiconductor column, the semiconductor column is located on a part of the top surface of the data line and extends along the third direction; an isolation structure inside the semiconductor column; along the second direction, the thickness of the isolation structure in different regions in the third direction is different, and the isolation structure runs through the semiconductor columns, and two of the first, the second and the third directions intersect each other. This improves the sensitivity of the second transistor to the change in current in the first transistor while reducing the leakage current in the first transistor.

IPC Classes  ?

  • H10B 12/00 - Dynamic random access memory [DRAM] devices
  • G11C 11/4096 - Input/output [I/O] data management or control circuits, e.g. reading or writing circuits, I/O drivers or bit-line switches
  • H01L 29/423 - Electrodes characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
  • H01L 29/66 - Types of semiconductor device
  • H01L 29/76 - Unipolar devices

8.

SEMICONDUCTOR STRUCTURE AND METHOD MAKING THE SAME

      
Application Number 18547316
Status Pending
Filing Date 2023-03-23
First Publication Date 2025-01-30
Owner ChangXin Memory Technologies, Inc. (China)
Inventor Huang, Meng

Abstract

A semiconductor structure and method of manufacturing are disclosed. The semiconductor structure includes: a substrate having an adjacent array area and a peripheral region; a bit line extending along a first direction, a semiconductor channel extending along a second direction and a word line extending along a third direction located on the array area; the ladder structure in the periphery region includes a plurality of steps each is in contact with either the bit line or the word line; a plurality of conductive columns in contact with the top surfaces of the steps and extending along the direction that is the same direction as the other one of the bit line or the word line; and a support frame located between any two adjacent conductive columns and connected to each step of the latter structure.

IPC Classes  ?

  • H10B 12/00 - Dynamic random access memory [DRAM] devices

9.

A SEMICONDUCTOR STRUCTURE AND ITS FABRICATION METHOD

      
Application Number 18547320
Status Pending
Filing Date 2023-04-07
First Publication Date 2025-01-30
Owner ChangXin Memory Technologies, Inc. (China)
Inventor
  • Wang, Hong
  • Li, Xiaojie

Abstract

The present disclosure discloses a semiconductor structure and a method for fabricating the semiconductor structure. The semiconductor structure includes a plurality of word lines and a plurality of bit lines; ladder structure, including multiple steps, each step includes a first part which extends along the first direction, and a second part which extends along the second direction; a plurality of electrical contact structures, the electrical contact structures is disposed on the top surfaces of a portion of the first part and the second part of the steps, and the electrical contact structures are electrically connected to the word lines or bit lines.

IPC Classes  ?

  • H10B 12/00 - Dynamic random access memory [DRAM] devices
  • H01L 21/768 - Applying interconnections to be used for carrying current between separate components within a device

10.

PREPARATION METHOD FOR SEMICONDUCTOR STRUCTURE AND SEMICONDUCTOR STRUCTURE

      
Application Number CN2023142873
Publication Number 2025/015860
Status In Force
Filing Date 2023-12-28
Publication Date 2025-01-23
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor
  • Li, Haoran
  • Yang, Zhi

Abstract

Provided are a preparation method for a semiconductor structure and a semiconductor structure. The preparation method for a semiconductor structure comprises: providing a substrate; forming a plurality of landing pad structures arranged at intervals on an array region of the substrate, and forming a first conductive layer on a peripheral region of the substrate, wherein a sacrificial spacer layer is formed on at least one side of each of the landing pad structures, and a gap exists between every two adjacent landing pad structures; forming a dielectric layer on the landing pad structures and the first conductive layer, wherein the dielectric layer covers openings of the gaps; removing the dielectric layer on the array region to expose the gaps; and removing the sacrificial spacer layers to form air gaps.

IPC Classes  ?

11.

Semiconductor structure and method for fabricating the same

      
Application Number 17878940
Grant Number 12369313
Status In Force
Filing Date 2022-06-20
First Publication Date 2025-01-16
Grant Date 2025-07-22
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor
  • Shao, Guangsu
  • Xiao, Deyuan

Abstract

Embodiments provide a semiconductor structure and a method for fabricating a semiconductor structure. The semiconductor structure includes a substrate, a capacitor structure, a transistor structure, bit lines, and word lines. The capacitor structure is arranged on the substrate, the transistor structure is arranged on a side of the capacitor structure, one of a source and a drain of the transistor structure is electrically connected to the capacitor structure, a gate of the transistor structure is electrically connected to the word lines, and other one of the source and the drain of the transistor structure is electrically connected to the bit lines. A word line isolation structure is arranged between adjacent two of the word lines, and a bit line isolation structure is arranged between adjacent two of the bit lines. A width of the word line isolation structure is not equal to a width of the bit line isolation structure.

IPC Classes  ?

  • H10B 12/00 - Dynamic random access memory [DRAM] devices

12.

A SEMICONDUCTOR STRUCTURE AND FABRICATION METHOD

      
Application Number 18547010
Status Pending
Filing Date 2022-10-31
First Publication Date 2025-01-16
Owner ChangXin Memory Technologies, Inc. (China)
Inventor Zeng, Yizhi

Abstract

A semiconductor structure and a fabricating method are disclosed. The method includes: providing a substrate; forming a bit line contact structure and a bit line on the substrate; the bit line contact structure is located between the bit line and the substrate; performing ion doping treatment on the sidewalls of the lower part of the bit line contact structure to forming a doped region; performing nitridation treatment on the doped region to transform the doped region into a nitride structure

IPC Classes  ?

  • H10B 12/00 - Dynamic random access memory [DRAM] devices

13.

Semiconductor Structure And Method For Fabricating The Same

      
Application Number 18547073
Status Pending
Filing Date 2022-07-21
First Publication Date 2025-01-16
Owner ChangXin Memory Technologies, Inc. (China)
Inventor
  • Wei, Jun
  • Yan, Dong
  • Yan, Taoyan
  • Bai, Donghe

Abstract

The disclosed semiconductor structure includes a conductive layer, a channel in the conductive layer. The inner wall of the channel is covered with a first dielectric layer. The thickness of the first dielectric layer is greater at the orifice of the channel than the thickness on the side away from the orifice; the first dielectric layer on the side close the orifice is covered with a second dielectric layer, and the second dielectric layer blocks the orifice; an air gap is formed in the first dielectric layer and the second dielectric layer, and the size of the air gap on the side away from the orifice is larger than the size of the air gap on the side close to the orifice. The present application can effectively reduce the parasitic capacitance of the conductive connection structure, alleviate its RC delay problem, and optimize the storage performance of the memory.

IPC Classes  ?

  • H01L 21/768 - Applying interconnections to be used for carrying current between separate components within a device
  • H01L 23/522 - Arrangements for conducting electric current within the device in operation from one component to another including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
  • H10B 12/00 - Dynamic random access memory [DRAM] devices

14.

SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREFOR

      
Application Number CN2023110802
Publication Number 2025/010777
Status In Force
Filing Date 2023-08-02
Publication Date 2025-01-16
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor Cao, Xinman

Abstract

The present disclosure provides a semiconductor device and a manufacturing method therefor. The manufacturing method comprises: providing a semiconductor structure, wherein the semiconductor structure comprises a substrate, a plurality of active regions which are located in the substrate and are arranged separately, a plurality of openings exposing parts of the active regions, and a protective layer covering the surface of the substrate among the openings; forming a semiconductor layer in the openings, wherein the surface of the semiconductor layer is not lower than the surface of the protective layer; forming a first dielectric layer, wherein the first dielectric layer covers the semiconductor layer; and sequentially etching the first dielectric layer and the semiconductor layer to form a plurality of initial bit line structures extending in a direction parallel to the substrate, wherein the initial bit line structures comprise the semiconductor layer and the first dielectric layer located on the semiconductor layer.

IPC Classes  ?

  • H10B 12/00 - Dynamic random access memory [DRAM] devices

15.

A SEMICONDUCTOR STRUCTURE AND METHOD MAKING THE SAME

      
Application Number 18547853
Status Pending
Filing Date 2023-03-13
First Publication Date 2025-01-09
Owner ChangXin Memory Technologies, Inc. (China)
Inventor Ji, Hongkai

Abstract

A semiconductor structure and a method of fabricating the semiconductor structure are disclosed. The semiconductor structure includes: a carrying layer, a barrier layer, a solder layer and an adhesive layer. The barrier layer is located on the surface of the carrying layer, and there are openings in the barrier layer. The barrier layer includes multiple sub-barrier layers in a stack. The multiple sub-barrier layers respectively form a plurality of steps in the opening, and the heights of the plurality of steps decrease sequentially in a direction from outside of the opening to inside of the opening. A solder layer and an adhesive layer are located in the opening, and the adhesive layer covers the solder layer.

IPC Classes  ?

  • H01L 23/00 - Details of semiconductor or other solid state devices

16.

CONTROL CIRCUIT AND MEMORY

      
Application Number CN2023126752
Publication Number 2025/007452
Status In Force
Filing Date 2023-10-26
Publication Date 2025-01-09
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor
  • Hu, Dong
  • Xie, Yanpeng

Abstract

Provided in the present disclosure are a control circuit and a memory. The control circuit comprises: an enable circuit, a decoding circuit and a signal generation circuit, wherein the enable circuit generates an enable signal, an active level of which starts from an active edge of an activation command signal and terminates at an active edge of a precharge command signal; when the enable signal is at the active level, the decoding circuit outputs a decoded signal, which is obtained by means of decoding an instruction signal; and the signal generation circuit generates, on the basis of the decoded signal, a control signal for a read or write operation of a memory.

IPC Classes  ?

  • G11C 11/408 - Address circuits
  • G11C 11/34 - Digital stores characterised by the use of particular electric or magnetic storage elementsStorage elements therefor using electric elements using semiconductor devices

17.

Delay measurement circuit and its control method

      
Application Number 18547480
Grant Number 12413216
Status In Force
Filing Date 2022-07-07
First Publication Date 2025-01-09
Grant Date 2025-09-09
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor Hou, Chuangming

Abstract

A delay measuring circuit includes a control oscillation module with its input terminal connected to its output terminal, which sequentially generates a number of time delay signals with a cycle time T after receiving first enable control signal; a target oscillating module receives a second enabling signal delayed by a first preset threshold than the first enabling signal; after the first preset time T1 is disconnected from the ground terminal/power supply terminal, each stage of the target unit in the target oscillating module connects at the second preset time T2. The level of the target unit turns over at first preset time T1, and target unit maintains logic level for second preset time T2; T1+T2=T/2, and N is an odd integer. So leakage current is reduced and mutual influence of the action current between the adjacent two-level target units are avoided, thus improving ring oscillator performance and reliability.

IPC Classes  ?

  • H03K 5/14 - Arrangements having a single output and transforming input signals into pulses delivered at desired time intervals by the use of delay lines
  • H03K 5/19 - Monitoring patterns of pulse trains
  • H03K 19/20 - Logic circuits, i.e. having at least two inputs acting on one outputInverting circuits characterised by logic function, e.g. AND, OR, NOR, NOT circuits

18.

TEST MODE CONTROL CIRCUIT, CONTROL METHOD, AND MEMORY

      
Application Number CN2023110811
Publication Number 2025/007383
Status In Force
Filing Date 2023-08-02
Publication Date 2025-01-09
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor
  • Hu, Dong
  • Zou, Xiaosai
  • Huang, Zequn

Abstract

The present embodiments provide a test mode control circuit, a control method, and a memory. In the circuit: an address processing circuit is used to obtain a target address signal when an enable signal is in an enabling state; a delay circuit is used to obtain a shifted mode register write signal; a sampling latch circuit is used to obtain a target operation code signal when the enable signal is in the enabling state; and a test circuit is used to generate and output a corresponding test signal.

IPC Classes  ?

  • G11C 29/12 - Built-in arrangements for testing, e.g. built-in self testing [BIST]

19.

STORAGE UNIT, AND MEMORY AND PREPARATION METHOD THEREFOR

      
Application Number CN2023131330
Publication Number 2025/007473
Status In Force
Filing Date 2023-11-13
Publication Date 2025-01-09
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor Tang, Yi

Abstract

The present disclosure relates to the technical field of storage, and relates to a storage unit, and a memory and a preparation method therefor. In the storage unit, a semiconductor layer is in a closed ring shape; and an inner area of the ring of the semiconductor layer comprises a first area and a second area, which are insulated and isolated from each other in a first direction. The semiconductor layer comprises: a first semiconductor portion, which surrounds part of the boundary of the first area, and a second semiconductor portion, which surrounds part of the boundary of the second area. A first gate electrode is located in the first area. Two second gate electrodes are respectively located on two sides of the first semiconductor portion that are away from the first gate electrode and opposite each other in a second direction, the second direction intersecting with the first direction. A contact electrode conformally covers an inner side wall of the second semiconductor portion. A first electrode is located in the second area and is insulated from the contact electrode. A second electrode is located on the outer side of the second semiconductor portion that is away from the first electrode in the first direction and the second direction, and the second electrode is insulated from the second semiconductor portion.

IPC Classes  ?

  • H10B 12/00 - Dynamic random access memory [DRAM] devices

20.

SEMICONDUCTOR PACKAGE STRUCTURE

      
Application Number CN2023131342
Publication Number 2025/007474
Status In Force
Filing Date 2023-11-13
Publication Date 2025-01-09
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor Lv, Kaimin

Abstract

A semiconductor package structure, comprising: a first substrate, a second substrate, a processor module, a chip stacking structure and a signal adapter board. The processor module is arranged on a first plane of the first substrate and is connected to the first substrate; the chip stacking structure is arranged on the first plane of the first substrate and is connected to the first substrate, and the first substrate is used for transmitting a first-type signal between the processor module and the chip stacking structure; the signal adapter board is connected to the processor module and the chip stacking structure and is used for transmitting a second-type signal between the processor module and the chip stacking structure; and the second substrate is parallel to the first substrate and is connected to a second plane of the first substrate, and the second plane of the first substrate is parallel to and opposite to the first plane of the first substrate. According to embodiments of the present disclosure, the semiconductor packaging cost can be reduced.

IPC Classes  ?

  • H10B 80/00 - Assemblies of multiple devices comprising at least one memory device covered by this subclass

21.

SIGNAL PROCESSING CIRCUIT AND MEMORY

      
Application Number CN2023110860
Publication Number 2025/000634
Status In Force
Filing Date 2023-08-02
Publication Date 2025-01-02
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor Gu, Yinchuan

Abstract

The present disclosure provides a signal processing circuit and a memory. The signal processing circuit comprises: a pulse stretching circuit which is used for stretching the pulse width of an address signal by means of a command signal to generate an address stretched signal; and an address decoding circuit which has an input end coupled to an output end of the pulse stretching circuit, and is used for decoding the address stretched signal to generate an address decoded signal.

IPC Classes  ?

  • G11C 11/408 - Address circuits
  • G11C 11/4094 - Bit-line management or control circuits
  • G11C 11/4076 - Timing circuits
  • G11C 11/406 - Management or control of the refreshing or charge-regeneration cycles
  • G11C 8/06 - Address interface arrangements, e.g. address buffers
  • G11C 8/10 - Decoders
  • G11C 7/10 - Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
  • G11C 7/12 - Bit line control circuits, e.g. drivers, boosters, pull-up circuits, pull-down circuits, precharging circuits, equalising circuits, for bit lines
  • G11C 7/22 - Read-write [R-W] timing or clocking circuitsRead-write [R-W] control signal generators or management

22.

REFRESH CONTROL CIRCUIT AND MEMORY

      
Application Number CN2023110862
Publication Number 2025/000635
Status In Force
Filing Date 2023-08-02
Publication Date 2025-01-02
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor Gu, Yinchuan

Abstract

Provided in the present disclosure are a refresh control circuit and a memory. The refresh control circuit comprises a self-refresh control signal generation module and a self-refresh signal generation module, wherein the self-refresh control signal generation module is configured to receive a self-refresh mode signal, output a self-refresh control signal of a first level when the self-refresh mode signal indicates that a memory enters a self-refresh mode, and output a self-refresh control signal of a second level when the self-refresh mode signal indicates that the memory exits the self-refresh mode; and the self-refresh signal generation module is configured to receive the self-refresh control signal, output a self-refresh signal, generate a shielding signal on the basis of the self-refresh control signal, and shield the self-refresh control signal for a preset duration on the basis of the shielding signal and then output the self-refresh control signal.

IPC Classes  ?

  • G11C 11/406 - Management or control of the refreshing or charge-regeneration cycles

23.

SEMICONDUCTOR STRUCTURE AND MANUFACTURING METHOD THEREFOR

      
Application Number CN2023131533
Publication Number 2025/000819
Status In Force
Filing Date 2023-11-14
Publication Date 2025-01-02
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor
  • Li, Haoran
  • Yang, Zhi

Abstract

Embodiments of the present disclosure disclose a semiconductor structure and a manufacturing method therefor. The semiconductor structure comprises: a substrate; a first conductive layer, located on the substrate and comprising a first sub-conductive structure, a second sub-conductive structure, and a second conductive structure which are arranged at intervals; a second conductive layer, located on the first conductive layer; an isolation structure, located between the first sub-conductive structure and the second sub-conductive structure, connected to the second conductive layer and used for electrically isolating the first sub-conductive structure from the second sub-conductive structure; and a contact plug, located between the second conductive structure and the second conductive layer, and used for electrically connecting the second conductive structure to the second conductive layer.

IPC Classes  ?

  • H10B 12/00 - Dynamic random access memory [DRAM] devices

24.

STORAGE UNIT, MEMORY AND MANUFACTURING METHOD THEREFOR

      
Application Number CN2023131305
Publication Number 2024/259879
Status In Force
Filing Date 2023-11-13
Publication Date 2024-12-26
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor Tang, Yi

Abstract

The present disclosure relates to the technical field of storage, and relates to a storage unit, a memory and a manufacturing method therefor. The storage unit comprises: a transistor and a capacitor. The transistor comprises: a semiconductor layer, a first gate, and a second gate. The semiconductor layer comprises a first portion extending in a first direction, and a second portion and a third portion respectively connected to the two ends of the first portion and extending in a second direction; the second direction intersects the first direction; and the side of the second portion facing away from the third portion is electrically connected to a bit line. The first gate and the second gate are respectively located on the two opposite sides of the first portion in the second direction. The capacitor is located on the side of the third portion facing away from the second portion and is electrically connected to the third portion.

IPC Classes  ?

  • H10B 12/00 - Dynamic random access memory [DRAM] devices

25.

SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREFOR

      
Application Number CN2023131516
Publication Number 2024/255099
Status In Force
Filing Date 2023-11-14
Publication Date 2024-12-19
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor
  • Xiao, Deyuan
  • Yang, Chen
  • Kim, Taegyun
  • Qiu, Yunsong
  • Jiang, Yi
  • Liao, Yu-Cheng

Abstract

Provided in the present disclosure are a semiconductor device and a manufacturing method therefor. The manufacturing method comprises: providing a substrate, wherein a device region of the substrate comprises a first sub-region and a second sub-region, a first isolation sub-structure located in the first sub-region comprises a first dielectric layer that fills up a first sub-trench, and a second isolation sub-structure located in the second sub-region comprises a first dielectric layer and a first isolation layer that sequentially cover the side wall and the bottom of a second sub-trench, and a second dielectric layer that fills up the second sub-trench; removing part of the first dielectric layer and part of the second dielectric layer from the second sub-trench, so as to expose at least part of the side wall of the first isolation layer; and removing from the second sub-trench part of the first isolation layer that is exposed.

IPC Classes  ?

  • H10B 12/00 - Dynamic random access memory [DRAM] devices

26.

INFORMATION PROCESSING APPARATUS

      
Application Number CN2023126685
Publication Number 2024/255060
Status In Force
Filing Date 2023-10-26
Publication Date 2024-12-19
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor
  • Fang, Yuan
  • Wang, Yanwu

Abstract

An information processing apparatus, comprising: a mainboard (101), which has a first surface, wherein the first surface is provided with a central processing unit (102) electrically connected to the mainboard (101); a compressed additional memory module (103), which is located on one side of the first surface, wherein at least one surface of the compressed additional memory module (103) is provided with a plurality of chips (104); and an external connection structure (105), which is located on one side of the first surface, and is configured to electrically connect to the compressed additional memory module (103) and the central processing unit (102), wherein the central processing unit (102) is configured to read data from each chip (104) and write data into each chip (104) at least via the external connection structure (105).

IPC Classes  ?

27.

EXPOSURE COMPENSATION AMOUNT DETERMINATION METHOD, DEVICE AND STORAGE MEDIUM

      
Application Number CN2023092115
Publication Number 2024/212284
Status In Force
Filing Date 2023-05-04
Publication Date 2024-10-17
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor Zhou, Deyang

Abstract

An exposure compensation amount determination method, comprising: forming a first photoresist pattern (310) by means of executing a first photolithography process, and transferring the first photoresist pattern (310) to the current layer to form a first pattern; and then executing a second photolithography process to form a second photoresist pattern (320) on the first pattern, transferring the second photoresist pattern (320) to the current layer to obtain a second pattern, and on the basis of the first pattern and the second pattern, obtaining a target pattern. An exposure compensation amount can be determined by means of combining an alignment offset obtained when the first pattern is formed, an alignment offset with respect to the first pattern, which is obtained when the second image is formed, and an alignment offset of the target image and a substrate alignment mark.

IPC Classes  ?

28.

COMMAND GENERATION CIRCUIT AND MEMORY

      
Application Number CN2023131540
Publication Number 2024/212509
Status In Force
Filing Date 2023-11-14
Publication Date 2024-10-17
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor
  • Shao, Yanian
  • Jung, Jaehun

Abstract

The present disclosure provides a command generation circuit and a memory. A first sampling circuit is used for performing sampling processing on a first command signal according to a first clock signal to obtain a first intermediate signal; a base delay circuit is used for performing sampling and shifting processing on the first intermediate signal according to a first control signal and the first clock signal to obtain a second intermediate signal; a second sampling circuit is used for performing setting processing on the second sampling circuit according to the first intermediate signal, and performing sampling processing on the second intermediate signal according to the first clock signal to obtain a third intermediate signal; and a command adjustment circuit is used for performing pulse-width adjustment processing on the first command signal according to the first intermediate signal and the third intermediate signal to obtain a second command signal.

IPC Classes  ?

  • G11C 11/4063 - Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing

29.

ANTI-FUSE CIRCUIT AND ANTI-FUSE UNIT PROGRAMMING STATE VERIFICATION METHOD

      
Application Number 18036081
Status Pending
Filing Date 2022-10-19
First Publication Date 2024-10-10
Owner ChangXin Memory Technologies, Inc. (China)
Inventor Zhang, Jiarui

Abstract

An embodiment of the present disclosure provides an anti-fuse circuit, including: an anti-fuse unit; a programming circuit connected to the anti-fuse unit, and the programming circuit performs programming of the anti-fuse unit according to the programming control signal and the programming signal; the read unit reads the anti-fuse unit to obtain a data signal; the verification control unit controls the electrical connection between the reading unit and the anti-fuse unit according to the verification enable signal and the programming signal of the anti-fuse unit, when verifying the programming state of the anti-fuse unit. When the anti-fuse circuit verifies the programming state of the anti-fuse unit, it controls the electrical connection between the read unit and the anti-fuse unit according to the verification enable signal and the programming signal of the anti-fuse unit, to realize real-time verification of programming status.

IPC Classes  ?

  • G11C 17/18 - Auxiliary circuits, e.g. for writing into memory
  • G11C 17/16 - Read-only memories programmable only onceSemi-permanent stores, e.g. manually-replaceable information cards in which contents are determined by selectively establishing, breaking or modifying connecting links by permanently altering the state of coupling elements, e.g. PROM using electrically-fusible links

30.

MEMORY AND CONTROLLER

      
Application Number CN2023110844
Publication Number 2024/207649
Status In Force
Filing Date 2023-08-02
Publication Date 2024-10-10
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor
  • Sun, Kai
  • Huang, Zequn

Abstract

Provided in the embodiments of the present disclosure are a memory and a controller. The memory comprises an ECS circuit. The ECS circuit comprises: an ECS module, which is used for receiving a period control signal sent by a controller, generating an ECS clock signal according to the period control signal, executing an ECS operation on the basis of the ECS clock signal, and generating and outputting error information after the present ECS operation is completed, wherein the period of the ECS clock signal is positively correlated with a period for executing the present ECS operation; and a register module, which is connected to the ECS module, and is used for receiving the error information and sending the error information to the controller, such that the controller updates the period control signal according to the error information, wherein the ECS module executes the next ECS operation according to the updated period control signal.

IPC Classes  ?

31.

Electronic device and driving method thereof

      
Application Number 18036036
Grant Number 12230339
Status In Force
Filing Date 2022-07-12
First Publication Date 2024-10-10
Grant Date 2025-02-18
Owner ChangXin Memory Technologies, Inc. (China)
Inventor Chi, Sungsoo

Abstract

The present disclosure provides an electronic device and a driving method. The electronic device comprises: a sensitivity amplifier and a voltage adjustment circuit. The sensitivity amplifier includes: a first P-type transistor, a second P-type transistor, a first N-type transistor, a second N-type transistor, and a control circuit. The control circuit is connected to the third node, the fourth node, and a preset voltage terminal. A first control signal terminal responds to the signal of the first control signal terminal to connect the preset voltage terminal and the third node and the fourth node. The preset voltage terminal inputs a preset voltage signal. The electronic device write a preset voltage signal of a suitable size to the sensitivity amplifier through the voltage adjustment circuit, so that the sensitivity amplifier has an appropriate voltage difference between the bit line and the complementary bit line during offset elimination.

IPC Classes  ?

  • G11C 17/16 - Read-only memories programmable only onceSemi-permanent stores, e.g. manually-replaceable information cards in which contents are determined by selectively establishing, breaking or modifying connecting links by permanently altering the state of coupling elements, e.g. PROM using electrically-fusible links
  • G11C 7/08 - Control thereof
  • G11C 17/18 - Auxiliary circuits, e.g. for writing into memory

32.

MEMORY

      
Application Number CN2023093122
Publication Number 2024/207588
Status In Force
Filing Date 2023-05-10
Publication Date 2024-10-10
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor Lu, Yaohua

Abstract

The present disclosure provides a memory. The memory comprises: a plurality of main storage arrays, a plurality of redundant arrays, and a plurality of write selection circuits; the redundant arrays are used for replacing faulty storage units in the main storage arrays; each write selection circuit receives M sets of data, and is adapted, according to a write selection signal, to output data to be recovered in the M sets of data to a data transmission path of the corresponding redundant array or not to output data.

IPC Classes  ?

  • G11C 29/00 - Checking stores for correct operationTesting stores during standby or offline operation
  • G11C 29/42 - Response verification devices using error correcting codes [ECC] or parity check
  • G11C 29/44 - Indication or identification of errors, e.g. for repair

33.

FAULT ADDRESSING CIRCUIT AND MEMORY

      
Application Number CN2023126755
Publication Number 2024/207715
Status In Force
Filing Date 2023-10-26
Publication Date 2024-10-10
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor Lu, Yaohua

Abstract

Provided in the present disclosure are a fault addressing circuit and a memory. The fault addressing circuit comprises an enable circuit and an output circuit, wherein with regard to a column address corresponding to a command address signal, the enable circuit outputs a valid enable signal if a fault array identifier of the column address is not an invalid value, otherwise outputs an invalid enable signal, and the enable circuit outputs an invalid enable signal with regard to other column addresses; and the output circuit outputs, according to an enable signal of each column address, a fault array identifier of a column address with a valid enable signal.

IPC Classes  ?

  • G11C 29/44 - Indication or identification of errors, e.g. for repair

34.

SEMICONDUCTOR STRUCTURE AND MANUFACTURING METHOD THEREFOR

      
Application Number CN2023131154
Publication Number 2024/198373
Status In Force
Filing Date 2023-11-13
Publication Date 2024-10-03
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor
  • Zhao, Yongli
  • Zhang, Ruiqi
  • Xu, Yachao

Abstract

Disclosed are a semiconductor structure and a manufacturing method therefor. The semiconductor structure comprises: a substrate provided with a word line trench, the bottom and the side wall of the word line trench being covered with a dielectric layer; a word line that is located on the inner wall of the dielectric layer and fills part of the word line trench, the top of the word line being provided with a protruding portion that protrudes in the vertical direction; an isolation layer filling a recess on at least one side of the protruding portion; and an insulating layer that is located above the word line and the isolation layer and fully fills the word line trench, the dielectric constant of the insulating layer being less than that of the isolation layer.

IPC Classes  ?

  • H10B 12/00 - Dynamic random access memory [DRAM] devices

35.

COLUMN CONTROL CIRCUIT AND STORAGE APPARATUS

      
Application Number CN2023088687
Publication Number 2024/197994
Status In Force
Filing Date 2023-04-17
Publication Date 2024-10-03
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor Wang, Zijian

Abstract

Disclosed in the present application are a column control circuit and a storage apparatus. The column control circuit comprises a delay control circuit and a control signal generation circuit, wherein the delay control circuit receives a column selection start signal and performs delay processing, so as to output a column selection termination signal and a reset signal; the control signal generation circuit receives the column selection start signal, the reset signal, the column selection termination signal and a target bank group selection signal, and outputs a target column selection start signal, a target column selection termination signal and a target column selection window signal; from a start moment when the target column selection start signal is in an effective state until the reset signal is effective, the target column selection window signal is in an effective state, and an effective duration of the target column selection window signal is greater than or equal to an effective duration of the target bank group selection signal.

IPC Classes  ?

  • G11C 7/10 - Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers

36.

SEMICONDUCTOR STRUCTURE, SEMICONDUCTOR FORMING METHOD, AND MEMORY

      
Application Number CN2023092138
Publication Number 2024/198036
Status In Force
Filing Date 2023-05-05
Publication Date 2024-10-03
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor Li, Xiaojie

Abstract

The present disclosure relates to a semiconductor structure, a semiconductor forming method, and a memory. The semiconductor structure comprises: a substrate having an array area and a peripheral area; a first stack structure located in the peripheral area, the first stack structure comprising a plurality of first semiconductor layers, a plurality of second semiconductor layers, and a stress release layer, wherein the first semiconductor layers and the second semiconductor layers are alternately stacked in sequence, and the stress release layer is located on the top first semiconductor layer; a storage structure located in the array area, the storage structure comprising a plurality of storage units which are sequentially stacked; a first peripheral transistor structure arranged on the top surface of the first stack structure, the first peripheral transistor structure being electrically connected to the storage units of a first portion; and a second peripheral transistor structure arranged on the top surface of the substrate, the second peripheral transistor structure being electrically connected to the storage units of a second portion.

IPC Classes  ?

  • H10B 12/00 - Dynamic random access memory [DRAM] devices

37.

SEMICONDUCTOR STRUCTURE AND MANUFACTURING METHOD THEREFOR

      
Application Number CN2023097828
Publication Number 2024/198079
Status In Force
Filing Date 2023-06-01
Publication Date 2024-10-03
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor
  • Yu, Hualiang
  • Ye, Lixin

Abstract

Disclosed are a semiconductor structure and a manufacturing method therefor. The manufacturing method comprises: providing a substrate having at least one blind hole; using an epitaxial growth process to form bottom silicon at least at the bottom portions of the blind holes; forming an initial silicon material layer fully filling the rest of the blind holes, the melting point of the initial silicon material layer being lower than the melting point of the bottom silicon; using laser to process the initial silicon material layer, such that the initial silicon material layer is molten; and performing cooling processing on the laser-treated initial silicon material layer, such that the initial silicon material layer recrystallizes to form a silicon material layer.

IPC Classes  ?

  • H01L 21/336 - Field-effect transistors with an insulated gate
  • H01L 21/324 - Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering
  • H01L 21/768 - Applying interconnections to be used for carrying current between separate components within a device

38.

MANUFACTURING METHOD FOR SEMICONDUCTOR STRUCTURE AND STRUCTURE THEREOF

      
Application Number CN2023131180
Publication Number 2024/198374
Status In Force
Filing Date 2023-11-13
Publication Date 2024-10-03
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor Zhang, Yanjie

Abstract

Provided in the embodiments of the present disclosure are a manufacturing method for a semiconductor structure and a structure thereof. The manufacturing method for a semiconductor structure comprises: providing a substrate, forming a plurality of lower electrode layers, forming a capacitive dielectric layer, forming an upper electrode layer, forming a seed crystal layer, and growing and forming a semiconductor conductive layer along the surface of the seed crystal layer, wherein each lower electrode layer is located on the surface of the substrate, the capacitive dielectric layer covers the surface of each lower electrode layer, the upper electrode layer covers the surface of the capacitive dielectric layer, a groove is defined by means of the upper electrode layer between adjacent lower electrode layers, the seed crystal layer covers the surface of the upper electrode layer, the groove is not filled with the seed crystal layer, the seed crystal layer contains a fourth main group element, and the semiconductor conductive layer covers the surface of the seed crystal layer and fills the groove.

IPC Classes  ?

  • H10N 97/00 - Electric solid-state thin-film or thick-film devices, not otherwise provided for

39.

MEMORY AND CONTROL METHOD THEREFOR, AND MEMORY SYSTEM

      
Application Number CN2023085990
Publication Number 2024/192812
Status In Force
Filing Date 2023-04-03
Publication Date 2024-09-26
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor
  • Lu, Tianchen
  • Zou, Xiaosai

Abstract

The embodiments of the present disclosure provide a memory and a control method therefor, and a memory system. The memory comprises: M storage groups, wherein each storage group comprises at least two storage blocks; a compression module, which is configured to perform in a compression test mode compression processing on first data outputted by each storage block, so as to obtain first compressed data; and a data transmission module, which is connected to the compression module and comprises a plurality of bus transmission modules and a plurality of data terminal areas, wherein the bus transmission modules and the data terminal areas are connected by means of a transmission line group, each bus transmission module is connected to N storage groups, and the bus transmission modules are configured to output one piece of first data in a normal mode, or, perform parallel-serial conversion processing on a plurality of pieces of first compressed data and output a second compression signal in the compression test mode.

IPC Classes  ?

  • G11C 29/00 - Checking stores for correct operationTesting stores during standby or offline operation

40.

Semiconductor structures of anti-fuse devices and core devices with different dielectric layers

      
Application Number 18676465
Grant Number 12315799
Status In Force
Filing Date 2024-05-28
First Publication Date 2024-09-19
Grant Date 2025-05-27
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor Cao, Xianlei

Abstract

A semiconductor structure includes: a core device region and an anti-fuse device region, disposed on a same substrate; a first dielectric layer, disposed on the substrate of the core device region and the anti-fuse device region, wherein the first dielectric layer has a first dielectric constant; a second dielectric layer, disposed on the first dielectric layer of the core device region; and a conductive layer, disposed on the second dielectric layer of the core device region and the first dielectric layer of the anti-fuse device region; wherein the second dielectric layer has a dielectric constant larger than the first dielectric constant.

IPC Classes  ?

  • H01L 23/00 - Details of semiconductor or other solid state devices
  • H01L 23/525 - Arrangements for conducting electric current within the device in operation from one component to another including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body with adaptable interconnections
  • H01L 23/532 - Arrangements for conducting electric current within the device in operation from one component to another including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body characterised by the materials

41.

MEMORY, CONTROL CIRCUIT THEREOF AND OPERATING METHOD THEREFOR

      
Application Number CN2023097819
Publication Number 2024/187600
Status In Force
Filing Date 2023-06-01
Publication Date 2024-09-19
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor Cheng, Biao

Abstract

Provided in the embodiments of the present disclosure are a memory, a control circuit thereof and an operating method therefor. The control circuit comprises: an address decoding logic circuit, configured to output address signals of designated banks to a bank group, and comprising a first input end configured to receive a first address signal and a second input end configured to receive a second address signal; and an address selection circuit, connected to the second input end or the first input end, and the address selection circuit being configured to output the corresponding second address signal according to the first address signal or configured to output to the address decoding logic circuit a predetermined third address signal as the second address signal.

IPC Classes  ?

  • G11C 8/06 - Address interface arrangements, e.g. address buffers

42.

SEMICONDUCTOR STRUCTURE AND MANUFACTURING METHOD THEREFOR

      
Application Number CN2023110936
Publication Number 2024/187664
Status In Force
Filing Date 2023-08-03
Publication Date 2024-09-19
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor Liu, Ying

Abstract

Embodiments of the present disclosure relate to a semiconductor structure and a manufacturing method therefor. The semiconductor structure comprises: a first chip, the first chip being provided with a first pad; a second chip, the second chip being provided with a second pad and a metal bump, and the metal bump being located on the surface of the second pad away from the second chip and bonded to the first pad; and an insulating layer, located between the first chip and the second chip, a first cavity and a second cavity being formed in the insulating layer, the first cavity being located on the periphery of the first pad, the second cavity being located on the periphery of the metal bump, and the first cavity being communicated with the second cavity to form a cavity, wherein the cavity is filled with the metal bump.

IPC Classes  ?

  • H01L 23/488 - Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads or terminal arrangements consisting of soldered or bonded constructions
  • H01L 21/48 - Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the groups or

43.

COMMAND PROCESSING CIRCUIT AND MEMORY

      
Application Number CN2023092687
Publication Number 2024/187568
Status In Force
Filing Date 2023-05-08
Publication Date 2024-09-19
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor
  • Sun, Kai
  • Huang, Zequn

Abstract

Embodiments of the present invention provide a command processing circuit and a memory. The command processing circuit comprises a counting circuit and a command generation circuit; there are a plurality of cascaded counting groups in the counting circuit; an initial command can be sent to a clock end of a selected counting group, and a counting result of the final counting group is output as a command count value; when the command count value reaches a target value, the command generation circuit generates a first operation command on the basis of the current initial command or the next initial command.

IPC Classes  ?

  • G11C 11/413 - Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing, timing or power reduction

44.

SENSE AMPLIFIER CIRCUIT STRUCTURE AND MEMORY

      
Application Number CN2023093950
Publication Number 2024/187577
Status In Force
Filing Date 2023-05-12
Publication Date 2024-09-19
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor Bai, Wenqi

Abstract

The present disclosure relates to the field of semiconductor circuit design, and in particular to a sense amplifier circuit structure and a memory. The sense amplifier circuit structure comprises: a first N-type transistor, connected to a bit line, a first power supply node and a complementary amplification bit line; a second N-type transistor, connected to a complementary bit line, the first power supply node and an amplification bit line; a first P-type transistor, connected to the amplification bit line, a second power supply node and the complementary amplification bit line; a second P-type transistor, connected to the complementary amplification bit line, the second power supply node and the amplification bit line; a first isolation transistor, connected to the bit line and the amplification bit line; and a second isolation transistor, connected to the complementary bit line and the complementary amplification bit line, the thicknesses of gate oxide layers of the first isolation transistor and the second isolation transistor being greater than the thicknesses of gate oxide layers of the first N-type transistor and the second N-type transistor.

IPC Classes  ?

  • G11C 11/4063 - Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing

45.

SEMICONDUCTOR STRUCTURE AND MANUFACTURING METHOD THEREFOR

      
Application Number CN2023110883
Publication Number 2024/187663
Status In Force
Filing Date 2023-08-03
Publication Date 2024-09-19
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor
  • Ohishi, Akihisa
  • Jin, Chunhua

Abstract

Embodiments of the present disclosure provide a semiconductor structure and a manufacturing method therefor. The semiconductor structure comprises: a substrate, embedded word line structures, a bit line contact structure, and an embedded bit line structure; the substrate comprises active regions which are spaced apart from each other; the embedded word line structures are located in the substrate, and the embedded word line structures each comprise a word line conductive layer; the bottom surface of at least part of the bit line contact structure is flush with the top surface of the word line conductive layer, or the bottom surface of at least part of the bit line contact structure is lower than the top surface of the word line conductive layer; the embedded bit line structure is located in the substrate, the embedded bit line structure extends in a second direction, and the embedded bit line structure is located on the top surface of the bit line contact structure.

IPC Classes  ?

  • H10B 12/00 - Dynamic random access memory [DRAM] devices

46.

PREPARATION METHOD FOR SEMICONDUCTOR STRUCTURE, AND SEMICONDUCTOR STRUCTURE

      
Application Number CN2023094783
Publication Number 2024/183155
Status In Force
Filing Date 2023-05-17
Publication Date 2024-09-12
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor Tsai, Chang-Yi

Abstract

A semiconductor structure and a preparation method therefor. The method comprises: providing a grinding fluid, wherein the grinding fluid comprises grinding particles (101), deionized water and a surfactant (105), and has a pH value of no greater than 3.5; and subjecting an initial semiconductor structure (106) to chemo-mechanical grinding treatment with the grinding fluid, so as to obtain a semiconductor structure (107). The preparation method for a semiconductor structure can realize a surface treatment on various materials, and as for different polishing objects, initial semiconductor structures made of various materials can share one grinding fluid; therefore, chemo-mechanical grinding (CMP) of initial semiconductor structures made of different materials can be achieved by means of only one set of a chemical grinding fluid supply system, such that a CMP process is simplified, and the cost is reduced.

IPC Classes  ?

  • H01L 21/306 - Chemical or electrical treatment, e.g. electrolytic etching
  • H01L 21/302 - Treatment of semiconductor bodies using processes or apparatus not provided for in groups to change the physical characteristics of their surfaces, or to change their shape, e.g. etching, polishing, cutting
  • H01L 21/304 - Mechanical treatment, e.g. grinding, polishing, cutting
  • H01L 21/461 - Treatment of semiconductor bodies using processes or apparatus not provided for in groups to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
  • H01L 21/463 - Mechanical treatment, e.g. grinding, ultrasonic treatment
  • B24B 57/02 - Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents

47.

SIGNAL DRIVING CIRCUIT AND MEMORY

      
Application Number CN2023097826
Publication Number 2024/183171
Status In Force
Filing Date 2023-06-01
Publication Date 2024-09-12
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor Wang, Chao

Abstract

Provided in the embodiments of the present disclosure are a signal driving circuit and a memory. The signal driving circuit comprises a driving module and a control module; the driving module is configured to receive an input signal, output a first output signal in a second level state when the input signal is in a first level state, and output a first output signal in the first level state when the input signal is in the second level state; the control module is configured to cause the driving module to output a second output signal in the second level state when the input signal is in the first level state, the time when the second output signal jumps from the first level state to the second level state being less than the time when the first output signal jumps from the first level state to the second level state.

IPC Classes  ?

  • G11C 11/4063 - Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing

48.

SENSE AMPLIFIER AND CONTROL METHOD THEREFOR, AND MEMORY

      
Application Number CN2023097851
Publication Number 2024/183172
Status In Force
Filing Date 2023-06-01
Publication Date 2024-09-12
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor
  • Wang, Weitao
  • Na, Onegyun
  • Wu, Runjin

Abstract

Provided in the embodiments of the present disclosure are a sense amplifier and a control method therefor, and a memory. The sense amplifier comprises a sense amplifier circuit, and an offset cancellation circuit and an isolation circuit, which are connected to the sense amplifier circuit, wherein the sense amplifier circuit comprises a first NMOS transistor and a second NMOS transistor; the offset cancellation circuit is used for charging a gate capacitor of the first NMOS transistor and a gate capacitor of the second NMOS transistor; and the isolation circuit is further electrically connected to a first bit line and a second bit line, and the isolation circuit is used for connecting the gate capacitor of the first NMOS transistor to the second bit line and connecting the gate capacitor of the second NMOS transistor to the first bit line, so as to realize charge sharing.

IPC Classes  ?

  • G11C 7/06 - Sense amplifiersAssociated circuits
  • G11C 7/08 - Control thereof
  • G11C 7/12 - Bit line control circuits, e.g. drivers, boosters, pull-up circuits, pull-down circuits, precharging circuits, equalising circuits, for bit lines
  • G11C 11/4063 - Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing

49.

CONTROL CIRCUIT AND MEMORY

      
Application Number CN2023098389
Publication Number 2024/183177
Status In Force
Filing Date 2023-06-05
Publication Date 2024-09-12
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor
  • Tang, Yuling
  • Eom, Yoonjoo
  • Zhang, Xueyan

Abstract

A control circuit (200) and a memory (300). The control circuit (200) comprises a reset signal generation circuit (220) and a test mode circuit (230). The reset signal generation circuit (220) is used for receiving a control signal and a test mode entry signal, and generating and outputting a test mode reset signal according to the control signal and the test mode entry signal. The test mode circuit (230) is used for resetting and outputting a test mode signal according to the test mode reset signal, wherein the test mode signal indicates duty cycle adjustment of a clock signal.

IPC Classes  ?

  • G11C 11/406 - Management or control of the refreshing or charge-regeneration cycles

50.

Data transmission circuit, data transmission method and memory device

      
Application Number 17769934
Grant Number 12131797
Status In Force
Filing Date 2021-08-12
First Publication Date 2024-09-12
Grant Date 2024-10-29
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor Zhang, Liang

Abstract

A data transmission circuit, method and memory device are provided. A comparison circuit is configured to compare global data with bus data to output a comparison result on whether the number of different bits between the global data and the bus data exceeds a preset threshold; a correction circuit is configured to check and/or correct the global data to generate corrected data; a first data conversion circuit is configured to invert the corrected data and transmit the inverted corrected data to the data bus when exceeding the preset threshold, and transmit the corrected data to the data bus when not exceeding the preset threshold, and the first data conversion circuit is further configured to output a mark signal; and a recovery circuit is configured to transmit data or inverted data on the data bus to a serial-parallel conversion circuit according to a value of the mark signal.

IPC Classes  ?

  • G11C 7/10 - Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers

51.

MEMORY

      
Application Number CN2023097742
Publication Number 2024/183169
Status In Force
Filing Date 2023-06-01
Publication Date 2024-09-12
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor Wang, Jia

Abstract

A memory, comprising a compression circuit and a data input/output selector. An input end of the compression circuit receives read data transmitted by means of transmission paths of a plurality of data input/output pins, and respectively compresses the read data transmitted by means of the transmission paths of the data input/output pins to obtain a plurality of pieces of compressed data. A first input end of the data input/output selector is connected to an output end of the compression circuit to receive the plurality of pieces of compressed data, and the data input/output selector is used for transmitting the plurality of pieces of compressed data to a target data input/output pin in a test mode, wherein the target data input/output pin is any one of the plurality of data input/output pins.

IPC Classes  ?

52.

MEMORY

      
Application Number CN2023097747
Publication Number 2024/183170
Status In Force
Filing Date 2023-06-01
Publication Date 2024-09-12
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor Wang, Jia

Abstract

Disclosed is a memory, comprising: a first input end of a data input/output selector receiving serial data received by means of a target data input/output pin, wherein the data input/output selector is used for respectively transmitting, in a test mode and to a transmission path corresponding to each data input/output pin in the memory, each bit of data in the serial data, which is received by means of the target data input/output pin, and the target data input/output pin is any one of a plurality of data input/output pins in the memory.

IPC Classes  ?

53.

MEMORY STRUCTURE AND PREPARATION METHOD THEREFOR

      
Application Number CN2023095190
Publication Number 2024/178851
Status In Force
Filing Date 2023-05-19
Publication Date 2024-09-06
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor
  • Xiao, Cong Brandie
  • Bai, Shijie

Abstract

The present disclosure relates to a memory structure and a preparation method therefor. The preparation method for the memory structure comprises: providing a substrate, wherein the substrate comprises a base substrate, a first dielectric layer and a first substrate layer, and the first dielectric layer is located between the base substrate and the first substrate layer; forming a first circuit structure on the basis of the first substrate layer; flipping over the substrate, so that the first dielectric layer is located above the first circuit structure; and forming a second circuit structure above the first dielectric layer, and forming a conductive structure connecting the first circuit structure and the second circuit structure.

IPC Classes  ?

  • H10B 12/00 - Dynamic random access memory [DRAM] devices

54.

SEMICONDUCTOR STRUCTURE AND FORMING METHOD THEREFOR

      
Application Number CN2023131405
Publication Number 2024/179042
Status In Force
Filing Date 2023-11-14
Publication Date 2024-09-06
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor
  • Xiao, Deyuan
  • Feng, Daohuan
  • Jiang, Yi
  • Liu, Xiang
  • Han, Qinghua
  • Jeon, Jong Sung

Abstract

The present disclosure relates to a semiconductor structure and a forming method therefor. The semiconductor structure comprises: an active pillar group, a word line group, and a bit line. The active pillar group comprises a first active pillar and a second active pillar; the first active pillar comprises a first inner surface and a first outer surface; and the second active pillar comprises a second inner surface and a second outer surface. The word line group comprises a first word line and a second word line; the first word line is distributed around the first outer surface of the first active pillar; and the second word line is distributed around the second outer surface of the second active pillar. The bit line is electrically connected to the first active pillar and the second active pillar in the active pillar group.

IPC Classes  ?

  • H10B 12/00 - Dynamic random access memory [DRAM] devices

55.

TIMING SIGNAL GENERATOR, METHOD, AND MEMORY

      
Application Number CN2023110767
Publication Number 2024/178910
Status In Force
Filing Date 2023-08-02
Publication Date 2024-09-06
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor Chen, Han

Abstract

A timing signal generator (10), a method, and a memory. The timing signal generator (10) comprises: a delay chain module (11) configured to delay a first command signal to generate a first edge timestamp signal, and delay a second command signal to generate a second edge timestamp signal; and a signal generator (12) configured to generate and output a target pulse signal by means of the first edge timestamp signal and the second edge timestamp signal.

IPC Classes  ?

  • G06F 1/06 - Clock generators producing several clock signals

56.

SEMICONDUCTOR STRUCTURE AND MANUFACTURING METHOD THEREFOR

      
Application Number CN2023111029
Publication Number 2024/178913
Status In Force
Filing Date 2023-08-03
Publication Date 2024-09-06
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor
  • Liu, Xiang
  • Deng, Jiefang

Abstract

The present disclosure relates to a semiconductor structure and a manufacturing method therefor. The manufacturing method comprises: providing a temporary substrate (1), wherein the temporary substrate (1) has an array region (1A); in the array region (1A) of the temporary substrate (1), forming a plurality of first semiconductor pillars (21) arranged in rows in a first direction, wherein a first spacing (d1) is provided between adjacent first semiconductor pillars (21) in the first direction; forming a plurality of word lines (4) extending in the first direction and arranged at intervals, wherein the word lines (4) are formed on side walls of the corresponding first semiconductor pillars (21); forming a plurality of bit lines (7) extending in a second direction and arranged at intervals, wherein the bit lines (7) are formed on top faces of the corresponding first semiconductor pillars (21), and the first direction intersects the second direction; bonding the temporary substrate (1) to a bearing substrate (8); and grinding a back side of the temporary substrate (1) until the first semiconductor pillars (21) are exposed.

IPC Classes  ?

  • H10B 12/00 - Dynamic random access memory [DRAM] devices

57.

Manufacturing method of semiconductor structure and semiconductor structure with different functional regions

      
Application Number 17908298
Grant Number 12336165
Status In Force
Filing Date 2022-07-20
First Publication Date 2024-09-05
Grant Date 2025-06-17
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor Dou, Tao

Abstract

The disclosed semiconductor structure includes a window region, a transistor region, and a step region arranged in a first direction. The transistor region includes a word line region and a window region. The method making the semiconductor structure includes: forming active layers at intervals, forming dummy word line structures in the word line region and the step region covering the active layers at the same layer; forming a first isolation layer which a main body part and an interval part connected together, wherein the main body part is located in the window region, and the interval is located in the word line region and the step region between adjacent dummy word line structures; removing the active layers from the step region, removing the dummy word line structures; and forming a dielectric layer in the step region and the word line region. The embodiments improve the semiconductor structure's performance.

IPC Classes  ?

  • H10B 12/00 - Dynamic random access memory [DRAM] devices

58.

FUSE ARRAY CIRCUIT AND MEMORY

      
Application Number CN2023082095
Publication Number 2024/174309
Status In Force
Filing Date 2023-03-17
Publication Date 2024-08-29
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor Huang, Jinrong

Abstract

The present application relates to a fuse array circuit and a memory. The fuse array circuit comprises: column selection signal lines (10), programming voltage line groups (20), at least one first fuse unit (30), and at least one second fuse unit (40), wherein each programming voltage line group (20) comprises an even programming voltage line (21) and an odd programming voltage line (22); a first end of each first fuse unit (30) is connected to a column selection signal line (10), and a second end of the first fuse unit (30) is connected to an even programming voltage line (21); a first end of each second fuse unit (40) is connected to a column selection signal line (10), and a second end of the second fuse unit (40) is connected to an odd programming voltage line (22); and the first fuse unit (30) corresponds to the second fuse unit (40) on a one-to-one basis, the first fuse unit (30) and the corresponding second fuse unit (40) share the same column selection signal line (10), and the time at which a signal transmitted by the even programming voltage line (21) is at an active level is different from the time at which a signal transmitted by the odd programming voltage line (22) is at an active level.

IPC Classes  ?

  • G11C 17/16 - Read-only memories programmable only onceSemi-permanent stores, e.g. manually-replaceable information cards in which contents are determined by selectively establishing, breaking or modifying connecting links by permanently altering the state of coupling elements, e.g. PROM using electrically-fusible links
  • G11C 17/18 - Auxiliary circuits, e.g. for writing into memory

59.

SEMICONDUCTOR STRUCTURE AND MANUFACTURING METHOD THEREFOR

      
Application Number CN2023082423
Publication Number 2024/174311
Status In Force
Filing Date 2023-03-20
Publication Date 2024-08-29
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor Li, Xiaojie

Abstract

The present disclosure relates to a semiconductor structure and a preparation method therefor. The preparation method comprises: providing a substrate; forming a vertical stacking structure on the substrate, the vertical stacking structure comprising a transistor region, a bit line region and a capacitor region, the bit line region and the capacitor region being located at two opposite sides of the transistor region along a first direction, respectively, and spaced apart from the transistor region, and the vertical stacking structure comprising a patterned sacrificial layer and a patterned active layer which are alternately stacked; forming a first trench between the transistor region and the bit line region, and between the transistor region and the capacitor region, the vertical stacked structure of the first trench exposing the transistor region being perpendicular to a sidewall in the first direction; removing at least a portion of the patterned sacrificial layer of the transistor region along the first trench; and forming a word line structure, the word line structure extending in the vertical direction and being in contact with the patterned active layer of the transistor region.

IPC Classes  ?

  • H10B 12/00 - Dynamic random access memory [DRAM] devices

60.

REGISTER

      
Application Number CN2023094560
Publication Number 2024/174396
Status In Force
Filing Date 2023-05-16
Publication Date 2024-08-29
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor
  • Gu, Pengfei
  • Zhu, Xiaoqin

Abstract

A register, comprising a state latch circuit, an output circuit and a state transition circuit. The output circuit is connected to the state latch circuit; the state latch circuit latches, at an output end, a plurality of pieces of current state data of an input end under triggering of one clock pulse signal; the state transition circuit is connected to the state latch circuit; the state transition circuit performs a logic operation on a multi-bit current state output and then outputs multi-bit next state data; and the output circuit performs a logic operation on the multi-bit current state output and then outputs multi-bit output data.

IPC Classes  ?

  • G11C 19/28 - Digital stores in which the information is moved stepwise, e.g. shift registers using semiconductor elements
  • G06F 7/58 - Random or pseudo-random number generators

61.

ANTI-FUSE STRUCTURE AND PREPARATION METHOD THEREFOR

      
Application Number CN2023086536
Publication Number 2024/174353
Status In Force
Filing Date 2023-04-06
Publication Date 2024-08-29
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor Huang, Jinrong

Abstract

The present disclosure provides an anti-fuse structure and a preparation method therefor. The anti-fuse structure (100) comprises a bit line structure (10) and a gating structure (20) electrically connected to the bit line structure (10). The gating structure (20) comprises a variable resistance structure (21), a threshold gating structure (22) and a word line structure (23) which are stacked in sequence. The variable resistance structure (21) is adjacent to the bit line structure (10). The stacking direction of the variable resistance structure (21), the threshold gating structure (22) and the word line structure (23) intersects with the thickness direction of the bit line structure (10).

IPC Classes  ?

  • H01L 23/525 - Arrangements for conducting electric current within the device in operation from one component to another including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body with adaptable interconnections
  • H10B 12/00 - Dynamic random access memory [DRAM] devices

62.

ANTIFUSE STRUCTURE, PREPARATION METHOD THEREFOR, ANTIFUSE ARRAY STRUCTURE, AND MEMORY

      
Application Number CN2023086760
Publication Number 2024/174355
Status In Force
Filing Date 2023-04-07
Publication Date 2024-08-29
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor Huang, Jinrong

Abstract

The present disclosure relates to an antifuse structure, a preparation method therefor, an antifuse array structure, and a memory. The anti-fuse structure (100) comprises a bit line structure (10), word line structures (40), and a variable resistance structure (20) and a threshold gating structure (30) located between the bit line structure (10) and each word line structure (40). The variable resistance structures (20) are configured to change from a high resistance state to a low resistance state at a preset programming voltage. The threshold gating structures (30) are configured to be gated at a threshold voltage.

IPC Classes  ?

  • H01L 23/525 - Arrangements for conducting electric current within the device in operation from one component to another including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body with adaptable interconnections
  • H01L 21/768 - Applying interconnections to be used for carrying current between separate components within a device

63.

SEMICONDUCTOR STRUCTURE AND MANUFACTURING METHOD THEREFOR

      
Application Number CN2023093054
Publication Number 2024/174386
Status In Force
Filing Date 2023-05-09
Publication Date 2024-08-29
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor Ding, Rui

Abstract

Provided in the present disclosure are a semiconductor structure and a manufacturing method therefor. The manufacturing method comprises: forming a plurality of laminated structures, which are sequentially stacked, wherein a plurality of first electrodes, which are arranged at intervals, are formed in each laminated structure, and the plurality of first electrodes in two adjacent laminated structures correspond to and are in contact with each other; exposing at least part of the peripheral surface of each first electrode in each laminated structure; at least forming a dielectric layer on at least part of the surface of each first electrode; and forming a second electrode on the dielectric layer.

IPC Classes  ?

  • H10B 12/00 - Dynamic random access memory [DRAM] devices

64.

ANTI-FUSE DEVICE AND MANUFACTURING METHOD THEREFOR, AND ANTI-FUSE ARRAY AND OPERATION METHOD THEREFOR

      
Application Number CN2023094538
Publication Number 2024/174395
Status In Force
Filing Date 2023-05-16
Publication Date 2024-08-29
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor Ding, Li

Abstract

Provided in the present disclosure are an anti-fuse device and a manufacturing method therefor, and an anti-fuse array and an operation method therefor. The anti-fuse device comprises a first connecting end, a second connecting end and a dielectric layer. The first connecting end comprises a first doped region and a second doped region arranged below the first doped region, wherein the conduction type of the first doped region is opposite to the conduction type of the second doped region, and the first doped region and the second doped region are connected and form a PN junction. The second connecting end at least covers the second doped region. The dielectric layer is arranged between the second connecting end and the second doped region, and the second connecting end and the second doped region are spaced apart by means of the dielectric layer.

IPC Classes  ?

  • H01L 23/525 - Arrangements for conducting electric current within the device in operation from one component to another including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body with adaptable interconnections
  • H01L 21/768 - Applying interconnections to be used for carrying current between separate components within a device
  • H10B 20/20 - Programmable ROM [PROM] devices comprising field-effect components
  • H10B 20/25 - One-time programmable ROM [OTPROM] devices, e.g. using electrically-fusible links
  • G11C 17/16 - Read-only memories programmable only onceSemi-permanent stores, e.g. manually-replaceable information cards in which contents are determined by selectively establishing, breaking or modifying connecting links by permanently altering the state of coupling elements, e.g. PROM using electrically-fusible links

65.

SEMICONDUCTOR STRUCTURE AND FORMING METHOD THEREFOR, AND MEMORY

      
Application Number CN2023111147
Publication Number 2024/174473
Status In Force
Filing Date 2023-08-04
Publication Date 2024-08-29
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor
  • Zhou, Ying
  • Tang, Yi

Abstract

A semiconductor structure and a forming method therefor, and a memory. The forming method comprises: forming a first barrier layer (21), a second barrier layer (22) and a third barrier layer (23), wherein the thickness of the first barrier layer (21) is greater than the thickness of the second barrier layer (22) and the thickness of the third barrier layer (23), the first barrier layer (21) covers a channel region (12), part of a first doped region (11) and part of a second doped region (13), the second barrier layer (22) covers the first doped region (11), and the third barrier layer (23) covers the second doped region (13); forming a first doped layer (3) on a side wall of the first barrier layer (21), the surface of the second barrier layer (22) and the surface of the third barrier layer (23); forming a second doped layer (4) on the first doped layer (3), wherein the concentration of target ions in the second doped layer (4) is greater than the concentration of target ions in the first doped layer (3); and performing thermal annealing on the first doped layer (3) and the second doped layer (4).

IPC Classes  ?

  • H01L 29/06 - Semiconductor bodies characterised by the shapes, relative sizes, or dispositions of the semiconductor regions
  • H10B 12/00 - Dynamic random access memory [DRAM] devices
  • H01L 29/08 - Semiconductor bodies characterised by the shapes, relative sizes, or dispositions of the semiconductor regions with semiconductor regions connected to an electrode carrying current to be rectified, amplified, or switched and such electrode being part of a semiconductor device which comprises three or more electrodes

66.

SEMICONDUCTOR PACKAGING STRUCTURE AND FORMATION METHOD THEREOF

      
Application Number CN2023078924
Publication Number 2024/168948
Status In Force
Filing Date 2023-03-01
Publication Date 2024-08-22
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor Ji, Hongkai

Abstract

The present disclosure relates to a semiconductor packaging structure and a formation method thereof. The semiconductor packaging structure comprises: a packaging substrate; an adapter plate located on and electrically connected to the packaging substrate; a control chip, located on a first plane of the adapter plate; a chip stacking structure, located on the first plane of the adapter plate and comprising: a first semiconductor chip connected to the adapter plate; and a second semiconductor chip stacking structure located on the first semiconductor chip and comprising a plurality of second semiconductor chips successively stacked along a first direction, the first direction being parallel to the first plane of the adapter plate; and the second semiconductor chips being connected via a bonding layer.

IPC Classes  ?

  • H01L 23/31 - Encapsulation, e.g. encapsulating layers, coatings characterised by the arrangement
  • H01L 25/18 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices the devices being of types provided for in two or more different main groups of the same subclass of , , , , or

67.

READ/WRITE CIRCUIT AND MEMORY

      
Application Number CN2023079629
Publication Number 2024/168957
Status In Force
Filing Date 2023-03-03
Publication Date 2024-08-22
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor Wang, Jia

Abstract

The embodiments of the present disclosure provide a read/write circuit and a memory. The read/write circuit comprises: a write drive circuit used, according to a write control signal, for writing data to be written into a global data line; a read/write conversion circuit used, according to a write enable signal, for writing the data on the global data line to a local data line and to a complementary local data line, and additionally being used, according to a read enable signal, for reading, to the global data line and to a complementary global data line, the data on the local data line and on the complementary local data line; and a read drive circuit, used for amplifying the data on the global data line and on the complementary global data line, and for generating target read-out data.

IPC Classes  ?

  • G11C 7/10 - Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers

68.

SEMICONDUCTOR STRUCTURE AND MANUFACTURING METHOD THEREFOR

      
Application Number CN2023097832
Publication Number 2024/169082
Status In Force
Filing Date 2023-06-01
Publication Date 2024-08-22
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor
  • Wu, Runping
  • Chen, Meihui
  • Zhu, Lei

Abstract

Disclosed are a semiconductor structure and a manufacturing method therefor. The semiconductor structure comprises: a first insulating layer, a dummy active region and a second insulating layer which are located in the first insulating layer, a first sub-trench located in the dummy active region, a second sub-trench located in the second insulating layer, and a transistor comprising a channel material layer, a gate dielectric layer, and a gate conductive layer; the bottom surface of the first sub-trench is higher than the bottom surface of the second sub-trench; the channel material layer conformally covers the first sub-trench, the top surface of the dummy active region, and the sidewall of the dummy active region exposed by the second sub-trench; the channel material layer located on the sidewall of the dummy active region exposed by the second sub-trench is covered by the gate dielectric layer and the gate conductive layer.

IPC Classes  ?

  • H01L 21/768 - Applying interconnections to be used for carrying current between separate components within a device
  • H01L 23/528 - Layout of the interconnection structure

69.

REFRESH CONTROL CIRCUIT AND MEMORY

      
Application Number CN2023098577
Publication Number 2024/169086
Status In Force
Filing Date 2023-06-06
Publication Date 2024-08-22
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor Gu, Yinchuan

Abstract

Disclosed in the embodiments of the present disclosure are a refresh control circuit and a memory. The refresh control circuit comprises a flag signal generation module, an address sampling module and an execution module, wherein the flag signal generation module is configured to generate n refresh flag signals according to continuously received refresh commands; the address sampling module is configured to receive the n refresh flag signals, and sequentially select and output, in response to the n refresh flag signals, n hammer row addresses which are enabled for the maximum number of times; and the execution module is configured to sequentially receive the n hammer row addresses, and sequentially execute a refresh operation on adjacent victim row addresses of the n hammer row addresses.

IPC Classes  ?

  • G11C 11/406 - Management or control of the refreshing or charge-regeneration cycles
  • G11C 11/408 - Address circuits

70.

REFRESH CIRCUIT AND MEMORY

      
Application Number CN2023098638
Publication Number 2024/169087
Status In Force
Filing Date 2023-06-06
Publication Date 2024-08-22
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor Gu, Yinchuan

Abstract

Disclosed in the embodiments of the present disclosure are a refresh circuit and a memory. The refresh circuit comprises: a refresh command detection module, which is configured to receive refresh commands, count the refresh commands to generate a count value, and generate n address selection signals according to the count value, n being a positive integer; a victim row address output module, which is configured to receive the address selection signals, and sequentially select and output all or some of 2n victim row addresses associated with a hammer row address; and an execution module, which is configured to execute a refresh operation on the 2n victim row addresses during execution of the current refresh command.

IPC Classes  ?

  • G11C 11/406 - Management or control of the refreshing or charge-regeneration cycles

71.

PROGRAMMABLE NON-VOLATILE MEMORY AND OPERATION METHOD

      
Application Number CN2023094840
Publication Number 2024/169067
Status In Force
Filing Date 2023-05-17
Publication Date 2024-08-22
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor
  • Hu, Jialun
  • Eom, Yoonjoo

Abstract

The embodiments of the present disclosure provide a programmable non-volatile memory and an operation method. The memory comprises: a plurality of protection transistors and a voltage conversion circuit, each protection transistor having a first end connected to a bit line, and a second end and a gate each connected to a power supply node; the voltage conversion circuit is connected to a first node and a second node, and is configured for: receiving an input signal; during a programming operation, operating in response to the input signal so as to conduct a transmission path between the power supply node and the first node; and during a read operation, operating in response to the input signal so as to conduct a transmission path between the power supply node and the second node; wherein the input signal has a different electrical level during the programming operation and during the read operation, and a second voltage and a first voltage satisfy: 0

IPC Classes  ?

  • G11C 16/26 - Sensing or reading circuitsData output circuits

72.

PACKAGING SUBSTRATE, AND SEMICONDUCTOR STRUCTURE AND ELECTRONIC DEVICE HAVING SAME

      
Application Number CN2023097861
Publication Number 2024/169083
Status In Force
Filing Date 2023-06-01
Publication Date 2024-08-22
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor Liu, Jianbin

Abstract

Provided in the embodiments of the present disclosure are a packaging substrate, and a semiconductor structure and an electronic device having same. The packaging substrate comprises a first packaging layer and a second packaging layer which are parallel in a third direction, wherein the second packaging layer is grounded. The first packaging layer comprises a plurality of pads, wherein the projection of each pad on the second packaging layer forms one coupling area, part of the coupling area being hollowed out.

IPC Classes  ?

  • H01L 23/498 - Leads on insulating substrates
  • H05K 1/11 - Printed elements for providing electric connections to or between printed circuits

73.

SEMICONDUCTOR STRUCTURE MANUFACTURING METHOD, AND SEMICONDUCTOR STRUCTURE

      
Application Number CN2023098831
Publication Number 2024/169088
Status In Force
Filing Date 2023-06-07
Publication Date 2024-08-22
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor
  • Chen, Rui
  • Wang, Jinghao

Abstract

Disclosed are a semiconductor structure manufacturing method, and a semiconductor structure. During the manufacture of a semiconductor structure, bit line structures are formed in multiple independently-arranged active regions, and a first groove portion and a second groove portion are formed between the bit line structures. A first width of the first groove portion is greater than a second width of the second groove portion. The second groove portion is located over the first groove portion and is connected to the first groove portion. The first groove portion and the second groove portion are filled to form a storage node contact structure.

IPC Classes  ?

  • H10B 12/00 - Dynamic random access memory [DRAM] devices

74.

TRANSISTOR AND FABRICATION METHOD THEREFOR

      
Application Number CN2023110864
Publication Number 2024/169134
Status In Force
Filing Date 2023-08-02
Publication Date 2024-08-22
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor Cho, Gyuseog

Abstract

The present disclosure provides a transistor and a fabrication method therefor. A substrate of the transistor is provided with a first recess. A first source-drain area and a second source-drain area are located on two sides of the first recess, respectively, and the distance between the first source-drain area and the first recess is smaller. A first portion of a gate is located in the first recess, and a second portion is located on the first portion. The center line of the second portion and the second source-drain area are located on the same side of the center line of the first portion. A gate dielectric layer is arranged between the gate and an active area.

IPC Classes  ?

  • H01L 29/78 - Field-effect transistors with field effect produced by an insulated gate

75.

SEMICONDUCTOR STRUCTURE AND FABRICATION METHOD THEREOF

      
Application Number 17883565
Status Pending
Filing Date 2022-02-25
First Publication Date 2024-08-15
Owner
  • CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
  • BEIJING SUPERSTRING ACADEMY OF MEMORY TECHNOLOGY (China)
Inventor
  • Shao, Guangsu
  • Xiao, Deyuan
  • Qiu, Yunsong

Abstract

Embodiments provide a semiconductor structure and a fabrication method thereof, which relate to the field of semiconductor technology. The method for fabricating a semiconductor structure includes: providing a substrate; forming a plurality of active pillars arranged in an array in the substrate; and forming a gate arranged around each of the active pillars, where a projection of the gate on the active pillar covers a channel region of the active pillar. Along a direction perpendicular to the substrate, the gate includes a first conductive layer and a second conductive layer sequentially arranged in a stack, and a work function of the first conductive layer is different from a work function of the second conductive layer.

IPC Classes  ?

  • H01L 29/423 - Electrodes characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
  • H01L 29/06 - Semiconductor bodies characterised by the shapes, relative sizes, or dispositions of the semiconductor regions
  • H01L 29/49 - Metal-insulator semiconductor electrodes
  • H01L 29/66 - Types of semiconductor device
  • H01L 29/775 - Field-effect transistors with one-dimensional charge carrier gas channel, e.g. quantum wire FET
  • H01L 29/786 - Thin-film transistors
  • H10B 12/00 - Dynamic random access memory [DRAM] devices

76.

SEMICONDUCTOR STRUCTURE AND FORMING METHOD THEREFOR

      
Application Number CN2023094875
Publication Number 2024/164452
Status In Force
Filing Date 2023-05-17
Publication Date 2024-08-15
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor Li, Debin

Abstract

Embodiments of the present disclosure provide a semiconductor structure and a forming method therefor. The method comprises: providing a substrate comprising an active region, wherein the active region comprises a first protruding portion, a main body portion and a second protruding portion; forming, on the surface of the active region, first side wall layers located on the side wall of a gate structure, wherein an opening is formed between the first side wall layers, and the opening at least exposes part of the first protruding portion and part of the second protruding portion; and performing first ion implantation on the exposed first protruding portion and the exposed second protruding portion by using first ions.

IPC Classes  ?

  • H01L 29/06 - Semiconductor bodies characterised by the shapes, relative sizes, or dispositions of the semiconductor regions
  • H01L 29/08 - Semiconductor bodies characterised by the shapes, relative sizes, or dispositions of the semiconductor regions with semiconductor regions connected to an electrode carrying current to be rectified, amplified, or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
  • H01L 29/417 - Electrodes characterised by their shape, relative sizes or dispositions carrying the current to be rectified, amplified or switched
  • H01L 29/423 - Electrodes characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
  • H01L 21/336 - Field-effect transistors with an insulated gate
  • H01L 29/78 - Field-effect transistors with field effect produced by an insulated gate
  • H01L 21/265 - Bombardment with wave or particle radiation with high-energy radiation producing ion implantation

77.

CONTROL CIRCUIT AND MEMORY

      
Application Number CN2023097763
Publication Number 2024/164463
Status In Force
Filing Date 2023-06-01
Publication Date 2024-08-15
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor Shao, Yanian

Abstract

The embodiments of the present disclosure provide a control circuit and a memory. The control circuit can comprise: a command adjustment module, used for performing pulse width adjustment on a write command signal according to a first clock signal, obtaining a first output signal; a signal sampling module, used for sampling the first output signal according to the first clock signal, obtaining a second output signal; and a delay shift module, used for performing first delay processing on the second output signal, generating a first intermediate signal, and, according to the second clock signal, performing sampling and shift processing on the first intermediate signal, obtaining a third output signal; wherein a time interval between a falling edge of the first intermediate signal and a rising edge of the second clock signal satisfies a preset margin.

IPC Classes  ?

  • G11C 11/4063 - Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing

78.

REPAIR CIRCUIT AND METHOD, MEMORY AND ELECTRONIC DEVICE

      
Application Number CN2023098303
Publication Number 2024/164466
Status In Force
Filing Date 2023-06-05
Publication Date 2024-08-15
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor
  • Hu, Jialun
  • Lee, Seolhee

Abstract

A repair circuit and method, a memory and an electronic device. The repair circuit and method are applied to a memory comprising a plurality of storage blocks; each storage block has its own candidate repair code, the candidate repair code indicating that redundant rows in the storage block are all occupied, or an unoccupied redundant row having the highest priority in the storage block. The method comprises: when there is an invalid row in the memory, selecting and outputting a target repair code from amongst the multiple candidate repair codes; and using the target repair code to perform redundancy repair processing on the invalid row.

IPC Classes  ?

  • G11C 29/00 - Checking stores for correct operationTesting stores during standby or offline operation

79.

ANTIFUSE STRUCTURE, FORMING METHOD THEREFOR AND ANTIFUSE ARRAY

      
Application Number CN2023111150
Publication Number 2024/164507
Status In Force
Filing Date 2023-08-04
Publication Date 2024-08-15
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor Ding, Li

Abstract

An antifuse structure (500), a forming method therefor and an antifuse array. The antifuse structure (500) comprises a substrate (1), two dielectric layers (3, 4) and two electrical connection ends (2, 5). The substrate (1) comprises a first doped region (11) and a second doped region (12) which abut on each other in a first direction (x), the second doped region (12) having a first surface (121) and a second surface (122), the first surface (121) extending in the first direction (x), and the second surface (122) abutting on the side of the first surface (121) away from the first doped region (11); a first electrical connection end (2) is connected to the first doped region (11); a first dielectric layer (3) is located on the first surface (121) of the second doped region (12); a second dielectric layer (4) is located on the second surface (122) of the second doped region (12); and a second electrical connection end (5) covers the surfaces of the first dielectric layer (3) and the second dielectric layer (4), and is insulated from the first electrical connection end (2).

IPC Classes  ?

  • H01L 23/525 - Arrangements for conducting electric current within the device in operation from one component to another including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body with adaptable interconnections

80.

MANUFACTURING METHOD FOR SEMICONDUCTOR STRUCTURE

      
Application Number CN2023077350
Publication Number 2024/164363
Status In Force
Filing Date 2023-02-21
Publication Date 2024-08-15
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor
  • Mei, Xiaobo
  • Shi, Xu

Abstract

Disclosed is a manufacturing method for a semiconductor structure. The method comprises: providing a substrate; forming in the substrate a plurality of parallel first grooves; then cleaning and drying the plurality of first grooves, and performing first filling on the first grooves by using an insulating material; then forming in the substrate a plurality of second grooves parallel to the first grooves; and cleaning and drying the plurality of second grooves, and then performing second filling on the second grooves by using the insulating material, wherein at least one second groove is located between two adjacent first grooves.

IPC Classes  ?

81.

SEMICONDUCTOR PACKAGE STRUCTURE AND MANUFACTURING METHOD

      
Application Number CN2023097780
Publication Number 2024/164464
Status In Force
Filing Date 2023-06-01
Publication Date 2024-08-15
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor
  • Chang, Heng-Chia
  • Guo, Qiling

Abstract

Disclosed are a semiconductor package structure and a manufacturing method. At least one vortex tube structure is arranged in the semiconductor package structure. The vortex tube structure is used for separating compressed gas into high-temperature gas and low-temperature gas, and separately releasing the high-temperature gas and the low-temperature gas to the outside of the semiconductor package structure. Part of heat of the semiconductor package structure is taken away by means of flowing of the low-temperature gas.

IPC Classes  ?

  • H01L 23/467 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing gases, e.g. air
  • H01L 21/48 - Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the groups or

82.

Method for forming semiconductor structure and a semiconductor

      
Application Number 17767574
Grant Number 12324148
Status In Force
Filing Date 2021-08-16
First Publication Date 2024-08-08
Grant Date 2025-06-03
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor Liu, Chih-Cheng

Abstract

The embodiments of the present application provide a semiconductor structure manufacturing method for forming a semiconductor structure. The method includes: forming a plurality of discrete transistor structures (102) on a substrate (101); forming a dielectric layer (111) covering the transistor structure (102); forming a plurality of metal lines (103) on the top surface of the dielectric layer (111); forming an opening (105) in the gap between two of the plurality of metal lines (103); the insulation layer (106) fills the opening (105), the dielectric constant of the insulating layer (106) is smaller than the dielectric constant of the dielectric layer, and therefore the insulating layer (106) reduces the parasitic capacitance between the metal lines (103) as well as the parasitic capacitance between the metal lines (103) and the transistor structure (102); this method discloses how to form plurality of metal lines in the chip array area, meanwhile keeping the parasitic capacitance between the formed metal lines and other conductive structures small.

IPC Classes  ?

  • H10B 12/00 - Dynamic random access memory [DRAM] devices
  • H01L 21/768 - Applying interconnections to be used for carrying current between separate components within a device
  • H01L 23/522 - Arrangements for conducting electric current within the device in operation from one component to another including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body

83.

An Apparatus and Method of Generating Chip Select Signals

      
Application Number 17796724
Status Pending
Filing Date 2022-06-01
First Publication Date 2024-08-08
Owner ChangXin Memory Technologies, Inc. (China)
Inventor Wu, Zengquan

Abstract

A method and apparatus for generating a chip select signal include: sampling an external control signal to obtain a first and a second sampling signals; inputting the first sampling signal into a first vector file to generate a power supply control signal; inputting the second sampling signal into a second vector file to generate a chip select control signal; generating a chip select signal based on the power supply control signal and the chip select control signal, which include a high potential, a low potential and a high resistance state, the high potential voltages of the power supply control signal and the chip select control signal are different, and the low potential voltages of the power supply control signal and the chip select control signal are different. The disclosure realizes four different potentials for the chip select signals by applying two vector files.

IPC Classes  ?

  • G06F 9/30 - Arrangements for executing machine instructions, e.g. instruction decode

84.

ADDRESS SELECTION CIRCUIT, ADDRESS SELECTION METHOD, REFRESH CONTROL CIRCUIT AND STORAGE SYSTEM

      
Application Number CN2023078994
Publication Number 2024/159573
Status In Force
Filing Date 2023-03-01
Publication Date 2024-08-08
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor Liu, Yong

Abstract

Disclosed are an address selection circuit, an address selection method, a refresh control circuit and a storage system. The address selection circuit comprises: multiple address register units, which are configured to store row addresses; a state register unit, which is configured to store and output an address state signal, each bit of the address state signal representing a valid state or an invalid state of a corresponding address register unit, the valid state indicating that a row address is stored in the address register unit, and the invalid state indicating that a row address is not stored in the address register unit; a shift signal generation circuit, which is used to generate a shift signal according to the address state signal; a shift selection circuit, which is used to select multiple address register units according to the shift signal, and make the row address stored in a selected address register unit a row hammer address.

IPC Classes  ?

85.

PACKAGE STRUCTURE AND MANUFACTURING METHOD THEREFOR

      
Application Number CN2023094318
Publication Number 2024/159653
Status In Force
Filing Date 2023-05-15
Publication Date 2024-08-08
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor Liu, Ying

Abstract

A package structure and a manufacturing method therefor. The method comprises: providing a first wafer (1), a first chip (2) and a plurality of chip stacks (3), wherein the first wafer (1) comprises a plurality of bearing areas (13); arranging the chip stacks (3) in the bearing areas (13); arranging the first chip (2) on the plurality of chip stacks (3); bonding the first wafer (1), the first chip (2) and the chip stacks (3); forming a package layer (7) to package the first wafer (1), the first chip (2) and the chip stacks (3), which are bonded together; and forming, on the side of the first wafer (1) that is away from the chip stacks (3), an external connection end (16) which is at least electrically connected to the chip stacks (3).

IPC Classes  ?

  • H01L 21/50 - Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the groups or
  • H01L 21/60 - Attaching leads or other conductive members, to be used for carrying current to or from the device in operation
  • H01L 21/56 - Encapsulations, e.g. encapsulating layers, coatings
  • H01L 25/18 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices the devices being of types provided for in two or more different main groups of the same subclass of , , , , or
  • H01L 25/065 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices all the devices being of a type provided for in a single subclass of subclasses , , , , or , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
  • H10B 80/00 - Assemblies of multiple devices comprising at least one memory device covered by this subclass
  • H01L 23/31 - Encapsulation, e.g. encapsulating layers, coatings characterised by the arrangement

86.

MEMORY LAYOUT

      
Application Number CN2023095115
Publication Number 2024/159659
Status In Force
Filing Date 2023-05-18
Publication Date 2024-08-08
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor
  • Gao, Yicheng
  • Cha, Jaeyong

Abstract

Disclosed is a memory layout. The memory layout comprises: a plurality of storage arrays (10), which are arranged in a preset direction; and a local amplifier (200), which is located between adjacent storage arrays (10), the local amplifier (200) being used for implementing data transmission between a local data line and a global data line, and the local amplifier (200) comprising a plurality of transistors (210), which are arranged in a direction perpendicular to the preset direction, wherein the plurality of transistors (210) have a common active region (211), the plurality of transistors (210) have respective corresponding gate structures (212), the plurality of gate structures (212) are located in the active region (211) and are arranged at intervals in the direction perpendicular to the preset direction, and the gate structures (212) extend in the preset direction. The local amplifier (200) further comprises a plurality of conductive plugs (213), which are located in the active region (211) and spaced apart from the gate structures (212), wherein the conductive plugs (213) extend in the preset direction.

IPC Classes  ?

  • G11C 5/02 - Disposition of storage elements, e.g. in the form of a matrix array

87.

SEMICONDUCTOR STRUCTURE AND MEMORY

      
Application Number CN2023097827
Publication Number 2024/159677
Status In Force
Filing Date 2023-06-01
Publication Date 2024-08-08
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor
  • Ba, Hangtian
  • Cha, Jaeyong

Abstract

Disclosed are a semiconductor structure and a memory. The semiconductor structure comprises: a conductive layer, which comprises at least two groups of word lines, wherein each group of word lines comprises first-type word lines and second-type word lines, which extend in a first direction, and the first-type word lines and the second-type word lines are alternately arranged in a second direction; and a device layer, which at least comprises two drive units, wherein each drive unit drives one first-type word line and one second-type word line, which are adjacent to each other in one group of word lines. Each drive unit comprises a first drive structure and a second drive structure, wherein the first drive structure comprises a first PMOS transistor, a first NMOS transistor and a second NMOS transistor; the second drive structure comprises a second PMOS transistor, a third NMOS transistor and a fourth NMOS transistor; the first PMOS transistor, the first NMOS transistor and the second NMOS transistor are connected to the first-type word lines; and the second PMOS transistor, the third NMOS transistor and the fourth NMOS transistor are connected to the second-type word lines.

IPC Classes  ?

88.

Data transmission circuit and memory device

      
Application Number 17796745
Grant Number 12283339
Status In Force
Filing Date 2022-04-18
First Publication Date 2024-08-08
Grant Date 2025-04-22
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor
  • Wu, Xianjun
  • Shang, Weibing
  • Shi, Xiaoqing

Abstract

The disclosed data transmission circuit and a memory include a sense amplifier circuit, a first sub-discharge path, a second sub-discharge path, and a discharge adjustment unit. The sense amplifier circuit generate amplified signals based on two terminals. The first sub-discharge path, in the read state, discharges at the first terminal to the discharge terminal based on the first data line signal; the second sub-discharge path, in reading state, discharges at the second terminal to the discharge terminal based on the discharge adjustment signa. The discharge adjustment unit is electrically connected to the second sub-discharge path and the control signal, but is not connected to the first sub-discharge path, and is used for generating the discharge adjustment signal based on the control signal, to adjust the discharge capacity of the second sub-discharge path. The present disclosure improves the anti-interference ability and data transmission efficiency of the data transmission circuit.

IPC Classes  ?

  • G11C 7/08 - Control thereof
  • G11C 7/10 - Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers

89.

ADDRESS SELECTION CIRCUIT, ADDRESS SELECTION METHOD, REFRESH CONTROL CIRCUIT, AND STORAGE SYSTEM

      
Application Number CN2023078386
Publication Number 2024/159564
Status In Force
Filing Date 2023-02-27
Publication Date 2024-08-08
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor Liu, Yong

Abstract

Disclosed are an address selection circuit, an address selection method, a refresh control circuit, and a storage system. The address selection circuit comprises: a comparison unit and a register unit; an input end of the comparison unit being connected to an output end of the register unit; and an output end of the comparison unit being connected to an input end of the register unit; the comparison unit being configured for comparing a first count value outputted by the register unit against a different first count value which has not yet been compared, and outputting the larger first count value to the register unit; and the register unit being configured for storing an initial first count value or the larger first count value outputted by the comparison unit; the first count value representing the number of times a row address has been accessed; and the register unit being further configured to output the largest count value of a plurality of first count values.

IPC Classes  ?

  • G11C 11/408 - Address circuits
  • G11C 11/406 - Management or control of the refreshing or charge-regeneration cycles

90.

ADDRESS SELECTION CIRCUIT, ADDRESS SELECTION METHOD, REFRESH CONTROL CIRCUIT, AND STORAGE SYSTEM

      
Application Number CN2023078392
Publication Number 2024/159565
Status In Force
Filing Date 2023-02-27
Publication Date 2024-08-08
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor Liu, Yong

Abstract

Disclosed are an address selection circuit, an address selection method, a refresh control circuit, and a storage system. The address selection circuit comprises: a comparator circuit, configured to output the maximum count value among a plurality of first count values by means of multiple rounds of comparison, wherein in each round of comparison, the comparator circuit compares one first count value stored by the comparator circuit with another first count value which is not compared, so as to replace the first count value stored by the comparator circuit with the larger first count value, and the first count value represents the number of times of access to a row address; and a row hammer address generation circuit, configured to select a row address corresponding to the larger first count value in each round of comparison to replace a row address stored by the row hammer address generation circuit, and after the last round of comparison, output the row address stored by the row hammer address generation circuit as a row hammer address.

IPC Classes  ?

  • G11C 11/408 - Address circuits
  • G11C 11/406 - Management or control of the refreshing or charge-regeneration cycles

91.

ADDRESS SELECTION CIRCUIT AND METHOD, REFRESH CONTROL CIRCUIT, AND STORAGE SYSTEM

      
Application Number CN2023078946
Publication Number 2024/159570
Status In Force
Filing Date 2023-03-01
Publication Date 2024-08-08
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor Liu, Yong

Abstract

Disclosed are an address selection circuit and method, a refresh control circuit, and a storage system. The address selection circuit comprises: a plurality of address register units; an address state signal generation circuit for outputting an address state signal, each bit of the address state signal indicating a valid or invalid state of a corresponding address register unit; and a row hammer address generation circuit for outputting a pointer, shifting the pointer according to the address state signal, and using, as a row hammer address, a row address stored in an address register unit to which the shifted pointer points. The address state signal generation circuit is further used for determining, according to the position to which the shifted pointer points, the sequence of the plurality of address register units corresponding to a plurality of bits of an address state signal outputted next time.

IPC Classes  ?

92.

ADDRESS SELECTION CIRCUIT, ADDRESS SELECTION METHOD, REFRESH CONTROL CIRCUIT, AND STORAGE SYSTEM

      
Application Number CN2023079010
Publication Number 2024/159574
Status In Force
Filing Date 2023-03-01
Publication Date 2024-08-08
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor Liu, Yong

Abstract

Disclosed are an address selection circuit, an address selection method, a refresh control circuit, and a storage system. The address selection circuit comprises: a page table, wherein each page table item comprises a row address, and a first count value for representing the number of times the row address is accessed; a second counting unit, which is configured to generate a second count value, wherein the second count value is used as an index value corresponding to one page table item; a comparison circuit, which is used for outputting the maximum count value among a plurality of first count values by means of multiple rounds of comparison; a row hammer address generation circuit, which is used for outputting, as a row hammer address, a row address corresponding to the maximum count value; and a row hammer index generation circuit, which is is used for outputting, as a row hammer index value, an index value corresponding to the maximum count value, wherein the row hammer index value is used for searching for a page table item corresponding to the maximum count value.

IPC Classes  ?

  • G11C 11/406 - Management or control of the refreshing or charge-regeneration cycles

93.

SEMICONDUCTOR STRUCTURE, SENSING AMPLIFICATION CIRCUIT, AND MEMORY

      
Application Number CN2023094586
Publication Number 2024/159655
Status In Force
Filing Date 2023-05-16
Publication Date 2024-08-08
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor
  • Ma, Mengru
  • Wang, Jianping

Abstract

A semiconductor structure comprises a substrate, wherein the substrate is provided with a plurality of transistor groups (T0) which are arranged in a first direction (X), and each transistor group (T0) comprises an active region (1). The active region (1) comprises a first drain region (D1), a first channel region (C1), a source region (S), a second channel region (C2) and a second drain region (D2) which are sequentially arranged in the first direction (X), wherein the first drain region (D1) comprises a first protruding region (D11), and the second drain region (D2) comprises a second protruding region (D21); the first protruding region (D11) and the second protruding region (D21) are both arranged in a manner of protruding away from the source region (S); the first protruding region (D11) and the second protruding region (D21), which are opposite each other, of adjacent transistor groups (T0) in the first direction (X) are arranged in a staggered manner in the first direction (X); and an isolation structure (5) is further provided between adjacent active regions (1), the first direction (X) being parallel to the substrate.

IPC Classes  ?

  • H01L 27/02 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
  • H01L 27/12 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being other than a semiconductor body, e.g. an insulating body

94.

MEMORY CIRCUIT AND MEMORY LAYOUT

      
Application Number CN2023095112
Publication Number 2024/159658
Status In Force
Filing Date 2023-05-18
Publication Date 2024-08-08
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor
  • Ba, Hangtian
  • Luo, Yifei

Abstract

Disclosed are a memory circuit and a memory layout. The memory layout comprises an amplifier module comprising a plurality of amplifier units. Each amplifier unit comprises a first transistor, a second transistor and a third transistor. Two first transistors constitute a first transistor group. A second transistor and a third transistor connected to a first transistor constitute a second transistor group. Second transistor groups are respectively arranged on two opposite sides of the first transistor group in a second direction. In the second direction, for the two first transistors of the first transistor group, one of the first transistors is connected to the second transistor and the third transistor in the second transistor group on the adjacent side, and the other first transistor is connected to the second transistor and the third transistor in the second transistor group on the adjacent other side.

IPC Classes  ?

  • G11C 5/02 - Disposition of storage elements, e.g. in the form of a matrix array

95.

STORAGE CIRCUIT AND MEMORY

      
Application Number CN2023098352
Publication Number 2024/159681
Status In Force
Filing Date 2023-06-05
Publication Date 2024-08-08
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor Chen, Han

Abstract

Disclosed are a storage circuit and a memory. The storage circuit comprises 2n word lines, at least one word line driver and 2n protection modules, wherein n is a positive integer. The at least one word line driver is correspondingly connected to first ends of the 2n word lines. Each protection module is correspondingly connected to a second end of one word line. Each word line driver is configured to receive and respond to a drive enable signal, so as to activate a corresponding word line. Each protection module is configured to receive a protection enable signal, and if the protection enable signal represents that the word line connected to the protection module is not activated, ground the second end of the word line.

IPC Classes  ?

  • G11C 7/00 - Arrangements for writing information into, or reading information out from, a digital store

96.

SEMICONDUCTOR STRUCTURE AND METHOD FOR FORMING SAME

      
Application Number CN2023095238
Publication Number 2024/156165
Status In Force
Filing Date 2023-05-19
Publication Date 2024-08-02
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor Li, Songyu

Abstract

The present disclosure relates to a semiconductor structure and a method for forming same. The semiconductor structure comprises a substrate, a strained layer and a filling layer, wherein the substrate comprises a first groove, an active region located below the first groove, and a protrusion which is connected to the active region and protrudes in a first direction from the active region, the protrusion being located in the first groove and protruding in the first direction from the bottom surface of the first groove; the strained layer covers at least the surface of the protrusion; and the filling layer fills the first groove and covers the strained layer, the filling layer is of a solid structure, and the lattice constant of the filling layer is different from that of the strained layer.

IPC Classes  ?

  • H01L 29/78 - Field-effect transistors with field effect produced by an insulated gate

97.

READ/WRITE SWITCHING CIRCUIT AND MEMORY

      
Application Number 18631228
Status Pending
Filing Date 2024-04-10
First Publication Date 2024-08-01
Owner CHANGXIN MEMORY TECHNOLOGIES, INC. (China)
Inventor Shang, Weibing

Abstract

A read/write switching circuit and a memory are provided. The read/write switching circuit includes: a first data line (Ldat) connected to a bit line (BL) through a column select module, a first complementary data line (Ldat#) connected to a complementary bit line through the column select module, a second data line (Gdat) and a second complementary data line (Gdat#), and further includes: a read/write switching module (101) configured to transmit data between the first data line and the second data line and transmit data between the first complementary data line (Ldat#) and the second complementary data line (Gdat#)during read and write operations in response to read and write control signals; and an amplification module (102) connected between the first data line (Ldat) and the first complementary data line (Ldat#) and configured to amplify data of the first data line (Ldat) and data of the first complementary data line (Ldat#).

IPC Classes  ?

  • G06F 3/06 - Digital input from, or digital output to, record carriers
  • G11C 7/10 - Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
  • G11C 7/22 - Read-write [R-W] timing or clocking circuitsRead-write [R-W] control signal generators or management
  • G11C 11/409 - Read-write [R-W] circuits
  • G11C 11/4091 - Sense or sense/refresh amplifiers, or associated sense circuitry, e.g. for coupled bit-line precharging, equalising or isolating
  • G11C 11/419 - Read-write [R-W] circuits
  • G11C 13/00 - Digital stores characterised by the use of storage elements not covered by groups , , or

98.

SEMICONDUCTOR STRUCTURE AND FORMING METHOD THEREFOR

      
Application Number CN2023080396
Publication Number 2024/152424
Status In Force
Filing Date 2023-03-09
Publication Date 2024-07-25
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor Guo, Shuai

Abstract

Disclosed are a semiconductor structure and a forming method therefor. The semiconductor structure comprises: a substrate, the top surface of the substrate being provided with a support structure and a capacitor hole; and a capacitor structure comprising a first electrode layer, a dielectric layer, a second electrode layer, and a filling layer, wherein the first electrode layer covers the inner wall of the capacitor hole, the filling layer covers the inner surface of the lower portion of the first electrode layer and fills the lower portion of the capacitor hole, the dielectric layer at least covers the surface of the first electrode layer, and the second electrode layer covers the surface of the dielectric layer.

IPC Classes  ?

99.

STORAGE CIRCUIT AND MEMORY

      
Application Number CN2023093817
Publication Number 2024/152476
Status In Force
Filing Date 2023-05-12
Publication Date 2024-07-25
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor Zhang, Liang

Abstract

Disclosed are a storage circuit and a memory. The storage circuit comprises: a plurality of sensing amplification modules and a plurality of delay adjustment modules. The delay adjustment modules are correspondingly connected to the sensing amplification modules, and each delay adjustment module is configured to adjust the delay amount of a turn-on signal in response to a delay enable signal and transmit the adjusted turn-on signal to the corresponding sensing amplification module. Each sensing amplification module is configured to be turned on for operation in response to the adjusted turn-on signal.

IPC Classes  ?

  • G11C 7/22 - Read-write [R-W] timing or clocking circuitsRead-write [R-W] control signal generators or management

100.

DELAY GENERATION CIRCUIT AND METHOD, AND MEMORY

      
Application Number CN2023094546
Publication Number 2024/152481
Status In Force
Filing Date 2023-05-16
Publication Date 2024-07-25
Owner CHANGXIN MEMORY TECHNOLOGIES , INC. (China)
Inventor
  • Shao, Yanian
  • Zhang, Zhiqiang

Abstract

The present disclosure provides a delay generation circuit and method, and a memory. The delay generation circuit comprises: a basic delay generation module, used for performing sampling and delay processing on a command signal according to a first clock signal to generate a first delay signal; an adjustable delay generation module, used for performing sampling processing on the first delay signal according to a first delay clock signal to obtain a second delay signal, and performing sampling processing on the first delay signal according to a second delay clock signal to obtain a third delay signal; and a selection module, used for performing signal selection on the second delay signal and the third delay signal according to a first mode signal and outputting a target delay signal.

IPC Classes  ?

  • H03K 5/135 - Arrangements having a single output and transforming input signals into pulses delivered at desired time intervals by the use of time reference signals, e.g. clock signals
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