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Class Information
Number: 257/E21.372
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) > Bipolar thin film transistor (epo)
Description: This subclass is indented under subclass E21.37. This subclass is substantially the same in scope as ECLA classification H01L21/331E.

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
7605027 Method of fabricating a bipolar transistor Oct. 20, 2009
7601570 Method for producing a device comprising a structure equipped with one or more microwires or nanowires based on a Si and Ge compound by germanium condensation Oct. 13, 2009
7579201 Liquid crystal display device and method of fabricating the same Aug. 25, 2009
7566904 Thin film transistor having oxide semiconductor layer and manufacturing method thereof Jul. 28, 2009
7554140 Nand-type non-volatile memory device Jun. 30, 2009
7550328 Method for production of thin-film semiconductor device Jun. 23, 2009
7538004 Method of fabrication for SiGe heterojunction bipolar transistor (HBT) May. 26, 2009
7498620 Integration of phosphorus emitter in an NPN device in a BiCMOS process Mar. 3, 2009
7470571 Thin film transistor array substrate and method of producing the same Dec. 30, 2008
7459352 Semiconductor device, and manufacturing method thereof Dec. 2, 2008
7452782 Image TFT array of a direct X-ray image sensor and method of fabricating the same Nov. 18, 2008
7442616 Method of manufacturing a bipolar transistor and bipolar transistor thereof Oct. 28, 2008
7439135 Self-aligned body contact for a semiconductor-on-insulator trench device and method of fabricating same Oct. 21, 2008
7422916 Method of manufacturing thin film transistor panel Sep. 9, 2008
7397108 Bipolar transistor Jul. 8, 2008
7382021 Insulated gate field-effect transistor having III-VI source/drain layer(s) Jun. 3, 2008
7351615 Method of fabricating a MIS transistor Apr. 1, 2008
7316942 Flexible active matrix display backplane and method Jan. 8, 2008
7297992 Method and structure for integration of phosphorous emitter in an NPN device in a BiCMOS process Nov. 20, 2007
7285457 Heterojunction bipolar transistor and manufacturing method thereof Oct. 23, 2007
7259047 Method for manufacturing organic thin-film transistor with plastic substrate Aug. 21, 2007
7148090 Method of fabricating a TFT device formed by printing Dec. 12, 2006
7026221 Method of forming semiconductor device with bipolar transistor having lateral structure Apr. 11, 2006
6949764 Fully-depleted-collector silicon-on-insulator (SOI) bipolar transistor useful alone or in SOI BiCMOS Sep. 27, 2005
6909155 Semiconductor on insulator device Jun. 21, 2005
6885067 SOI semiconductor device Apr. 26, 2005
6849871 Fully-depleted-collector silicon-on-insulator (SOI) bipolar transistor useful alone or in SOI BiCMOS Feb. 1, 2005
6838348 Integrated process for high voltage and high performance silicon-on-insulator bipolar devices Jan. 4, 2005
6812533 SOI based bipolar transistor having a majority carrier accumulation layer as subcollector Nov. 2, 2004
6790722 Logic SOI structure, process and application for vertical bipolar transistor Sep. 14, 2004
6774455 Semiconductor device with a collector contact in a depressed well-region Aug. 10, 2004
6770952 Integrated process for high voltage and high performance silicon-on-insulator bipolar devices Aug. 3, 2004
6750513 Semiconductor device for driving plasma display panel Jun. 15, 2004
6724066 High breakdown voltage transistor and method Apr. 20, 2004
6680232 Trench etch with incremental oxygen flow Jan. 20, 2004
6570240 Semiconductor device having a lateral bipolar transistor and method of manufacturing same May. 27, 2003
6500721 Bipolar thin-film transistors and method for forming Dec. 31, 2002
6376880 High-speed lateral bipolar device in SOI process Apr. 23, 2002
6326292 Semiconductor component and manufacturing method for semiconductor component Dec. 4, 2001
6323538 Bipolar transistor and method for fabricating the same Nov. 27, 2001
6303961 Complementary semiconductor devices Oct. 16, 2001
6300220 Process for fabricating isolation structure for IC featuring grown and buried field oxide Oct. 9, 2001
6246104 Semiconductor device and method for manufacturing the same Jun. 12, 2001
6235601 Method of manufacturing a self-aligned vertical bipolar transistor May. 22, 2001
6232649 Bipolar silicon-on-insulator structure and process May. 15, 2001
6174779 Method for manufacturing a lateral bipolar transistor Jan. 16, 2001
6140195 Method for fabricating a lateral collector structure on a buried oxide layer Oct. 31, 2000
6001711 Process of fabricating semiconductor device having gettering site layer between insulating layer and active semiconductor layer Dec. 14, 1999
5936278 Semiconductor on silicon (SOI) transistor with a halo implant Aug. 10, 1999
5920108 Late process method and apparatus for trench isolation Jul. 6, 1999

1 2 3 4

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