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Class Information
Number: 257/E29.126
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Semiconductors devices adapted for rectifying, amplifying, oscillating, or switching, capacitors, or resistors with at least one potential-jump barrier or surface barrier (epo) > Electrodes (epo) > Characterized by their shape, relative sizes or dispositions (epo) > Not carrying current to be rectified, amplified, or switched (epo) > Gate stack for field-effect devices (epo)
Description: This subclass is indented under subclass E29.123. This subclass is substantially the same in scope as ECLA classification H01L29/423D.










Sub-classes under this class:

Class Number Class Name Patents
257/E29.138 For charge coupled devices (epo) 129
257/E29.127 For field-effect transistors (epo) 294


Patents under this class:
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Patent Number Title Of Patent Date Issued
8692321 Semiconductor device and method for forming the same Apr. 8, 2014
8609522 Process for producing a conducting electrode Dec. 17, 2013
8581350 Field effect transistor and semiconductor device, and method for manufacturing same Nov. 12, 2013
8564072 Semiconductor device having a blocking structure and method of manufacturing the same Oct. 22, 2013
8546885 Metal gate electrode of a field effect transistor Oct. 1, 2013
8497511 Array substrate and display apparatus using the same Jul. 30, 2013
8450161 Method of fabricating a sealing structure for high-k metal gate May. 28, 2013
8415674 Semiconductor device and method of forming the same Apr. 9, 2013
8324681 Stacked non-volatile memory device and methods for fabricating the same Dec. 4, 2012
8258546 High-k metal gate device Sep. 4, 2012
8253187 Non-volatile semiconductor storage device and method of manufacturing the same Aug. 28, 2012
8193586 Sealing structure for high-K metal gate Jun. 5, 2012
7977735 Stacked non-volatile memory device and methods for fabricating the same Jul. 12, 2011
7902015 Array of nanoscopic MOSFET transistors and fabrication methods Mar. 8, 2011
7847352 Semiconductor device and method for manufacturing the same Dec. 7, 2010
7847367 Semiconductor devices having a gate electrode and methods of fabricating the same Dec. 7, 2010
7834358 Semiconductor LSI circuit and a method for fabricating the semiconductor LSI circuit Nov. 16, 2010
7709334 Stacked non-volatile memory device and methods for fabricating the same May. 4, 2010
7696038 Methods for fabricating flash memory devices Apr. 13, 2010
7683402 Semiconductor device and manufacturing method thereof Mar. 23, 2010
7642143 Method of fabricating thin film transistor having multilayer structure and active matrix display device including the thin film transistor Jan. 5, 2010
7592652 Electro-optical device Sep. 22, 2009
7579660 Semiconductor device and manufacturing method thereof Aug. 25, 2009
7411252 Substrate backgate for trigate FET Aug. 12, 2008
7344965 Method of etching dual pre-doped polysilicon gate stacks using carbon-containing gaseous additions Mar. 18, 2008
7297587 Composite gate structure in an integrated circuit Nov. 20, 2007
7176090 Method for making a semiconductor device that includes a metal gate electrode Feb. 13, 2007
7173280 Electro-optical device and manufacturing method thereof Feb. 6, 2007
6727559 Compound semiconductor device Apr. 27, 2004
6580108 Insulated gate bipolar transistor decreasing the gate resistance Jun. 17, 2003
6426521 Semiconductor device Jul. 30, 2002
5949106 FET input/output pad layout Sep. 7, 1999
5698900 Field effect transistor device with single layer integrated metal and retained semiconductor masking Dec. 16, 1997
5459343 Back gate FET microwave switch Oct. 17, 1995
5274255 Structure for providing high resolution modulation of voltage potential in the vicinity of a surface Dec. 28, 1993
5153695 Semiconductor gate-controlled high-power capability bipolar device Oct. 6, 1992
5034785 Planar vertical channel DMOS structure Jul. 23, 1991
5034792 Field-effect transistor Jul. 23, 1991
5001535 Static induction type thyristor Mar. 19, 1991
4984049 Static induction thyristor Jan. 8, 1991
4952990 Gate turn-off power semiconductor component Aug. 28, 1990
4935798 Static induction type thyristor Jun. 19, 1990
4914058 Grooved DMOS process with varying gate dielectric thickness Apr. 3, 1990
4879582 Field-effect transistor Nov. 7, 1989
4872044 Static induction type thyristor Oct. 3, 1989
4799095 Metal oxide semiconductor gated turn off thyristor Jan. 17, 1989
4772926 Insulated gate static induction type thyristor Sep. 20, 1988
4767722 Method for making planar vertical channel DMOS structures Aug. 30, 1988
4641167 Semiconductor optoelectro transducer Feb. 3, 1987
4608587 Semiconductor optoelectro transducer Aug. 26, 1986

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