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Class Information
Number: 257/E31.048
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Semiconductor devices responsive or sensitive to electromagnetic radiation (e.g., infrared radiation, adapted for conversion of radiation into electrical energy or for control of electrical energy by such radiation processes, or apparatus peculiar to manufacture or treatment of such devices, or of parts thereof) (epo) > Characterized by semiconductor body (epo) > Characterized by semiconductor body crystalline structure or plane (epo) > Including amorphous semiconductor (epo) > Including only group iv element (epo)
Description: This subclass is indented under subclass E31.047. This subclass is substantially the same in scope as ECLA classification H01L31/0376B.










Sub-classes under this class:

Class Number Class Name Patents
257/E31.05 Having light-induced characteristic variation (e.g., staebler-wronski effect) (epo) 9
257/E31.049 Including group iv compound (e.g., sige, sic) (epo) 51


Patents under this class:
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Patent Number Title Of Patent Date Issued
8704083 Photoelectric conversion device and fabrication method thereof Apr. 22, 2014
8592230 Method for patterning a substrate using ion assisted selective depostion Nov. 26, 2013
8541775 Schottky diode, resistive memory device having schottky diode and method of manufacturing the same Sep. 24, 2013
8421074 Semiconductor device with heterojunctions and an interdigitated structure Apr. 16, 2013
8349644 Mono-silicon solar cells Jan. 8, 2013
8080825 Image sensor and method for manufacturing the same Dec. 20, 2011
7999250 Silicon-germanium-carbon semiconductor structure Aug. 16, 2011
7955890 Methods for forming an amorphous silicon film in display devices Jun. 7, 2011
7927907 Method of making silicon solar cells containing .mu.C silicon layers Apr. 19, 2011
RE42157 Photoelectric converter, its driving method, and system including the photoelectric converter Feb. 22, 2011
7863075 Method for manufacturing solar cell Jan. 4, 2011
7863157 Method and structure for fabricating solar cells using a layer transfer process Jan. 4, 2011
7855089 Application specific solar cell and method for manufacture using thin film photovoltaic materials Dec. 21, 2010
7741144 Plasma treatment between deposition processes Jun. 22, 2010
RE39780 Photoelectric converter, its driving method, and system including the photoelectric converter Aug. 21, 2007
RE38727 Photoelectric conversion device and method of making the same Apr. 19, 2005
6831264 CMOS photodetector including an amorphous silicon photodiode and a saturation system Dec. 14, 2004
6677214 Semiconductor device and method of fabricating the same Jan. 13, 2004
6664566 Photoelectric conversion device and method of making the same Dec. 16, 2003
6503771 Semiconductor photoelectrically sensitive device Jan. 7, 2003
6436488 Chemical vapor deposition method for amorphous silicon and resulting film Aug. 20, 2002
RE37441 Photoelectric conversion device Nov. 13, 2001
6252157 Amorphous silicon-based thin film photovoltaic device Jun. 26, 2001
6225668 Semiconductor device having a single crystal gate electrode and insulation May. 1, 2001
6177706 Field-effect thin-film transistor device Jan. 23, 2001
6137120 Semiconductor device and method of fabricating the same Oct. 24, 2000
6106734 Micromachine manufacture using gas beam crystallization Aug. 22, 2000
6028264 Semiconductor having low concentration of carbon Feb. 22, 2000
6025252 Semiconductor device and method of fabricating the same Feb. 15, 2000
5741615 Light receiving member with non-single-crystal silicon layer containing Cr, Fe, Na, Ni and Mg Apr. 21, 1998
5738731 Photovoltaic device Apr. 14, 1998
5591987 Semiconductor MIS field effect transistor with semi-amorphous semiconductor material Jan. 7, 1997
5562781 Amorphous, hydrogenated carbon (a-C:H) photovoltaic cell Oct. 8, 1996
5556794 Method of manufacturing a semiconductor device having low sodium concentration Sep. 17, 1996
5536933 Light information device and method for producing the same Jul. 16, 1996
5521400 Semiconductor photoelectrically sensitive device with low sodium concentration May. 28, 1996
5516611 Light-receiving member and methods of producing light-receiving member May. 14, 1996
5468653 Photoelectric conversion device and method of making the same Nov. 21, 1995
5414275 Photoelectric converting device and image processing apparatus utilizing the same May. 9, 1995
5283207 Photoconductive material and photosensor employing the photoconductive material Feb. 1, 1994
5278015 Amorphous silicon film, its production and photo semiconductor device utilizing such a film Jan. 11, 1994
5258207 Amorphous silicon film, its production and photo semiconductor device utilizing such a film Nov. 2, 1993
5243216 Phototransistor Sep. 7, 1993
5206534 Photocell Apr. 27, 1993
5155567 Amorphous photoconductive material and photosensor employing the photoconductive material Oct. 13, 1992
5152833 Amorphous silicon film, its production and photo semiconductor device utilizing such a film Oct. 6, 1992
5114498 Photovoltaic device May. 19, 1992
5115123 Contact type photoelectric transducer May. 19, 1992
5091334 Semiconductor device Feb. 25, 1992
5051803 Diode and producing method thereof and contact image sensor device comprising the same Sep. 24, 1991

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