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Class Information
Number: 438/340
Name: Semiconductor device manufacturing: process > Forming bipolar transistor by formation or alteration of semiconductive active regions > Making plural bipolar transistors of differing electrical characteristics
Description: Process for making multiple bipolar transistors possessing differing electrical properties.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8710627 Uni-directional transient voltage suppressor (TVS) Apr. 29, 2014
8680621 Integrated circuit, electronic device and ESD protection therefor Mar. 25, 2014
8603885 Flat response device structures for bipolar junction transistors Dec. 10, 2013
RE44140 Bipolar method and structure having improved BVCEO/RCS trade-off made with depletable collector columns Apr. 9, 2013
8330219 Semiconductor device with high-voltage breakdown protection Dec. 11, 2012
8263470 Method of fabricating semiconductor device Sep. 11, 2012
8247300 Control of dopant diffusion from buried layers in bipolar integrated circuits Aug. 21, 2012
8124468 Process of forming an electronic device including a well region Feb. 28, 2012
8076211 Fabricating bipolar junction select transistors for semiconductor memories Dec. 13, 2011
8026146 Method of manufacturing a bipolar transistor Sep. 27, 2011
7998779 Solid-state imaging device and method of fabricating solid-state imaging device Aug. 16, 2011
7989921 Soi vertical bipolar power component Aug. 2, 2011
7968417 Method for integrating high voltage and high speed bipolar transistors on a substrate and related structure Jun. 28, 2011
7811894 Bipolar junction transistor and manufacturing method thereof Oct. 12, 2010
7800143 Dynamic random access memory with an amplified capacitor Sep. 21, 2010
7777255 Bipolar transistor with raised base connection region and process for the production thereof Aug. 17, 2010
7767469 Magnetic random access memory and method of manufacturing the same Aug. 3, 2010
7741223 Semiconductor device with bulb type recess gate and method for fabricating the same Jun. 22, 2010
7495312 Method for producing vertical bipolar transistors and integrated circuit Feb. 24, 2009
7459368 Method for manufacturing integrated circuits having silicon-germanium heterobipolar transistors Dec. 2, 2008
7456070 Method of fabricating a bipolar transistor with high breakdown voltage collector Nov. 25, 2008
7449389 Method for fabricating a semiconductor structure Nov. 11, 2008
7327012 Bipolar Transistor Devices Feb. 5, 2008
7285469 Bipolar method and structure having improved BVCEO/RCS trade-off made with depletable collector columns Oct. 23, 2007
7271046 Method of making a semiconductor device in which a bipolar transistor and a metal silicide layer are formed on a substrate Sep. 18, 2007
7217628 High performance integrated vertical transistors and method of making the same May. 15, 2007
7192838 Method of producing complementary SiGe bipolar transistors Mar. 20, 2007
7144789 Method of fabricating complementary bipolar transistors with SiGe base regions Dec. 5, 2006
7109567 Semiconductor device and method of manufacturing such device Sep. 19, 2006
7071536 Semiconductor device and manufacturing method thereof Jul. 4, 2006
7060583 Method for manufacturing a bipolar transistor having a polysilicon emitter Jun. 13, 2006
7015085 Super self-aligned collector device for mono-and hetero bipolar junction transistors and method of making same Mar. 21, 2006
7001806 Semiconductor structure with increased breakdown voltage and method for producing the semiconductor structure Feb. 21, 2006
6992338 CMOS transistor spacers formed in a BiCMOS process Jan. 31, 2006
6984567 Nonvolatile semiconductor memory device and manufacturing method thereof Jan. 10, 2006
6977426 Semiconductor device including high speed transistors and high voltage transistors disposed on a single substrate Dec. 20, 2005
6940149 Structure and method of forming a bipolar transistor having a void between emitter and extrinsic base Sep. 6, 2005
6930008 Method of fabricating a complementary bipolar junction transistor Aug. 16, 2005
6888221 BICMOS technology on SIMOX wafers May. 3, 2005
6838348 Integrated process for high voltage and high performance silicon-on-insulator bipolar devices Jan. 4, 2005
6806129 Self-aligned process using indium gallium arsenide etching to form reentry feature in heterojunction bipolar transistors Oct. 19, 2004
6759303 Complementary vertical bipolar junction transistors fabricated of silicon-on-sapphire utilizing wide base PNP transistors Jul. 6, 2004
6740563 Amorphizing ion implant method for forming polysilicon emitter bipolar transistor May. 25, 2004
RE38510 Manufacturing process for a monolithic semiconductor device comprising at least one transistor of an integrated control circuit and one power transistor integrated on the same chip May. 4, 2004
6703685 Super self-aligned collector device for mono-and hetero bipolar junction transistors Mar. 9, 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
6683366 Bipolar transistor and related structure Jan. 27, 2004
6656809 Method to fabricate SiGe HBTs with controlled current gain and improved breakdown voltage characteristics Dec. 2, 2003
6645820 Polycrystalline silicon diode string for ESD protection of different power supply connections Nov. 11, 2003
6566217 Manufacturing process for semiconductor device May. 20, 2003

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