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Class Information
Number: 257/E29.127
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) > For field-effect transistors (epo)
Description: This subclass is indented under subclass E29.126. This subclass is substantially the same in scope as ECLA classification H01L29/423D2.










Sub-classes under this class:

Class Number Class Name Patents
257/E29.128 With insulated gate (epo) 98


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8692294 Semiconductor devices with field plates Apr. 8, 2014
8637909 Mixed mode dual switch Jan. 28, 2014
8587037 Test structure to monitor the in-situ channel temperature of field effect transistors Nov. 19, 2013
8575621 Low interconnect resistance integrated switches Nov. 5, 2013
8569811 Self clamping FET devices in circuits using transient sources Oct. 29, 2013
8519916 Low interconnect resistance integrated switches Aug. 27, 2013
8421157 Semiconductor device Apr. 16, 2013
8338866 Microwave semiconductor device using compound semiconductor and method for manufacturing the same Dec. 25, 2012
8294238 Nonvolatile semiconductor memory device with reduced size of peripheral circuit area Oct. 23, 2012
8203185 Semiconductor devices having varying electrode widths to provide non-uniform gate pitches and related methods Jun. 19, 2012
8174051 III-nitride power device May. 8, 2012
8110471 Semiconductor device having a round-shaped nano-wire transistor channel and method of manufacturing same Feb. 7, 2012
8084793 Microwave semiconductor device using compound semiconductor and method for manufacturing the same Dec. 27, 2011
7973335 Field-effect transistor having group III nitride electrode structure Jul. 5, 2011
7956383 Field effect transistor Jun. 7, 2011
7952117 Field-effect transistor May. 31, 2011
7944017 Semiconductor device and manufacturing method of the same May. 17, 2011
7868376 Semiconductor storage device and method for manufacturing the same Jan. 11, 2011
7820503 Semiconductor device and manufacturing method of the same Oct. 26, 2010
7816218 Selective deposition of amorphous silicon films on metal gates Oct. 19, 2010
7683402 Semiconductor device and manufacturing method thereof Mar. 23, 2010
7655986 Systems and methods for reducing contact to gate shorts Feb. 2, 2010
7622804 Semiconductor device and method of manufacturing the same Nov. 24, 2009
7564096 Scalable power field effect transistor with improved heavy body structure and method of manufacture Jul. 21, 2009
7411252 Substrate backgate for trigate FET Aug. 12, 2008
7405455 Semiconductor constructions and transistor gates Jul. 29, 2008
7285833 Selective doping and thermal annealing method for forming a gate electrode pair with different work functions Oct. 23, 2007
7064359 Switching semiconductor device and switching circuit Jun. 20, 2006
7041541 Method for producing a semiconductor component, and semiconductor component produced by the same May. 9, 2006
7019336 Semiconductor device and method for manufacturing the same Mar. 28, 2006
7015518 HEMT device with a mesa isolating multilayer film Mar. 21, 2006
7012287 HEMT device with a mesa isolating multilayer film Mar. 14, 2006
7012286 Heterojunction field effect transistor Mar. 14, 2006
7011997 Method of fabricating a HEMT device Mar. 14, 2006
7005688 Semiconductor device with impurity layer to prevent depletion layer expansion Feb. 28, 2006
6998695 Semiconductor device having a mushroom gate with hollow space Feb. 14, 2006
6998225 Method of producing compound semiconductor device Feb. 14, 2006
6979871 Semiconductor device having T-shaped gate electrode and method of manufacturing the same Dec. 27, 2005
6972440 Enhanced T-gate structure for modulation doped field effect transistors Dec. 6, 2005
6924516 Semiconductor device Aug. 2, 2005
6900482 Semiconductor device having divided active regions with comb-teeth electrodes thereon May. 31, 2005
6870203 Field-effect semiconductor device and method for making the same Mar. 22, 2005
6867078 Method for forming a microwave field effect transistor with high operating voltage Mar. 15, 2005
6853016 Semiconductor device and method of fabricating semiconductor device Feb. 8, 2005
6841812 Double-gated vertical junction field effect power transistor Jan. 11, 2005
6833569 Self-aligned planar double-gate process by amorphization Dec. 21, 2004
6825529 Stress inducing spacers Nov. 30, 2004
6815740 Gate feed structure for reduced size field effect transistors Nov. 9, 2004
6812505 Semiconductor device Nov. 2, 2004
6784081 Gate structure forming method of field effect transistor Aug. 31, 2004

1 2 3 4 5 6










 
 
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