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2021
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Invention
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Ball bearing cartridge for linear actuator. An exemplary data storage device includes an actuator... |
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2020
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Invention
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Multi-spindle and multi-actuator data storage devices. A hard disk drive includes an enclosure ho... |
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2019
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Invention
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Voice coil motor saturation detection. A method includes monitoring an amount of power of a power... |
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Invention
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Motor spin up with auxiliary power boost. An apparatus and associated method that contemplate a d... |
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2018
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Invention
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High rpm hard disk drive testing. A method for performing a flaw scan test on a hard disk drive i... |
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2017
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Invention
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Efficient energy recovery in disk drive during power loss. A back electromotive force of a rotati... |
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2016
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Invention
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Fluid pumping capillary seal for a fluid dynamic bearing. An apparatus is provided including a sh... |
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Invention
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Component configured to stiffen an electric motor assembly. An apparatus includes a first compone... |
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Invention
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Spindle force actuator. An apparatus includes a circuit, a code modulator, and an actuator. The c... |
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2015
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Invention
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Fluid dynamic bearing motors with different width pump seals and journal bearings. In certain emb... |
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Invention
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Linear and rotational adjustment systems. Systems and methods may include a motor and an output s... |
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Invention
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Positioning goniometry. An apparatus and associated method contemplating a goniometer stage havin... |
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2014
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Invention
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Fluid dynamic bearing motor including plastic. Provided herein, in some embodiments, is an appara... |
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Invention
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Fluid seal for a rotating assembly. A fluid seal for sealing a gap region for rolling elements ro... |
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Invention
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Spinstand with motor having fluid dynamic bearing. Provided herein is an apparatus, including a s... |
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Invention
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Compensating for voice coil motor and microactuator disturbance in a hard drive. In response to p... |
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Invention
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Folded fluid channel for a fluid dynamic bearing motor. An apparatus includes a stationary shaft ... |
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2013
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Invention
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Apparatus with repulsive force between stationary and rotatable components. Provided herein, is a... |
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Invention
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Fluid pumping capillary seal for a fluid dynamic bearing. An apparatus and method are provided fo... |
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Invention
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Electro-chemically machining with a motor part including an electrode. A method includes rotating... |
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Invention
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Motor including reservoir and hub cap. Provided herein is an apparatus, including a stationary co... |
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Invention
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Fluid dynamic bearing apparatus with specific minute gap structure with spindle motor and disk dr... |
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Invention
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Harmonic shaping of a motor. A device includes a magnet and a magnetizer. The magnetizer is opera... |
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Invention
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Torque disturbance cancellation for a motor. A circuit may be configured to adjust a correction s... |
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Invention
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Fluid dynamic bearing motor including plastic component. Provided herein is a motor including a p... |
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Invention
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Fluid bearing with non-uniform grooves. Provided herein is an apparatus, including a fluid dynami... |
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2011
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Invention
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Fluid dynamic bearing apparatus, spindle motor, and disk drive apparatus. In a fluid dynamic bear... |
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Invention
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Fluid dynamic bearing motor including molded plastic. A fluid dynamic bearing motor and method ar... |
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2010
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Invention
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Restraining motor shaft play. An apparatus and associated method characterized by an enclosure ha... |
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2009
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Invention
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Lubricated limiter for fluid dynamic bearing motor. A component for restricting relative movement... |
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Invention
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Microfabricated fluid dynamic bearing. A fluid dynamic bearing formed by a microelectromechanical... |
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Invention
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Fluid dynamic bearing apparatus arranged to discharge air bubbles generated therein and a spindle... |
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Invention
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Motor assembly method with an integrated flexible printed circuit. The present invention provides... |
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G/S
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Computer software for use in back-up of computer hard drive data, back-up of computer networks, d... |
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Invention
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Accurate and versatile back emf sensor. A filter representing a complex impedance of a motor syst... |
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Invention
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Closed loop calibration of back emf measurement. A voice coil motor (VCM) is controlled by applyi... |
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2008
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Invention
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Fluid pumping capillary seal for a fluid dynamic bearing. A motor includes a rotatable component ... |
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Invention
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Through-shaft fluid recirculation for a spindle motor. An apparatus and method are described for ... |
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Invention
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Lubricated limiter for fluid dynamic bearing motor. In one example, a FDB motor having a top-cove... |
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Invention
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Folded fluid channel for a fluid dynamic bearing. A system and method are provided for sealing a ... |
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Invention
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Stiffener tab for a spindle motor base plate. An apparatus and method are provided for stiffening... |
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Invention
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Dual tapered shaft for fdb motor. For motors having a journal with one or more groove regions and... |
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2007
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Invention
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Fluid dynamic bearing motor having molded plastic. A fluid dynamic bearing motor and method are d... |
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Invention
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Fluid dynamic bearing and pumping seal. A fluid dynamic bearing motor is provided having relative... |
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Invention
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Base dam in a data storage system to reduce or eliminate motor leakage. A base for a data storage... |
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2006
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Invention
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Motor stator with different winding volume for different stator teeth. A device includes a stator... |
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Invention
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Hermetic seal for a spindle motor of a disk drive. A hermetic seal is provided for sealing discre... |
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2005
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Invention
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Support structure with integral retainer tabs for use in spindle motor wire routing. A base plate... |
