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Browse by Category: Main > Physics
Class Information
Number: 257/E21.46
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 other than carbon, si, ge, sic, se, te, cu 2 o, cui, and group iii-v compounds with or without impurities, e.g., doping materials (epo) > Multistep process (epo)
Description: This subclass is indented under subclass E21.459. This subclass is substantially the same in scope as ECLA classification H01L21/34B.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8664036 Semiconductor device and manufacturing method thereof Mar. 4, 2014
8664653 Semiconductor device and method for manufacturing semiconductor device Mar. 4, 2014
8647919 Light-emitting display device and method for manufacturing the same Feb. 11, 2014
8624238 Thin-film transistor substrate and method of fabricating the same Jan. 7, 2014
8617920 Semiconductor device and manufacturing method thereof Dec. 31, 2013
8603857 Thin film transistor fabricating method Dec. 10, 2013
8581244 Oxide thin film transistors and methods of manufacturing the same Nov. 12, 2013
8557645 Semiconductor device with a gate electrode having a shape formed based on a slope and gate lower opening and method of manufacturing the same Oct. 15, 2013
8536571 Manufacturing method of semiconductor device Sep. 17, 2013
8507330 Thin film transistor Aug. 13, 2013
8492756 Semiconductor device and method for manufacturing the same Jul. 23, 2013
8470638 Thin film transistor array panel and manufacturing method thereof Jun. 25, 2013
8450144 Semiconductor device and method for manufacturing the same May. 28, 2013
8450145 Nonvolatile semiconductor memory device and method for producing the same May. 28, 2013
8426868 Semiconductor device and method for manufacturing the same Apr. 23, 2013
8395149 Semiconductor device structure and method for manufacturing the same Mar. 12, 2013
8313980 Semiconductor device and manufacturing method thereof Nov. 20, 2012
8288768 Thin film transistor, method of manufacturing the same, and flat panel display device having the same Oct. 16, 2012
8278657 Transistor, semiconductor device including the transistor, and manufacturing method of the transistor and the semiconductor device Oct. 2, 2012
8247812 Transistor, semiconductor device including the transistor, and manufacturing method of the transistor and the semiconductor device Aug. 21, 2012
8242498 Compound semiconductor substrate, semiconductor device, and processes for producing them Aug. 14, 2012
8158975 Semiconductor device and manufacturing method thereof Apr. 17, 2012
8154024 Field effect transistor using amorphous oxide film as channel layer, manufacturing method of field effect transistor using amorphous oxide film as channel layer, and manufacturing method of am Apr. 10, 2012
8148242 Oxidation after oxide dissolution Apr. 3, 2012
8138548 Thin film transistor array substrate and method for manufacturing the same Mar. 20, 2012
8110436 Method for manufacturing field-effect transistor Feb. 7, 2012
8030101 Process for producing an epitaxial layer of galium nitride Oct. 4, 2011
7998828 Method of forming metal ion transistor Aug. 16, 2011
7994573 Structure and method for forming power devices with carbon-containing region Aug. 9, 2011
7956361 Field effect transistor using amorphous oxide film as channel layer, manufacturing method of field effect transistor using amorphous oxide film as channel layer, and manufacturing method of am Jun. 7, 2011
7935582 Field effect transistor using amorphous oxide film as channel layer, manufacturing method of field effect transistor using amorphous oxide film as channel layer, and manufacturing method of am May. 3, 2011
7923722 Thin film transistors and methods of manufacturing the same Apr. 12, 2011
7875494 Semiconductor device and manufacturing method thereof Jan. 25, 2011
7863609 Compound semiconductor substrate, semiconductor device, and processes for producing them Jan. 4, 2011
7803670 Twisted dual-substrate orientation (DSO) substrates Sep. 28, 2010
7791074 Field effect transistor using amorphous oxide film as channel layer, manufacturing method of field effect transistor using amorphous oxide film as channel layer, and manufacturing method of am Sep. 7, 2010
7682939 Method for the preparation of group IB-IIIA-VIA quaternary or higher alloy semiconductor films Mar. 23, 2010
7585698 Thin film transistor having oxide semiconductor layer and manufacturing method thereof Sep. 8, 2009
7560296 Process for producing an epitalixal layer of galium nitride Jul. 14, 2009
6989336 Process for laminating a dielectric layer onto a semiconductor Jan. 24, 2006
6083812 Heteroepitaxy by large surface steps Jul. 4, 2000
6043113 Method of forming self-aligned thin film transistor Mar. 28, 2000
5731598 Single electron tunnel device and method for fabricating the same Mar. 24, 1998
5534719 HGCDTE thin film transistor Jul. 9, 1996
5403760 Method of making a HgCdTe thin film transistor Apr. 4, 1995
5314847 Semiconductor substrate surface processing method using combustion flame May. 24, 1994
5274263 FET structure for use in narrow bandgap semiconductors Dec. 28, 1993
4968638 Semiconductor devices Nov. 6, 1990
4597001 Thin film field-effect transistors with tolerance to electrode misalignment Jun. 24, 1986
4411981 Method for forming a pattern in a thin-film transistor having tellurium semiconductor layer Oct. 25, 1983

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