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Class Information
Number: 257/330
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Field effect device > Having insulated electrode (e.g., mosfet, mos diode) > Short channel insulated gate field effect transistor > Gate controls vertical charge flow portion of channel (e.g., vmos device) > Gate electrode in groove
Description: Subject matter wherein the gate controlled vertical channel device has a groove located therein and a gate electrode located in the groove.










Sub-classes under this class:

Class Number Class Name Patents
257/332 Gate electrode self-aligned with groove 731
257/334 In integrated circuit structure 493
257/331 Plural gate electrodes or grid shaped gate electrode 1,088
257/333 With thick insulator to reduce gate capacitance in non-channel areas (e.g., thick oxide over source or drain region) 383


Patents under this class:

Patent Number Title Of Patent Date Issued
8710585 High voltage fast recovery trench diode Apr. 29, 2014
8710584 FET device having ultra-low on-resistance and low gate charge Apr. 29, 2014
8710583 Dual work function recessed access device and methods of forming Apr. 29, 2014
8710576 High density vertical structure nitride flash memory Apr. 29, 2014
8710569 Semiconductor device and manufacturing method thereof Apr. 29, 2014
8704297 Trench metal oxide semiconductor field effect transistor with multiple trenched source-body contacts for reducing gate charge Apr. 22, 2014
8704296 Trench junction field-effect transistor Apr. 22, 2014
8704295 Schottky and MOSFET+Schottky structures, devices, and methods Apr. 22, 2014
8704294 Semiconductor device having metal gate and manufacturing method thereof Apr. 22, 2014
8704291 Semiconductor device and method for fabricating the same Apr. 22, 2014
8703556 Method of making a FinFET device Apr. 22, 2014
8692321 Semiconductor device and method for forming the same Apr. 8, 2014
8692320 Recessed memory cell access devices and gate electrodes Apr. 8, 2014
8692319 Lateral trench MESFET Apr. 8, 2014
8692318 Trench MOS structure and method for making the same Apr. 8, 2014
8691635 Fabrication method of semiconductor device Apr. 8, 2014
8686495 Power semiconductor device Apr. 1, 2014
8686494 Recessed channel negative differential resistance-based memory cell Apr. 1, 2014
8686493 High density FET with integrated Schottky Apr. 1, 2014
8686492 Non-volatile FINFET memory device and manufacturing method thereof Apr. 1, 2014
8680613 Termination design for high voltage device Mar. 25, 2014
8680611 Field effect transistor and schottky diode structures Mar. 25, 2014
8680610 Trench MOSFET having floating dummy cells for avalanche improvement Mar. 25, 2014
8680609 Depletion mode semiconductor device with trench gate and manufacturing method thereof Mar. 25, 2014
8679919 Electronic device comprising a conductive structure and an insulating layer within a trench and a process of forming the same Mar. 25, 2014
8679909 Recessing and capping of gate structures with varying metal compositions Mar. 25, 2014
8674434 Impact ionization devices Mar. 18, 2014
8674420 Semiconductor devices including buried gate electrodes and methods of forming semiconductor devices including buried gate electrodes Mar. 18, 2014
8674414 Three-dimensional nonvolatile memory devices including interposed floating gates Mar. 18, 2014
8669612 Technique for forming the deep doped columns in superjunction Mar. 11, 2014
8669611 Apparatus and method for power MOS transistor Mar. 11, 2014
8664714 Power MOSFET Mar. 4, 2014
8664713 Integrated power device on a semiconductor substrate having an improved trench gate structure Mar. 4, 2014
8664707 Semiconductor device Mar. 4, 2014
8659078 Semiconductor device and method of manufacturing the same Feb. 25, 2014
8659077 Multi-layer work function metal replacement gate Feb. 25, 2014
8659076 Semiconductor device structures and related processes Feb. 25, 2014
8653592 Isolation structure, non-volatile memory having the same, and method of fabricating the same Feb. 18, 2014
8653588 Semiconductor device and electric power conversion system using the same Feb. 18, 2014
8653587 Trench MOSFET having a top side drain Feb. 18, 2014
8653583 Sensing FET integrated with a high-voltage transistor Feb. 18, 2014
8653575 Semiconductor device having vertical gate including active pillar Feb. 18, 2014
8653513 Semiconductor device with sidewall insulating layer Feb. 18, 2014
8648412 Trench power field effect transistor device and method Feb. 11, 2014
8647949 Structure and method of fabricating a transistor having a trench gate Feb. 11, 2014
8643103 Semiconductor device including gate contact region and protruding gate electrode Feb. 4, 2014
8643098 Method for fabricating semiconductor device with side contact Feb. 4, 2014
8643097 Trench-gate metal oxide semiconductor device and fabricating method thereof Feb. 4, 2014
8643096 Semiconductor device with buried bit line and method for fabricating the same Feb. 4, 2014
8643095 Semiconductor transistor device and method for manufacturing same Feb. 4, 2014











 
 
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