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Class Information
Number: 438/170
Name: Semiconductor device manufacturing: process > Making field effect device having pair of active regions separated by gate structure by formation or alteration of semiconductive active regions > Having schottky gate (e.g., mesfet, hemt, etc.) > And bipolar device
Description: Process for making a bipolar transistor in addition to the Schottky gate field effect transistor.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8674382 Semiconductor light emitting device comprising heterojunction Mar. 18, 2014
8609502 Method of manufacturing semiconductor device including insulated gate bipolar transistor and diode Dec. 17, 2013
8507352 Method of manufacturing semiconductor device including insulated gate bipolar transistor and diode Aug. 13, 2013
8450162 HBT and field effect transistor integration May. 28, 2013
8440513 Method of semiconductor processing May. 14, 2013
8324713 Profile design for lateral-vertical bipolar junction transistor Dec. 4, 2012
8273629 Through-gate implant for body dopant Sep. 25, 2012
8232156 Vertical heterojunction bipolar transistors with reduced base-collector junction capacitance Jul. 31, 2012
8115256 Semiconductor device Feb. 14, 2012
8115280 Four-terminal gate-controlled LVBJTs Feb. 14, 2012
8076188 Method of manufacturing a semiconductor device Dec. 13, 2011
8071396 Embedded phase-change memory and method of fabricating the same Dec. 6, 2011
8026146 Method of manufacturing a bipolar transistor Sep. 27, 2011
8008727 Semiconductor integrated circuit device including a pad and first mosfet Aug. 30, 2011
7960758 Bipolar transistor and radio frequency amplifier circuit Jun. 14, 2011
7923318 HBT and field effect transistor integration Apr. 12, 2011
7893490 HVNMOS structure for reducing on-resistance and preventing BJT triggering Feb. 22, 2011
7875904 Protection circuit Jan. 25, 2011
7847410 Interconnect of group III-V semiconductor device and fabrication method for making the same Dec. 7, 2010
7800185 Closed trench MOSFET with floating trench rings as termination Sep. 21, 2010
7795102 ESD high frequency diodes Sep. 14, 2010
7795614 Device with phase-separated dielectric structure Sep. 14, 2010
7777257 Bipolar Schottky diode and method Aug. 17, 2010
7719031 Heterojunction biploar transistor and method for manufacturing same May. 18, 2010
7701038 High-gain vertex lateral bipolar junction transistor Apr. 20, 2010
7646039 SOI field effect transistor having asymmetric junction leakage Jan. 12, 2010
7642621 Semicondutor device and protection circuit Jan. 5, 2010
7541231 Integration of SiGe NPN and vertical PNP devices on a substrate Jun. 2, 2009
7402494 Method for fabricating high voltage semiconductor device Jul. 22, 2008
7226844 Method of manufacturing a bipolar transistor with a single-crystal base contact Jun. 5, 2007
7157320 Semiconductor device and process of production of same Jan. 2, 2007
7132320 Method for manufacturing semiconductor device Nov. 7, 2006
7098093 HEMT device and method of making Aug. 29, 2006
6989301 Method for manufacturing semiconductor device Jan. 24, 2006
6867079 Method for manufacturing semiconductor device Mar. 15, 2005
6852580 Method of fabricating semiconductor device Feb. 8, 2005
6746928 Method for opening a semiconductor region for fabricating an HBT Jun. 8, 2004
6703284 Methods for fabricating a compound semiconductor protection device for low voltage and high speed data lines Mar. 9, 2004
6689648 Semiconductor device having silicon on insulator and fabricating method therefor Feb. 10, 2004
6649458 Method for manufacturing semiconductor device with hetero junction bipolar transistor Nov. 18, 2003
6613620 Semiconductor device and method of manufacturing the same Sep. 2, 2003
6573172 Methods for improving carrier mobility of PMOS and NMOS devices Jun. 3, 2003
6537887 Integrated circuit fabrication Mar. 25, 2003
6524899 Process for forming a large area, high gate current HEMT diode Feb. 25, 2003
6465804 High power bipolar transistor with emitter current density limiter Oct. 15, 2002
6391696 Field effect transistor and method of manufacturing thereof May. 21, 2002
6372594 Fabrication method of submicron gate using anisotropic etching Apr. 16, 2002
6063655 Junction high electron mobility transistor-heterojunction bipolar transistor (JHEMT-HBT) monolithic microwave integrated circuit (MMIC) and single growth method of fabrication May. 16, 2000
5920773 Method for making integrated heterojunction bipolar/high electron mobility transistor Jul. 6, 1999
5391504 Method for producing integrated quasi-complementary bipolar transistors and field effect transistors Feb. 21, 1995

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