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Class Information
Number: 257/E21.373
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Processes or apparatus adapted for manufacture or treatment of semiconductor or solid-state devices or of parts thereof (epo) > Manufacture or treatment of semiconductor device (epo) > Device having at least one potential-jump barrier or surface barrier, e.g., pn junction, depletion layer, carrier concentration layer (epo) > Device having semiconductor body comprising group iv elements or group iii-v compounds with or without impurities, e.g., doping materials (epo) > Multi-step process for manufacture of device of bipolar type, e.g., diodes, transistors, thyristors, resistors, capacitors) (epo) > Device comprising three or more electrodes (epo) > Transistor (epo) > Lateral transistor (epo)
Description: This subclass is indented under subclass E21.37. This subclass is substantially the same in scope as ECLA classification H01L21/331C.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8669640 Bipolar transistor Mar. 11, 2014
8557670 SOI lateral bipolar junction transistor having a wide band gap emitter contact Oct. 15, 2013
8502268 LDMOS structure Aug. 6, 2013
8431450 Methods and apparatus for LDMOS transistors Apr. 30, 2013
8319279 Semiconductor device Nov. 27, 2012
8124466 Process for manufacturing voltage-controlled transistor Feb. 28, 2012
8022506 SOI device with more immunity from substrate voltage Sep. 20, 2011
7932580 Semiconductor device and method of manufacturing the same Apr. 26, 2011
7868378 Methods and apparatus for LDMOS transistors Jan. 11, 2011
7808050 Semiconductor device with relatively high breakdown voltage and manufacturing method Oct. 5, 2010
7723172 Methods for manufacturing a trench type semiconductor device having a thermally sensitive refill material May. 25, 2010
7608909 Suspended transmission line structures in back end of line processing Oct. 27, 2009
7572707 Method of manufacturing NPN device Aug. 11, 2009
7541260 Trench diffusion isolation in semiconductor devices Jun. 2, 2009
7038249 Horizontal current bipolar transistor and fabrication method May. 2, 2006
6987039 Forming lateral bipolar junction transistor in CMOS flow Jan. 17, 2006
6949424 Single poly-emitter PNP using DWELL diffusion in a BiCMOS technology Sep. 27, 2005
6943426 Complementary analog bipolar transistors with trench-constrained isolation diffusion Sep. 13, 2005
6853048 Bipolar transistor having an isolation structure located under the base, emitter and collector and a method of manufacture thereof Feb. 8, 2005
6822314 Base for a NPN bipolar transistor Nov. 23, 2004
6740562 Manufacturing method of a semiconductor device having a polysilicon electrode May. 25, 2004
6730557 Semiconductor device and production thereof May. 4, 2004
6657279 PNP lateral bipolar electronic device and corresponding manufacturing process Dec. 2, 2003
6593629 Semiconductor device Jul. 15, 2003
6566733 Method and system for providing a power lateral PNP transistor using a buried power buss May. 20, 2003
6551869 Lateral PNP and method of manufacture Apr. 22, 2003
6501152 Advanced lateral PNP by implant negation Dec. 31, 2002
6489665 Lateral bipolar transistor Dec. 3, 2002
6437421 Self-aligned dual-base semiconductor process and structure incorporating multiple bipolar device types Aug. 20, 2002
6372596 Method of making horizontal bipolar transistor with insulated base structure Apr. 16, 2002
6372595 Lateral bipolar junction transistor with reduced parasitic current loss Apr. 16, 2002
6365957 Lateral bipolar transistor Apr. 2, 2002
6249031 High gain lateral PNP and NPN bipolar transistor and process compatible with CMOS for making BiCMOS circuits Jun. 19, 2001
6166426 Lateral bipolar transistors and systems using such Dec. 26, 2000
6146956 PNP lateral bipolar electronic device and corresponding manufacturing process Nov. 14, 2000
6127236 Method of forming a lateral bipolar transistor Oct. 3, 2000
6100151 Highly integrated bipolar junction transistors having trench-based emitter and base regions and methods of forming same Aug. 8, 2000
6093613 Method for making high gain lateral PNP and NPN bipolar transistor compatible with CMOS for making BICMOS circuits Jul. 25, 2000
6054741 Substrate and isulation/masking structure for a semiconductor device Apr. 25, 2000
5965923 Lateral bipolar transistor and apparatus using same Oct. 12, 1999
5945726 Lateral bipolar transistor Aug. 31, 1999
5585287 Method of forming integrated current-limiter device for power MOS transistors Dec. 17, 1996
5574306 Lateral bipolar transistor and FET Nov. 12, 1996
5554543 Process for fabricating bipolar junction transistor having reduced parasitic capacitance Sep. 10, 1996
5523607 Integrated current-limiter device for power MOS transistors Jun. 4, 1996
5455188 Process for fabricating a lateral bipolar junction transistor Oct. 3, 1995
5449627 Lateral bipolar transistor and FET compatible process for making it Sep. 12, 1995
5422509 Integrated current-limiter device for power MOS transistors Jun. 6, 1995
5408106 Lateral resonant tunneling transistor with heterojunction barriers Apr. 18, 1995
5404043 Semiconductor devices of the planar type bipolar transistors and combination bipolar/MIS type transistors Apr. 4, 1995

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