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Class Information
Number: 257/124
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) > Combined with field effect transistor structure
Description: Subject matter wherein the bidirectional rectifier with control electrode includes or is combined with a field effect transistor structure, 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
257/125 Controllable emitter shunting 30


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8704271 Bidirectional electrostatic discharge (ESD) protection Apr. 22, 2014
8686470 ESD protection circuit Apr. 1, 2014
8643055 Series current limiter device Feb. 4, 2014
8642403 Replacement contacts for all-around contacts Feb. 4, 2014
8598620 MOSFET with integrated field effect rectifier Dec. 3, 2013
8563986 Power semiconductor devices having selectively doped JFET regions and related methods of forming such devices Oct. 22, 2013
8441031 ESD protection device May. 14, 2013
8431986 Semiconductor device having three-dimensional transistor and manufacturing method thereof Apr. 30, 2013
8421118 Regenerative building block and diode bridge rectifier and methods Apr. 16, 2013
8357952 Power semiconductor structure with field effect rectifier and fabrication method thereof Jan. 22, 2013
8354690 Solid-state pinch off thyristor circuits Jan. 15, 2013
8344415 Semiconductor component Jan. 1, 2013
8338855 Voltage-controlled bidirectional switch Dec. 25, 2012
8217453 Bi-directional DMOS with common drain Jul. 10, 2012
8193559 Monolithic semiconductor switches and method for manufacturing Jun. 5, 2012
8148748 Adjustable field effect rectifier Apr. 3, 2012
8008687 Electrostatic discharge protection device Aug. 30, 2011
7973387 Insulated gate bipolar transistor Jul. 5, 2011
7943955 Monolithic semiconductor switches and method for manufacturing May. 17, 2011
7915638 Symmetric bidirectional silicon-controlled rectifier Mar. 29, 2011
7910950 High voltage ESD LDMOS-SCR with gate reference voltage Mar. 22, 2011
7872315 Electronic switching device Jan. 18, 2011
7626214 Small-sized semiconductor device featuring protection circuit for MOSFET Dec. 1, 2009
7605435 Bi-directional MOSFET power switch with single metal layer Oct. 20, 2009
7589359 Silicon controlled rectifier Sep. 15, 2009
7285804 Thyristor-based SRAM Oct. 23, 2007
7262478 Semiconductor device and manufacturing method thereof Aug. 28, 2007
7141831 Snapback clamp having low triggering voltage for ESD protection Nov. 28, 2006
7053423 Thyristor having a first emitter with relatively lightly doped portion to the base May. 30, 2006
6906354 T-RAM cell having a buried vertical thyristor and a pseudo-TFT transfer gate and method for fabricating the same Jun. 14, 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
6835997 Thyristor-based device with trench dielectric material Dec. 28, 2004
6815734 Varied trench depth for thyristor isolation Nov. 9, 2004
6737724 Semiconductor device and method of manufacturing the same May. 18, 2004
6677616 Fabrication method of thin film transistor substrate for X-ray detector Jan. 13, 2004
6674131 Semiconductor power device for high-temperature applications Jan. 6, 2004
6661036 Semiconductor switches with evenly distributed fine control structures Dec. 9, 2003
6617661 High voltage component and method for making same Sep. 9, 2003
6580100 Voltage-controlled vertical bidirectional monolithic switch Jun. 17, 2003
6576935 Bidirectional semiconductor device and method of manufacturing the same Jun. 10, 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
6501137 Electrostatic discharge protection circuit triggered by PNP bipolar action Dec. 31, 2002
6492662 T-RAM structure having dual vertical devices and method for fabricating the same Dec. 10, 2002
6445561 Circuit arrangement, in particular for triggering an ignition end stage Sep. 3, 2002
6441406 Semiconductor device Aug. 27, 2002
6437383 Dual trench isolation for a phase-change memory cell and method of making same Aug. 20, 2002
6426521 Semiconductor device Jul. 30, 2002
6423987 Self-protect thyristor Jul. 23, 2002
6323508 Insulated gate semiconductor device and manufacturing method thereof Nov. 27, 2001

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