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Class Information
Number: 257/120
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Regenerative type switching device (e.g., scr, comfet, thyristor) > Bidirectional rectifier with control electrode (gate) (e.g., triac) > Six or more semiconductor layers of alternating conductivity types (e.g., npnpnpn structure)
Description: Subject matter wherein the bidirectional rectifier with control electrode contains six or more layers of semiconductor material, each of which has a different conductivity type, (e.g., n-type or p-type) which differs from that of each adjacent layer.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8664728 Power transistor with protected channel Mar. 4, 2014
8633509 Apparatus and method for transient electrical overstress protection Jan. 21, 2014
8592881 Organic light emitting element and method of manufacturing the same Nov. 26, 2013
8564047 Semiconductor power devices integrated with a trenched clamp diode Oct. 22, 2013
8476673 Diode Jul. 2, 2013
8466489 Apparatus and method for transient electrical overstress protection Jun. 18, 2013
8242534 Semiconductor device and manufacturing method thereof Aug. 14, 2012
8120023 Low crosstalk, front-side illuminated, back-side contact photodiode array Feb. 21, 2012
8035115 Semiconductor apparatus, print head, and image forming apparatus Oct. 11, 2011
7893457 Bipolar mosfet devices and methods for their use Feb. 22, 2011
7883941 Methods for fabricating memory cells and memory devices incorporating the same Feb. 8, 2011
7868387 Low leakage protection device Jan. 11, 2011
7804150 Lateral trench gate FET with direct source-drain current path Sep. 28, 2010
7554155 Power semiconductor device and method of manufacturing the same Jun. 30, 2009
7465964 Semiconductor device in which an injector region is isolated from a substrate Dec. 16, 2008
7332749 Junction-gate type static induction thyristor and high-voltage pulse generator using such junction-gate type static induction thyristor Feb. 19, 2008
7317213 Semiconductor device having super junction structure and method for manufacturing the same Jan. 8, 2008
7145185 Voltage-controlled bidirectional switch Dec. 5, 2006
7126166 High voltage lateral FET structure with improved on resistance performance Oct. 24, 2006
7064384 Semiconductor device Jun. 20, 2006
7053423 Thyristor having a first emitter with relatively lightly doped portion to the base May. 30, 2006
7038234 Thermoelectric module with Si/SiGe and B4C/B9C super-lattice legs May. 2, 2006
7002218 Low capacitance ESD-protection structure under a bond pad Feb. 21, 2006
6995408 Bidirectional photothyristor chip Feb. 7, 2006
6965130 Alternating implant ring terminations Nov. 15, 2005
6870202 Surge protection semiconductor device Mar. 22, 2005
6838707 Bi-directional silicon controlled rectifier for electrostatic discharge protection Jan. 4, 2005
6700141 Semiconductor device Mar. 2, 2004
6486501 Component with rectifying function, fulfilled by means of charge transport by ions Nov. 26, 2002
6066863 Lateral semiconductor arrangement for power IGS May. 23, 2000
6037613 Bidirectional thyristor device Mar. 14, 2000
5955750 Four-region (PNPN) semiconductor device Sep. 21, 1999
5952728 Thermoelectric conversion module having channels filled with semiconducting material and insulating fillers Sep. 14, 1999
5777346 Metal oxide semiconductor controlled thyristor with an on-field effect transistor in a trench Jul. 7, 1998
5757033 Bidirectional thyristor with MOS turn-off capability with a single gate May. 26, 1998
5705835 Semiconductor device and method of manufacturing the same Jan. 6, 1998
5696391 Overload protection circuit Dec. 9, 1997
5629535 Bidirectional thyristor with MOS turn-on and turn-off capability May. 13, 1997
5483087 Bidirectional thyristor with MOS turn-off capability with a single gate Jan. 9, 1996
5477064 Thyristor Dec. 19, 1995
5428228 Method of operating thyristor with insulated gates Jun. 27, 1995
5426314 Insulated gate control static induction thyristor Jun. 20, 1995
5409852 Method of Manufacturing three dimensional integrated device and circuit structures Apr. 25, 1995
4286279 Multilayer semiconductor switching devices Aug. 25, 1981
4250409 Control circuitry using a pull-down transistor for high voltage field terminated diode solid-state switches Feb. 10, 1981
4190853 Multilayer semiconductor switching devices Feb. 26, 1980
4079407 Single chip electronic switching circuit responsive to external stimuli Mar. 14, 1978
4021837 Symmetrical semiconductor switch having carrier lifetime degrading structure May. 3, 1977
3996601 Shorting structure for multilayer semiconductor switching devices Dec. 7, 1976
3988760 Deep diode bilateral semiconductor switch Oct. 26, 1976

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