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Class Information
Number: 257/593
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Bipolar transistor structure > With means to increase current gain or operating frequency
Description: Subject matter wherein the device includes means to increase the current gain or the operating frequency of the devices.


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
7456071 Method for forming a strongly-conductive buried layer in a semiconductor substrate Nov. 25, 2008
7446012 Lateral PNP transistor and the method of manufacturing the same Nov. 4, 2008
7405422 Epitaxial and polycrystalline growth of Si.sub.1-x-yGe.sub.xC.sub.y and Si.sub.1-yC.sub.y alloy layers on Si by UHV-CVD Jul. 29, 2008
7397108 Bipolar transistor Jul. 8, 2008
7394113 Self-alignment scheme for a heterojunction bipolar transistor Jul. 1, 2008
7297991 Bipolar junction transistor and fabricating method Nov. 20, 2007
7262484 Structure and method for performance improvement in vertical bipolar transistors Aug. 28, 2007
7211516 Nickel silicide including indium and a method of manufacture therefor May. 1, 2007
7199447 Angled implant to improve high current operation of bipolar transistors Apr. 3, 2007
7173274 Incorporation of carbon in silicon/silicon germanium epitaxial layer to enhance yield for Si-Ge bipolar technology Feb. 6, 2007
7141865 Low noise semiconductor amplifier Nov. 28, 2006
7126171 Bipolar transistor Oct. 24, 2006
7045836 Semiconductor structure having a strained region and a method of fabricating same May. 16, 2006
6984593 Beta control using a rapid thermal oxidation Jan. 10, 2006
6979885 Devices with patterned wells and method for forming same Dec. 27, 2005
6949799 Semiconductor structure comprising an electrostatic discharge (ESD) protection device Sep. 27, 2005
6930373 Circuit arrangement Aug. 16, 2005
6903440 Electronic component of a high frequency current suppression type and bonding wire for the same Jun. 7, 2005
6897547 Semiconductor device including bipolar junction transistor, and production method therefor May. 24, 2005
6891249 Method and system for high density integrated bipolar power transistor using buried power buss May. 10, 2005
6891250 Semiconductor device with bipolar transistor May. 10, 2005
6881988 Heterojunction bipolar transistor and semiconductor integrated circuit device using the same Apr. 19, 2005
6867477 High gain bipolar transistor Mar. 15, 2005
6838350 Triply implanted complementary bipolar transistors Jan. 4, 2005
6815801 Vertical bipolar transistor and a method of manufacture therefor including two epitaxial layers and a buried layer Nov. 9, 2004
6809396 Integrated circuit with a high speed narrow base width vertical PNP transistor Oct. 26, 2004
6806555 Semiconductor component and method for fabricating it Oct. 19, 2004
6787879 Interfacial oxide in a transistor Sep. 7, 2004
6780710 Method of manufacturing non-volatile read only memory Aug. 24, 2004
6777780 Trench bipolar transistor Aug. 17, 2004
6770953 Bipolar transistor Aug. 3, 2004
6764918 Structure and method of making a high performance semiconductor device having a narrow doping profile Jul. 20, 2004
6759694 Semiconductor phototransistor Jul. 6, 2004
6759674 Band gap compensated HBT Jul. 6, 2004
6743662 Silicon-on-insulator wafer for RF integrated circuit Jun. 1, 2004
6740914 FET circuit block with reduced self-heating May. 25, 2004
6734476 Semiconductor devices having group III-V compound layers May. 11, 2004
6699741 Single poly bipolar transistor and method that uses a selectively epitaxially grown highly-boron-doped silicon layer as a diffusion source for an extrinsic base region Mar. 2, 2004
6674150 Heterojunction bipolar transistor and method for fabricating the same Jan. 6, 2004
6674148 Lateral components in power semiconductor devices Jan. 6, 2004
6657262 Monolithically integrated electronic device and fabrication process therefor Dec. 2, 2003
6656812 Vertical bipolar transistor having little low-frequency noise and high current gain, and corresponding fabrication process Dec. 2, 2003
6657279 PNP lateral bipolar electronic device and corresponding manufacturing process Dec. 2, 2003
6653708 Complementary metal oxide semiconductor with improved single event performance Nov. 25, 2003
6627972 Vertical bipolar transistor Sep. 30, 2003
6586782 Transistor layout having a heat dissipative emitter Jul. 1, 2003
6579773 Transistor device and fabrication method thereof Jun. 17, 2003
6573539 Heterojunction bipolar transistor with silicon-germanium base Jun. 3, 2003
6570242 Bipolar transistor with high breakdown voltage collector May. 27, 2003
6563147 HBT with a SiGe base region having a predetermined Ge content profile May. 13, 2003

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