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Class Information
Number: 257/404
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Field effect device > Having insulated electrode (e.g., mosfet, mos diode) > With permanent threshold adjustment (e.g., depletion mode) > With channel conductivity dopant same type as that of source and drain > Non-uniform channel doping
Description: Subject matter wherein the dopant concentration varies along at least one dimension of the channel.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8653516 High performance thin film transistor Feb. 18, 2014
8653601 Current control semiconductor element and control device using the same Feb. 18, 2014
8558323 Thin film transistors having multi-layer channel Oct. 15, 2013
8552511 Semiconductor device and manufacturing method thereof Oct. 8, 2013
8507338 Semiconductor structure and fabricating method thereof Aug. 13, 2013
8390063 Semiconductor device having a lightly doped semiconductor gate and method for fabricating same Mar. 5, 2013
8330232 Nonvolatile memory device and method of forming the same Dec. 11, 2012
8283733 Semiconductor devices with gate electrodes and with monocrystalline silicon regions that contain atoms of nitrogen and one or more of chlorine, bromine, sulfur, fluorine, or phosphorus Oct. 9, 2012
8232605 Method for gate leakage reduction and Vt shift control and complementary metal-oxide-semiconductor device Jul. 31, 2012
8222649 Semiconductor device and method of manufacturing the same Jul. 17, 2012
8143678 Thin film transistors having multi-layer channel Mar. 27, 2012
8139400 Enhanced static random access memory stability using asymmetric access transistors and design structure for same Mar. 20, 2012
8106481 Semiconductor devices with graded dopant regions Jan. 31, 2012
7964907 Integrated circuit device gate structures Jun. 21, 2011
7960786 Breakdown voltages of ultra-high voltage devices by forming tunnels Jun. 14, 2011
7943985 Oxide semiconductor thin film transistors and fabrication methods thereof May. 17, 2011
7944003 Asymmetric channel doping for improved memory operation for floating body cell (FBC) memory May. 17, 2011
7834383 Pixel with asymmetric transfer gate channel doping Nov. 16, 2010
7816734 Field-effect transistor including localized halo ion regions, and semiconductor memory, memory card, and system including the same Oct. 19, 2010
7800166 Recessed channel array transistor (RCAT) structures and method of formation Sep. 21, 2010
7777282 Self-aligned tunneling pocket in field-effect transistors and processes to form same Aug. 17, 2010
7718498 Semiconductor device and method of producing same May. 18, 2010
7687868 Structure for TFT-LCD Mar. 30, 2010
7675126 Metal oxide semiconductor field effect transistor and method of fabricating the same Mar. 9, 2010
7671425 Semiconductor device and method of manufacturing the same Mar. 2, 2010
7655990 Voltage-clipping device with high breakdown voltage Feb. 2, 2010
7646071 Asymmetric channel doping for improved memory operation for floating body cell (FBC) memory Jan. 12, 2010
7586137 Non-volatile memory device and method of fabricating the same Sep. 8, 2009
7569898 Semiconductor device and method of manufacturing the same Aug. 4, 2009
7560770 MOSFET device suppressing electrical coupling between adjoining recess gates and method for manufacturing the same Jul. 14, 2009
7557397 Pixel with asymmetric transfer gate channel doping Jul. 7, 2009
7525164 Strained Si/SiGe/SOI islands and processes of making same Apr. 28, 2009
7355226 Power semiconductor and method of fabrication Apr. 8, 2008
7301197 Non-volatile nanocrystal memory transistors using low voltage impact ionization Nov. 27, 2007
7301208 Semiconductor device and method for fabricating the same Nov. 27, 2007
7274048 Substrate based ESD network protection for a flip chip Sep. 25, 2007
7271457 Abrupt channel doping profile for fermi threshold field effect transistors Sep. 18, 2007
7247532 High voltage transistor and method for fabricating the same Jul. 24, 2007
7224023 Semiconductor device and method of manufacturing thereof May. 29, 2007
7129544 Vertical compound semiconductor field effect transistor structure Oct. 31, 2006
7061058 Forming a retrograde well in a transistor to enhance performance of the transistor Jun. 13, 2006
7053450 Semiconductor device and method for fabricating the same May. 30, 2006
7045860 Semiconductor device and manufacturing method thereof May. 16, 2006
7023060 Methods for programming read-only memory cells and associated memories Apr. 4, 2006
7019379 Semiconductor device comprising voltage regulator element Mar. 28, 2006
7015546 Deterministically doped field-effect devices and methods of making same Mar. 21, 2006
7009248 Semiconductor device with asymmetric pocket implants Mar. 7, 2006
6919600 Permanently on transistor implemented using a double polysilicon layer CMOS process with buried contact Jul. 19, 2005
6873053 Semiconductor device with smoothed pad portion Mar. 29, 2005
6873008 Asymmetrical devices for short gate length performance with disposable sidewall Mar. 29, 2005

1 2 3 4










 
 
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