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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 77
257/128 Having overlapping sections of different conductive polarity 30
257/122 Lateral 57
257/120 Six or more semiconductor layers of alternating conductivity types (e.g., npnpnpn structure) 38
257/130 Switching speed enhancement means 46
257/121 With diode or transistor in reverse path 76
257/129 With means to increase reverse breakdown voltage 59
257/126 With means to separate a device into sections having different conductive polarity 43
257/123 With trigger signal amplification (e.g., amplified gate) 33


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
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
7145185 Voltage-controlled bidirectional switch Dec. 5, 2006
7144792 Method and apparatus for fabricating and connecting a semiconductor power switching device 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
6995408 Bidirectional photothyristor chip Feb. 7, 2006
6967356 Vertical component with high-voltage strength Nov. 22, 2005
6965129 Thyristor-based device having dual control ports Nov. 15, 2005
6963087 Pulsed bistable bidirectional electronic switch Nov. 8, 2005
6927427 Bidirectional static switch responsive in quadrants Q4 and Q1 Aug. 9, 2005
6921930 Pulse-controlled bistable bidirectional electronic switch Jul. 26, 2005
6919583 End surface light-emitting element having increased external light emission efficiency and self-scanning light-emitting element array using the same Jul. 19, 2005
6914271 High-voltage bidirectional switch Jul. 5, 2005
6914270 IGBT with PN insulation and production method Jul. 5, 2005
6897492 Power device with bi-directional level shift circuit May. 24, 2005
6838321 SEMICONDUCTOR SUBSTRATE WITH DEFECTS REDUCED OR REMOVED AND METHOD OF MANUFACTURING THE SAME, AND SEMICONDUCTOR DEVICE CAPABLE OF BIDIRECTIONALLY RETAINING BREAKDOWN VOLTAGE AND METHOD OF MANU Jan. 4, 2005
6838707 Bi-directional silicon controlled rectifier for electrostatic discharge protection Jan. 4, 2005
6835997 Thyristor-based device with trench dielectric material Dec. 28, 2004
6809348 Semiconductor device and method for manufacturing the same Oct. 26, 2004
6806510 Semiconductor device with surge protective component and method of manufacturing the semiconductor device Oct. 19, 2004
6797984 Light-emitting diode packaging structure having rectification circuit Sep. 28, 2004
6777748 Bi-directional semiconductor component Aug. 17, 2004
6759692 Gate driver with level shift circuit Jul. 6, 2004
6717182 Edge-emitting light-emitting device having improved external luminous efficiency and self-scanning light-emitting device array comprising the same Apr. 6, 2004
6661036 Semiconductor switches with evenly distributed fine control structures Dec. 9, 2003
6593600 Responsive bidirectional static switch Jul. 15, 2003
6590349 Bidirectional flip-flop Jul. 8, 2003
6583496 Single-control monolithic component for a composite bridge Jun. 24, 2003
6559515 Insulating wall between power components May. 6, 2003
6555848 Diode having breakdown voltage adjustable to arbitrary value without increase of parasitic capacitance and process for fabrication thereof Apr. 29, 2003
6545297 High density vertical SRAM cell using bipolar latchup induced by gated diode breakdown Apr. 8, 2003
6541801 Triac with a holding voltage that is greater than the dc bias voltages that are on the to-be-protected nodes Apr. 1, 2003
6486501 Component with rectifying function, fulfilled by means of charge transport by ions Nov. 26, 2002
6445561 Circuit arrangement, in particular for triggering an ignition end stage Sep. 3, 2002
6441406 Semiconductor device Aug. 27, 2002

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