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Class Information
Number: 257/133
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Regenerative type switching device (e.g., scr, comfet, thyristor) > Combined with field effect transistor
Description: Subject matter wherein the regenerative device includes or is combined with a field effect transistor, i.e., a transistor in which the current through a conducting channel is controlled by an electric field coming from a voltage which is applied between the gate and source terminals thereof.










Sub-classes under this class:

Class Number Class Name Patents
257/137 Having controllable emitter shunt 98
257/134 J-fet (junction field effect transistor) 121
257/139 With extended latchup current level (e.g., comfet device) 371


Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8710543 Cascode circuit device with improved reverse recovery characteristic Apr. 29, 2014
8710542 Semiconductor device Apr. 29, 2014
8710568 Semiconductor device having a plurality of elements on one semiconductor substrate and method of manufacturing the same Apr. 29, 2014
8704271 Bidirectional electrostatic discharge (ESD) protection Apr. 22, 2014
8659079 Transistor device and method for manufacturing the same Feb. 25, 2014
8659052 Semiconductor device and method for manufacturing the same Feb. 25, 2014
8643056 Power semiconductor device and method of manufacturing the same Feb. 4, 2014
8604512 Bidirectional switch Dec. 10, 2013
8598620 MOSFET with integrated field effect rectifier Dec. 3, 2013
8592881 Organic light emitting element and method of manufacturing the same Nov. 26, 2013
8587224 Variable gate field-effect transistor and electrical and electronic apparatus including the same Nov. 19, 2013
8581298 Semiconductor device Nov. 12, 2013
RE44547 Semiconductor device having deep trench charge compensation regions and method Oct. 22, 2013
8552468 Power semiconductor device Oct. 8, 2013
8546847 Semiconductor device and power conversion apparatus using the same Oct. 1, 2013
8541787 High breakdown voltage wide band-gap MOS-gated bipolar junction transistors with avalanche capability Sep. 24, 2013
8519432 Semiconductor switch Aug. 27, 2013
8502478 Variable gate field-effect transistor and electrical and electronic apparatus including the same Aug. 6, 2013
8497526 Low triggering voltage DIAC structure Jul. 30, 2013
8471291 Semiconductor device Jun. 25, 2013
8441031 ESD protection device May. 14, 2013
8421077 Replacement gate MOSFET with self-aligned diffusion contact Apr. 16, 2013
8421118 Regenerative building block and diode bridge rectifier and methods Apr. 16, 2013
8399907 VTS insulated gate bipolar transistor Mar. 19, 2013
8362519 Semiconductor device Jan. 29, 2013
8344416 Integrated circuits using guard rings for ESD, systems, and methods for forming the integrated circuits Jan. 1, 2013
8330185 Semiconductor device having semiconductor substrate including diode region and IGBT region Dec. 11, 2012
8299496 Semiconductor device having semiconductor substrate including diode region and IGBT region Oct. 30, 2012
8299539 Semiconductor device having IGBT and FWD on same substrate Oct. 30, 2012
8294218 Method of fabricating an integrated circuit with gate self-protection, and an integrated circuit with gate self-protection Oct. 23, 2012
8278682 Semiconductor device Oct. 2, 2012
8258542 Semiconductor devices and semiconductor apparatuses including the same Sep. 4, 2012
8227831 Semiconductor device having a junction FET and a MISFET for control Jul. 24, 2012
8222671 Power semiconductor devices Jul. 17, 2012
8212283 Reverse-conducting semiconductor device Jul. 3, 2012
8188540 High breakdown voltage double-gate semiconductor device May. 29, 2012
8178947 Semiconductor device May. 15, 2012
8164110 Integrated lateral high-voltage diode and thyristor Apr. 24, 2012
8148748 Adjustable field effect rectifier Apr. 3, 2012
8138521 Thyristor semiconductor device and switching method thereof Mar. 20, 2012
8122596 System of fabricating a flexible electrode array Feb. 28, 2012
8084783 GaN-based device cascoded with an integrated FET/Schottky diode device Dec. 27, 2011
8049278 ESD protection for high voltage applications Nov. 1, 2011
8049248 Semiconductor device including thyristor and method of manufacturing the same Nov. 1, 2011
8035126 One-transistor static random access memory with integrated vertical PNPN device Oct. 11, 2011
8022506 SOI device with more immunity from substrate voltage Sep. 20, 2011
8015538 Design structure with a deep sub-collector, a reach-through structure and trench isolation Sep. 6, 2011
7982239 Power switching transistors Jul. 19, 2011
7982240 Bidirectional electronic switch Jul. 19, 2011
7968940 Insulated gate bipolar transistor device comprising a depletion-mode MOSFET Jun. 28, 2011

1 2 3 4 5 6 7 8










 
 
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