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Class Information
Number: 257/477
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Schottky barrier > In integrated structure > With bipolar transistor
Description: Subject matter wherein the Schottky barrier device is located in a single integrated monolithic semiconductor chip with a bipolar transistor.


Sub-classes under this class:

Class Number Class Name Patents
257/479 Connected across base-collector junction of transistor (e.g., baker clamp) 46
257/478 Plural schottky barriers with different barrier heights 28


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7420228 Bipolar transistor comprising carbon-doped semiconductor Sep. 2, 2008
7193250 Light-emitting element having PNPN-structure and light-emitting element array Mar. 20, 2007
7157785 Semiconductor device, the method of manufacturing the same, and two-way switching device using the semiconductor devices Jan. 2, 2007
7064407 JFET controlled schottky barrier diode Jun. 20, 2006
7038244 Semiconductor device and method of manufacturing the same May. 2, 2006
7009269 Semiconductor device Mar. 7, 2006
6989557 Bipolar junction transistor and fabricating method Jan. 24, 2006
6972442 Efficiently fabricated bipolar transistor Dec. 6, 2005
6949764 Fully-depleted-collector silicon-on-insulator (SOI) bipolar transistor useful alone or in SOI BiCMOS Sep. 27, 2005
6933751 Integrated Schottky transistor logic configuration Aug. 23, 2005
6921958 IGBT with a Schottky barrier diode Jul. 26, 2005
6852580 Method of fabricating semiconductor device Feb. 8, 2005
6849871 Fully-depleted-collector silicon-on-insulator (SOI) bipolar transistor useful alone or in SOI BiCMOS Feb. 1, 2005
6838709 Bipolar transistor Jan. 4, 2005
6809400 Composite pinin collector structure for heterojunction bipolar transistors Oct. 26, 2004
6744111 Schottky-barrier tunneling transistor Jun. 1, 2004
6703283 Discontinuous dielectric interface for bipolar transistors Mar. 9, 2004
6703685 Super self-aligned collector device for mono-and hetero bipolar junction transistors Mar. 9, 2004
6573582 Semiconductor device Jun. 3, 2003
6525388 Compound semiconductor device having diode connected between emitter and collector of bipolar transistor Feb. 25, 2003
6417554 Latch free IGBT with schottky gate Jul. 9, 2002
6252282 Semiconductor device with a bipolar transistor, and method of manufacturing such a device Jun. 26, 2001
6046486 Heterojunction bipoplar mixer circuitry Apr. 4, 2000
6037646 High-frequency GaAs substrate based schottky barrier diodes Mar. 14, 2000
5930636 Method of fabricating high-frequency GaAs substrate-based Schottky barrier diodes Jul. 27, 1999
5889317 Leadframe for integrated circuit package Mar. 30, 1999
5763918 ESD structure that employs a schottky-barrier to reduce the likelihood of latch-up Jun. 9, 1998
5760424 Integrated circuit arrangement having at least one IGBT Jun. 2, 1998
5583348 Method for making a schottky diode that is compatible with high performance transistor structures Dec. 10, 1996
5567969 Compound modulated integrated transistor structure with reduced bipolar switch back effect Oct. 22, 1996
5536966 Retrograde NWell cathode Schottky transistor and fabrication process Jul. 16, 1996
5438218 Semiconductor device with Shottky junction Aug. 1, 1995
5331186 Heterojunction bipolar transistor with base electrode having Schottky barrier contact to the emitter Jul. 19, 1994
5296406 Aluminum alloy/silicon-chromium sandwich schottky diode Mar. 22, 1994
5177584 Semiconductor integrated circuit device having bipolar memory, and method of manufacturing the same Jan. 5, 1993
5175597 Semiconductor component with Schottky junction for microwave amplification and fast logic circuits Dec. 29, 1992
5166760 Semiconductor Schottky barrier device with pn junctions Nov. 24, 1992
5150177 Schottky diode structure with localized diode well Sep. 22, 1992
5144404 Polysilicon Schottky clamped transistor and vertical fuse devices Sep. 1, 1992
5140383 Method for fabricating a buried Schottky logic array and apparatus produced thereby Aug. 18, 1992
5132748 Semiconductor memory device Jul. 21, 1992
5093576 High sensitivity ultraviolet radiation detector Mar. 3, 1992
5086324 Insulated gate bipolar transistor Feb. 4, 1992
5061981 Double diffused CMOS with Schottky to drain contacts Oct. 29, 1991
5059555 Method to fabricate vertical fuse devices and Schottky diodes using thin sacrificial layer Oct. 22, 1991
5029127 Bipolar SRAM having word lines as vertically stacked pairs of conductive lines parallelly formed with holding current lines Jul. 2, 1991
5028978 Complementary bipolar complementary CMOS (CBiCMOS) transmission gate Jul. 2, 1991
5023482 ISL to TTL translator Jun. 11, 1991
4982244 Buried Schottky clamped transistor Jan. 1, 1991
4956688 Radiation resistant bipolar memory Sep. 11, 1990

1 2 3


 
 
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