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Class Information
Number: 257/126
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) > With means to separate a device into sections having different conductive polarity
Description: Subject matter wherein the bidirectional rectifier with control electrode has means separating portions thereof which have different conductive polarity.

Sub-classes under this class:

Class Number Class Name Patents
257/127 Guard ring or groove 134

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
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8421118 Regenerative building block and diode bridge rectifier and methods Apr. 16, 2013
8174046 Reducing effects of parasitic transistors in thyristor-based memory using local thinning or implanting May. 8, 2012
8148748 Adjustable field effect rectifier Apr. 3, 2012
8120023 Low crosstalk, front-side illuminated, back-side contact photodiode array Feb. 21, 2012
7910493 Semiconductor device manufacturing method, semiconductor device, plasma nitriding treatment method, control program and computer storage medium Mar. 22, 2011
7732817 Pattern formed structure, method of forming pattern, device, electrooptical device and electronic equipment Jun. 8, 2010
7554131 Chip embedded package structure and fabrication method thereof Jun. 30, 2009
7294518 Composition for stripping photoresist and method for manufacturing thin film transistor array panel using the same Nov. 13, 2007
6989552 Method for making an integrated circuit device with dielectrically isolated tubs and related circuit Jan. 24, 2006
6972481 Semiconductor multi-package module including stacked-die package and having wire bond interconnect between stacked packages Dec. 6, 2005
6924531 LDMOS device with isolation guard rings Aug. 2, 2005
6870202 Surge protection semiconductor device Mar. 22, 2005
6703646 Thyristor with lightly-doped emitter Mar. 9, 2004
6682998 Methods for bumped die and wire bonded board-on-chip package Jan. 27, 2004
6580100 Voltage-controlled vertical bidirectional monolithic switch Jun. 17, 2003
6501137 Electrostatic discharge protection circuit triggered by PNP bipolar action Dec. 31, 2002
6455869 Motorcycle wheel lift Sep. 24, 2002
6396084 Structure of semiconductor rectifier May. 28, 2002
6252257 Isolating wall between power components Jun. 26, 2001
6180964 Low leakage wire bond pad structure for integrated circuits Jan. 30, 2001
6147369 SCR and current divider structure of electrostatic discharge protective circuit Nov. 14, 2000
6097071 ESD protection clamp for mixed voltage I/O stages using NMOS transistors Aug. 1, 2000
6078065 Bilaterally controllable thyristor Jun. 20, 2000
5998813 Component for protecting telephone line interfaces Dec. 7, 1999
5838043 ESD protection circuit located under protected bonding pad Nov. 17, 1998
5835985 Reverse conducting gate-turnoff thyristor Nov. 10, 1998
5596292 A.C. switch triggered at a predetermined half-period Jan. 21, 1997
5569940 AC switch triggered at a predetermined half-period Oct. 29, 1996
5471074 A.c. switch triggered at a predetermined half-period Nov. 28, 1995
5311043 Bidirectional semiconductor switch with hybrid construction May. 10, 1994
4791470 Reverse conducting gate turn-off thyristor device Dec. 13, 1988
4644240 Method and apparatus for controlling reverse-conducting GTO thyristor Feb. 17, 1987
4573065 Radial high voltage switch structure Feb. 25, 1986
4471372 FET Controlled Triac Sep. 11, 1984
4464673 Semiconductor component Aug. 7, 1984
4296427 Reverse conducting amplified gate thyristor with plate-like separator section Oct. 20, 1981
4224083 Dynamic isolation of conductivity modulation states in integrated circuits Sep. 23, 1980
4134778 Selective irradiation of thyristors Jan. 16, 1979
4121239 Controllable semiconductor component for two current directions Oct. 17, 1978
4112458 Silicon thyristor sensitive to low temperature with thermal switching characteristics at temperatures less than C Sep. 5, 1978
4089024 Semiconductor switching device May. 9, 1978
4021837 Symmetrical semiconductor switch having carrier lifetime degrading structure May. 3, 1977
3995306 Reverse conduction thyristor Nov. 30, 1976
3988772 Current isolation means for integrated power devices Oct. 26, 1976
3988762 Minority carrier isolation barriers for semiconductor devices Oct. 26, 1976
3978514 Diode-integrated high speed thyristor Aug. 31, 1976
3967308 Semiconductor controlled rectifier Jun. 29, 1976

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