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Class Information
Number: 438/335
Name: Semiconductor device manufacturing: process > Forming bipolar transistor by formation or alteration of semiconductive active regions > Forming lateral transistor structure
Description: Process for making a bipolar transistor wherein the transistor has a horizontal structure resulting in current flow between its emitter and collector parallel to a major surface of the semiconductor substrate.










Sub-classes under this class:

Class Number Class Name Patents
438/337 Active region formed along groove or exposed edge in semiconductor 60
438/336 Combined with vertical bipolar transistor 65
438/338 Having multiple emitter or collector structure 44
438/339 Self-aligned 88


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8686505 Lateral semiconductor device and manufacturing method therefor Apr. 1, 2014
8669640 Bipolar transistor Mar. 11, 2014
8659117 Lateral power diode with self-biasing electrode Feb. 25, 2014
8546229 Methods for fabricating bipolar transistors with improved gain Oct. 1, 2013
8460976 Manufacturing method of SOI high-voltage power device Jun. 11, 2013
8431450 Methods and apparatus for LDMOS transistors Apr. 30, 2013
8404552 Microscopic spectrum apparatus Mar. 26, 2013
8377788 SiGe heterojunction bipolar transistor and method of forming a SiGe heterojunction bipolar transistor Feb. 19, 2013
8377755 Method for fabricating SOI high voltage power chip with trenches Feb. 19, 2013
8236642 Fully isolated high-voltage MOS device Aug. 7, 2012
8173510 Lateral drain-extended MOSFET having channel along sidewall of drain extension dielectric May. 8, 2012
8164096 Organic light emitting diode flat panel display device having uniform electrical characteristics and method of manufacturing the same Apr. 24, 2012
8153515 Methods of fabricating strain balanced nitride heterojunction transistors Apr. 10, 2012
8129249 Integrated transistor, particularly for voltages and method for the production thereof Mar. 6, 2012
8030167 Varied impurity profile region formation for varying breakdown voltage of devices Oct. 4, 2011
8021952 Integrated transistor, particularly for voltages and method for the production thereof Sep. 20, 2011
7998779 Solid-state imaging device and method of fabricating solid-state imaging device Aug. 16, 2011
7989301 Semiconductor device with bipolar transistor and method of fabricating the same Aug. 2, 2011
7888732 Lateral drain-extended MOSFET having channel along sidewall of drain extension dielectric Feb. 15, 2011
7868378 Methods and apparatus for LDMOS transistors Jan. 11, 2011
7851320 Mesostructured aluminosilicate material Dec. 14, 2010
7816763 BJT and method for fabricating the same Oct. 19, 2010
7663166 Wire-type semiconductor devices and methods of fabricating the same Feb. 16, 2010
7642169 Method of making a bipolar junction transistor Jan. 5, 2010
7579245 Dual-gate metal-oxide-semiconductor device Aug. 25, 2009
7572707 Method of manufacturing NPN device Aug. 11, 2009
7482238 Method for manufacturing semiconductor device Jan. 27, 2009
7462547 Method of fabricating a bipolar transistor having reduced collector-base capacitance Dec. 9, 2008
7446012 Lateral PNP transistor and the method of manufacturing the same Nov. 4, 2008
7422952 Method of forming a BJT with ESD self protection Sep. 9, 2008
7384802 ESD protection device for high voltage Jun. 10, 2008
7271070 Method for producing transistors Sep. 18, 2007
7217609 Semiconductor fabrication process, lateral PNP transistor, and integrated circuit May. 15, 2007
7208386 Drain extended MOS transistor with improved breakdown robustness Apr. 24, 2007
7187056 Radiation hardened bipolar junction transistor Mar. 6, 2007
7169660 Lithography-independent fabrication of small openings for forming vertical mos transistor Jan. 30, 2007
7141478 Multi-stage EPI process for forming semiconductor devices, and resulting device Nov. 28, 2006
7098113 Method and system for providing a power lateral PNP transistor using a buried power buss Aug. 29, 2006
7026221 Method of forming semiconductor device with bipolar transistor having lateral structure Apr. 11, 2006
6987039 Forming lateral bipolar junction transistor in CMOS flow Jan. 17, 2006
6930009 Laser synthesized wide-bandgap semiconductor electronic devices and circuits Aug. 16, 2005
6927102 Semiconductor device and method of forming a semiconductor device Aug. 9, 2005
6902967 Integrated circuit with a MOS structure having reduced parasitic bipolar transistor action Jun. 7, 2005
6821870 Heterojunction bipolar transistor and method for fabricating the same Nov. 23, 2004
6791155 Stress-relieved shallow trench isolation (STI) structure and method for forming the same Sep. 14, 2004
6777302 Nitride pedestal for raised extrinsic base HBT process Aug. 17, 2004
6767842 Implementation of Si-Ge HBT with CMOS process Jul. 27, 2004
6767810 Method to increase substrate potential in MOS transistors used in ESD protection circuits Jul. 27, 2004
6706567 High voltage device having polysilicon region in trench and fabricating method thereof Mar. 16, 2004
6692982 Optical semiconductor integrated circuit device and manufacturing method for the same Feb. 17, 2004

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