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Class Information
Number: 438/139
Name: Semiconductor device manufacturing: process > Making regenerative-type switching device (e.g., scr, igbt, thyristor, etc.) > Altering electrical characteristic
Description: Process having a step of altering an electrical characteristic of the regenerative-type switching device.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8673697 Thin film transistor, method of fabricating the same and organic light emitting diode display device having the same Mar. 18, 2014
8664690 Bi-directional triode thyristor for high voltage electrostatic discharge protection Mar. 4, 2014
8637954 Integrated circuit technology with different device epitaxial layers Jan. 28, 2014
8586424 Switching materials comprising mixed nanoscopic particles and carbon nanotubes and method of making and using the same Nov. 19, 2013
8557640 Low voltage PNPN protection device Oct. 15, 2013
8476614 Memory device and fabrication process thereof Jul. 2, 2013
8476672 Electrostatic discharge protection device and method for fabricating the same Jul. 2, 2013
8470646 Modulation of resistivity in carbon-based read-writeable materials Jun. 25, 2013
8461620 Laser pumping of thyristors for fast high current rise-times Jun. 11, 2013
8420454 Three-terminal power device with high switching speed and manufacturing process Apr. 16, 2013
8236623 Memory cell that employs a selectively fabricated carbon nano-tube reversible resistance-switching element and methods of forming the same Aug. 7, 2012
8145020 Semiconductor device Mar. 27, 2012
8138028 Method for manufacturing a phase change memory device with pillar bottom electrode Mar. 20, 2012
8124480 Methods of fabricating silicon carbide devices incorporating multiple floating guard ring edge terminations Feb. 28, 2012
8071450 Method for forming voltage sustaining layer with opposite-doped islands for semiconductor power devices Dec. 6, 2011
7923308 Methods of forming conductive contacts to source/drain regions and methods of forming local interconnects Apr. 12, 2011
7915637 Switching materials comprising mixed nanoscopic particles and carbon nanotubes and method of making and using the same Mar. 29, 2011
7851274 Processing technique to improve the turn-off gain of a silicon carbide gate turn-off thyristor Dec. 14, 2010
7763481 Liquid crystal display and fabrication method thereof Jul. 27, 2010
7670881 Method of manufacturing a semiconductor device Mar. 2, 2010
7628959 Hydrogen gas sensor Dec. 8, 2009
7608494 Thin film transistor array panel and a method for manufacturing the same Oct. 27, 2009
7491609 Semiconductor device and method for manufacturing the same Feb. 17, 2009
7491586 Semiconductor device with leakage implant and method of fabrication Feb. 17, 2009
7459365 Method for fabricating a semiconductor component Dec. 2, 2008
7442584 Isolated vertical power device structure with both N-doped and P-doped trenches Oct. 28, 2008
7419877 Methods of fabricating silicon carbide devices including multiple floating guard ring edge termination Sep. 2, 2008
7361570 Semiconductor device having an implanted precipitate region and a method of manufacture therefor Apr. 22, 2008
7351614 Deep trench isolation for thyristor-based semiconductor device Apr. 1, 2008
7264986 Microelectronic assembly and method for forming the same Sep. 4, 2007
7195959 Thyristor-based semiconductor device and method of fabrication Mar. 27, 2007
7186381 Hydrogen gas sensor Mar. 6, 2007
7118982 Emitter and method of making Oct. 10, 2006
7037814 Single mask control of doping levels May. 2, 2006
6943406 Semiconductor device Sep. 13, 2005
6927101 Field-effect-controllable semiconductor component and method for fabricating the component Aug. 9, 2005
6924177 Method for producing a thyristor Aug. 2, 2005
6864540 High performance FET with elevated source/drain region Mar. 8, 2005
6838300 Chemical treatment of low-k dielectric films Jan. 4, 2005
6828177 Gate pad protection structure for power semiconductor device and manufacturing method therefor Dec. 7, 2004
6773968 High density planar SRAM cell using bipolar latch-up and gated diode breakdown Aug. 10, 2004
6770910 Thin-film transistor array structure Aug. 3, 2004
6762080 Method of manufacturing a semiconductor device having a cathode and an anode from a wafer Jul. 13, 2004
6552360 Method and circuit layout for reducing post chemical mechanical polishing defect count Apr. 22, 2003
6534380 Semiconductor substrate and method of manufacturing the same Mar. 18, 2003
6489187 Method for setting the breakover voltage of a thyristor Dec. 3, 2002
6436788 Field emission display having reduced optical sensitivity and method Aug. 20, 2002
6306690 Process flow to integrate high and low voltage peripheral transistors with a floating gate array Oct. 23, 2001
5994171 Method of making lateral components in power semiconductor devices Nov. 30, 1999
5970324 Methods of making dual gated power electronic switching devices Oct. 19, 1999

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