Abrégé

A semiconductor device comprises: a SiC epitaxial layer and a first recess. The SiC epitaxial layer has: a p-type well region; a heavily doped n-type region on a surface of the p-type well region; and a heavily doped p-type region below the heavily doped n-type region and within the p-type well region. The first recess is formed in the heavily doped p-type region and the heavily doped n-type region, wherein a depth of the first recess exceeds a depth of the heavily doped n-type region.

Classes IPC  ?

• H10D 30/66 - Transistors FET DMOS verticaux [VDMOS]
• H10D 12/01 - Fabrication ou traitement
• H10D 62/10 - Formes, dimensions relatives ou dispositions des régions des corps semi-conducteursFormes des corps semi-conducteurs
• H10D 62/832 - Corps semi-conducteurs, ou régions de ceux-ci, de dispositifs ayant des barrières de potentiel caractérisés par les matériaux étant des matériaux du groupe IV, p. ex. Si dopé B ou Ge non dopé étant des matériaux du groupe IV comprenant deux éléments ou plus, p. ex. SiGe
• H10D 64/23 - Électrodes transportant le courant à redresser, à amplifier, à faire osciller ou à commuter, p. ex. sources, drains, anodes ou cathodes

Abrégé

A biochip is configured for detecting biological materials in a solution and includes at least one detection unit, which includes a substrate, a first insulation layer disposed on the substrate, a semiconductor layer, a second insulation layer, a first metal layer, a second metal layer and a protection layer. The semiconductor layer is disposed on the first insulation layer and includes multiple reaction regions. The second insulation layer is disposed on the semiconductor layer and includes a first part, a second part surrounding the first part and a first opening. The first opening exposes the reaction regions. The first metal layer is disposed on the second part and includes source electrode, drain electrode, gate electrode and first wall structure. The protection layer includes a flat part defining a second opening, a first protruding part defining a third opening and a second protruding part defining a fourth opening.

Classes IPC  ?

• G01N 27/414 - Transistors à effet de champ sensibles aux ions ou chimiques, c.-à-d. ISFETS ou CHEMFETS
• H01L 29/66 - Types de dispositifs semi-conducteurs
• H01L 29/786 - Transistors à couche mince

Abrégé

A biochip includes a substrate, an insulating layer, a semiconductor layer, a dielectric layer, a metal layer, and a protective layer. The semiconductor layer is disposed on the insulating layer and has a reaction region. The dielectric layer is disposed on the semiconductor layer and has a first opening. The metal layer is disposed on the dielectric layer and includes a source, a drain, and a wall structure. The wall structure surrounds the first opening, the source, and the drain. The protective layer is disposed on the metal layer and has a flat part, a protruding part, a second opening, and a third opening. The flat part surrounds and defines the second opening. The protruding part is disposed corresponding to the wall structure, and the protruding part surrounds and defines the third opening. The second opening connects the third opening and the first opening to expose the reaction region.

Classes IPC  ?

• B01L 3/00 - Récipients ou ustensiles pour laboratoires, p. ex. verrerie de laboratoireCompte-gouttes

Abrégé

A semiconductor device comprises: a silicon carbide epitaxial layer. The silicon carbide epitaxial layer has: a p-type buried layer; and a junction field effect region in contact with the p-type buried layer in a gate region. The semiconductor device further comprises: a gate oxide layer on the silicon carbide epitaxial layer; a poly silicon layer on the gate oxide layer; an interlayer dielectric layer on the poly silicon layer; a first recess formed in the silicon carbide epitaxial layer by passing through the interlayer dielectric layer, the poly silicon layer and the gate oxide layer in a source region; and a second recess formed in the poly silicon layer in the gate region, wherein a bottom surface of the second recess is higher than a top surface of the gate oxide layer.

Classes IPC  ?

• H01L 29/06 - Corps semi-conducteurs caractérisés par les formes, les dimensions relatives, ou les dispositions des régions semi-conductrices
• H01L 29/16 - Corps semi-conducteurs caractérisés par les matériaux dont ils sont constitués comprenant, mis à part les matériaux de dopage ou autres impuretés, seulement des éléments du groupe IV de la classification périodique, sous forme non combinée
• H01L 29/66 - Types de dispositifs semi-conducteurs
• H01L 29/78 - Transistors à effet de champ l'effet de champ étant produit par une porte isolée

Abrégé

A semiconductor device comprises: a SiC epitaxial layer and a first recess. The SiC epitaxial layer has: a p-type well region; a heavily doped n-type region on a surface of the p-type well region; and a heavily doped p-type region below the heavily doped n-type region and within the p-type well region. The first recess is formed in the heavily doped p-type region and the heavily doped n-type region, wherein a depth of the first recess exceeds a depth of the heavily doped n-type region.

Classes IPC  ?

• H10D 12/01 - Fabrication ou traitement
• H10D 30/66 - Transistors FET DMOS verticaux [VDMOS]
• H10D 62/832 - Corps semi-conducteurs, ou régions de ceux-ci, de dispositifs ayant des barrières de potentiel caractérisés par les matériaux étant des matériaux du groupe IV, p. ex. Si dopé B ou Ge non dopé étant des matériaux du groupe IV comprenant deux éléments ou plus, p. ex. SiGe
• H10D 64/23 - Électrodes transportant le courant à redresser, à amplifier, à faire osciller ou à commuter, p. ex. sources, drains, anodes ou cathodes
• H10D 62/10 - Formes, dimensions relatives ou dispositions des régions des corps semi-conducteursFormes des corps semi-conducteurs

Abrégé

A structure for suppressing current leakage and a semiconductor device including the same are provided. The structure for suppressing current leakage includes a substrate of a first conductivity type, a well region of the first conductivity type, an isolation structure and a PN junction diode. The well region is disposed in the substrate. The isolation structure is disposed on the well region. The PN junction diode is disposed on the isolation structure and configured to suppress current leakage of the semiconductor device.

Classes IPC  ?

• H01L 29/00 - DISPOSITIFS À SEMI-CONDUCTEURS NON COUVERTS PAR LA CLASSE - Détails des corps semi-conducteurs ou de leurs électrodes
• H01L 29/06 - Corps semi-conducteurs caractérisés par les formes, les dimensions relatives, ou les dispositions des régions semi-conductrices
• H01L 29/861 - Diodes
• H01L 29/40 - Electrodes

Abrégé

A submount for a light emitting diode and a method for fabricating the same are provided. The method includes the following steps: (a) providing a silicon substrate; (b) forming a mask layer on the silicon substrate to expose a part of the silicon substrate; (c) forming a first silicon oxide layer in the part of the silicon substrate which is exposed; and (d) removing the mask layer and the first silicon oxide layer, so as to form a recess in the silicon substrate.

Classes IPC  ?

• H01L 21/00 - Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de dispositifs à semi-conducteurs ou de dispositifs à l'état solide, ou bien de leurs parties constitutives
• H01L 21/311 - Gravure des couches isolantes
• C23F 1/00 - Décapage de matériaux métalliques par des moyens chimiques
• B29D 11/00 - Fabrication d'éléments optiques, p. ex. lentilles ou prismes
• B23P 15/00 - Fabrication d'objets déterminés par des opérations non couvertes par une seule autre sous-classe ou un groupe de la présente sous-classe
• C25F 3/00 - Attaque de surface ou polissage électrolytique

Abrégé

A reduced surface field (RESURF) structure and a lateral diffused metal oxide semiconductor (LDMOS) device including the same are provided. The RESURF structure includes a substrate of a first conductivity type, a deep well region of a second conductivity type, an isolation structure, at least one trench insulating structure, and at least one doped region of the first conductivity type. The deep well region is disposed in the substrate. The isolation structure is disposed on the substrate. The trench insulating structure is disposed in the deep well region below the isolation structure. The doped region is disposed in the deep well region and surrounds a sidewall and a bottom of the trench insulating structure.

Classes IPC  ?

• H01L 29/78 - Transistors à effet de champ l'effet de champ étant produit par une porte isolée

Abrégé

A power LDMOS device including a substrate, source and drain regions, gates and trench insulating structures is provided. The substrate has a finger tip area, a finger body area and a palm area. The source regions are in the substrate in the finger body area and further extend to the finger tip area. The neighboring source regions in the finger tip area are connected. The outmost two source regions further extend to the palm area and are connected. The drain regions are in the substrate in the finger body area and further extend to the palm area. The neighboring drain regions in the palm area are connected. The source and drain regions are disposed alternately. A gate is disposed between the neighboring source and drain regions. The trench insulating structures are in the substrate in the palm area and respectively surround ends of the drain regions.

Classes IPC  ?

• H01L 29/06 - Corps semi-conducteurs caractérisés par les formes, les dimensions relatives, ou les dispositions des régions semi-conductrices
• H01L 29/78 - Transistors à effet de champ l'effet de champ étant produit par une porte isolée
• H01L 29/10 - Corps semi-conducteurs caractérisés par les formes, les dimensions relatives, ou les dispositions des régions semi-conductrices avec des régions semi-conductrices connectées à une électrode ne transportant pas le courant à redresser, amplifier ou commuter, cette électrode faisant partie d'un dispositif à semi-conducteur qui comporte trois électrodes ou plus
• H01L 29/423 - Electrodes caractérisées par leur forme, leurs dimensions relatives ou leur disposition relative ne transportant pas le courant à redresser, à amplifier ou à commuter