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Class Information
Number: 257/119
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)
Description: Subject matter wherein the regenerative switching device has a control electrode, can conduct in both forward and reverse directions, and can be triggered into conduction by a pulse applied to its control electrode.

Sub-classes under this class:

Class Number Class Name Patents
257/124 Combined with field effect transistor structure 100
257/128 Having overlapping sections of different conductive polarity 36
257/122 Lateral 76
257/120 Six or more semiconductor layers of alternating conductivity types (e.g., npnpnpn structure) 51
257/130 Switching speed enhancement means 61
257/121 With diode or transistor in reverse path 88
257/129 With means to increase reverse breakdown voltage 66
257/126 With means to separate a device into sections having different conductive polarity 52
257/123 With trigger signal amplification (e.g., amplified gate) 37

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8664690 Bi-directional triode thyristor for high voltage electrostatic discharge protection Mar. 4, 2014
8598620 MOSFET with integrated field effect rectifier Dec. 3, 2013
8552467 Four-quadrant triac Oct. 8, 2013
8497526 Low triggering voltage DIAC structure Jul. 30, 2013
8421118 Regenerative building block and diode bridge rectifier and methods Apr. 16, 2013
8410519 Integrated circuits with aligned (100) NMOS and (110) PMOS FinFET sidewall channels Apr. 2, 2013
8395204 Power semiconductor device Mar. 12, 2013
8384058 Structured silicon anode Feb. 26, 2013
8378382 High aspect-ratio PN-junction and method for manufacturing the same Feb. 19, 2013
8357952 Power semiconductor structure with field effect rectifier and fabrication method thereof Jan. 22, 2013
8344415 Semiconductor component Jan. 1, 2013
8338855 Voltage-controlled bidirectional switch Dec. 25, 2012
8334579 Schottky diode Dec. 18, 2012
8330198 Device for preventing current-leakage Dec. 11, 2012
8283695 Devices with adjustable dual-polarity trigger- and holding-votage/current for high level of electrostatic discharge protection in sub-micron mixed signal CMOS/BiCMOS integrated Oct. 9, 2012
8148748 Adjustable field effect rectifier Apr. 3, 2012
8138522 Gate controlled atomic switch Mar. 20, 2012
8138546 Electrostatic discharge protection device and method of fabricating same Mar. 20, 2012
8134177 Switching element, semiconductor device and method of manufacturing the same Mar. 13, 2012
8101969 Bi-directional transistor with by-pass path and method therefor Jan. 24, 2012
8049278 ESD protection for high voltage applications Nov. 1, 2011
8008687 Electrostatic discharge protection device Aug. 30, 2011
7968907 Low capacitance over-voltage protection thyristor device Jun. 28, 2011
7960217 Gate controlled atomic switch Jun. 14, 2011
7910410 Integrated low leakage Schottky diode Mar. 22, 2011
7897994 Method of making (100) NMOS and (110) PMOS sidewall surface on the same fin orientation for multiple gate MOSFET with DSB substrate Mar. 1, 2011
7825429 Tunable voltage isolation ground to ground ESD clamp Nov. 2, 2010
7745845 Integrated low leakage schottky diode Jun. 29, 2010
7718473 HF control bidirectional switch May. 18, 2010
7635614 Double gate NLDMOS SCR device with controllable switching characteristics Dec. 22, 2009
7592642 Thyristor-based semiconductor device with indium-carbon implant and method of fabrication Sep. 22, 2009
7538362 Lateral semiconductor diode and method for fabricating it May. 26, 2009
7511316 Semiconductor device resistive to high voltage and capable of controlling leakage current Mar. 31, 2009
7465964 Semiconductor device in which an injector region is isolated from a substrate Dec. 16, 2008
7423298 Bidirectional photothyristor chip, optical lighting coupler, and solid state relay Sep. 9, 2008
7365372 Semiconductor device and method for manufacturing semiconductor device Apr. 29, 2008
7326965 Surface-emitting type device and its manufacturing method Feb. 5, 2008
7321138 Planar diac Jan. 22, 2008
7298008 Electrostatic discharge protection device and method of fabricating same Nov. 20, 2007
7247926 High-frequency switching transistor Jul. 24, 2007
7193251 ESD protection cluster and method of providing multi-port ESD protection Mar. 20, 2007
7161191 HF-control SCR switch structure Jan. 9, 2007
7157747 Bidirectional photothyristor chip, light-fired coupler and solid state relay Jan. 2, 2007
7144792 Method and apparatus for fabricating and connecting a semiconductor power switching device Dec. 5, 2006
7145185 Voltage-controlled bidirectional switch Dec. 5, 2006
7129563 Method of fabricating a semiconductor device comprising a gate dielectric made of high dielectric permittivity material Oct. 31, 2006
7126204 Integrated semiconductor circuit with an electrically programmable switching element Oct. 24, 2006
7098513 Low trigger voltage, low leakage ESD NFET Aug. 29, 2006
7030425 Buried emitter contact for thyristor-based semiconductor device Apr. 18, 2006
7002829 Apparatus and method for programming a one-time programmable memory device Feb. 21, 2006

1 2 3

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