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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
8669640 Bipolar transistor Mar. 11, 2014
8664697 Transistor device Mar. 4, 2014
8525233 SiGe heterojunction bipolar transistor with a shallow out-diffused P+ emitter region Sep. 3, 2013
8357985 Bipolar transistor with guard region Jan. 22, 2013
8350352 Bipolar transistor Jan. 8, 2013
8324713 Profile design for lateral-vertical bipolar junction transistor Dec. 4, 2012
8263469 Methods of forming a bipolar transistor Sep. 11, 2012
8258545 Integrated circuit including a bipolar transistor and methods of making the same Sep. 4, 2012
8120136 Bipolar transistor Feb. 21, 2012
8115280 Four-terminal gate-controlled LVBJTs Feb. 14, 2012
8058704 Bipolar transistor Nov. 15, 2011
7932155 Structure and method for performance improvement in vertical bipolar transistors Apr. 26, 2011
7898061 Structure for performance improvement in vertical bipolar transistors Mar. 1, 2011
7888225 Method of manufacturing an electronic device including a PNP bipolar transistor Feb. 15, 2011
7843039 Stress-modified device structures, methods of fabricating such stress-modified device structures, and design structures for an integrated circuit Nov. 30, 2010
7723823 Buried asymmetric junction ESD protection device May. 25, 2010
7701038 High-gain vertex lateral bipolar junction transistor Apr. 20, 2010
7671447 Bipolar transistor and method of manufacturing the same Mar. 2, 2010
7659577 Power semiconductor device with current sense capability Feb. 9, 2010
7615455 Integrated circuit bipolar transistor Nov. 10, 2009
7579635 Heterojunction bipolar transistor Aug. 25, 2009
7538412 Semiconductor device with a field stop zone May. 26, 2009
7495313 Germanium substrate-type materials and approach therefor Feb. 24, 2009
7482673 Structure and method for bipolar transistor having non-uniform collector-base junction Jan. 27, 2009
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

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