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Class Information
Number: 257/E31.047
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)
Description: This subclass is indented under subclass E31.04. This subclass is substantially the same in scope as ECLA classification H01L31/0376.


Sub-classes under this class:

Class Number Class Name Patents
257/E31.048 Including only group iv element (epo) 71


Patents under this class:

Patent Number Title Of Patent Date Issued
7582515 Multi-junction solar cells and methods and apparatuses for forming the same Sep. 1, 2009
7439544 Structure and manufacturing method of an image TFT array Oct. 21, 2008
7298024 Transparent amorphous carbon structure in semiconductor devices Nov. 20, 2007
7145172 Thin film transistor array substrate Dec. 5, 2006
7119368 Thin film transistor array panel and manufacturing method thereof Oct. 10, 2006
7038242 Amorphous semiconductor open base phototransistor array May. 2, 2006
6952022 Image sensor comprising thin film transistor optical sensor having offset region Oct. 4, 2005
6803080 Method of forming crystalline silicon film by CVD Oct. 12, 2004
6495817 Radiation detecting apparatus having an electrodeless region Dec. 17, 2002
6171643 Method of producing multilayer plate for x-ray imaging Jan. 9, 2001
5986285 Group III-V amorphous and microcrystalline optical semiconductor including hydrogen, and method of forming thereof Nov. 16, 1999
5888452 Hydrogenated amorphous silicon alloys Mar. 30, 1999
5880472 Multilayer plate for x-ray imaging and method of producing same Mar. 9, 1999
5610094 Photoelectric conversion device Mar. 11, 1997
5591987 Semiconductor MIS field effect transistor with semi-amorphous semiconductor material Jan. 7, 1997
5507881 Thin-film solar cell and method of manufacturing same Apr. 16, 1996
5140397 Amorphous silicon photoelectric device Aug. 18, 1992
5091334 Semiconductor device Feb. 25, 1992
4499331 Amorphous semiconductor and amorphous silicon photovoltaic device Feb. 12, 1985
4491682 Amorphous silicon photovoltaic device including a two-layer transparent electrode Jan. 1, 1985
4464415 Photoelectric conversion semiconductor manufacturing method Aug. 7, 1984
4450316 Amorphous silicon photovoltaic device having two-layer transparent electrode May. 22, 1984
4409134 Photoelectric conversion semiconductor and manufacturing method thereof Oct. 11, 1983
4177474 High temperature amorphous semiconductor member and method of making the same Dec. 4, 1979
4173497 Amorphous lead dioxide photovoltaic generator Nov. 6, 1979
4024558 Photovoltaic heterojunction device employing a glassy amorphous material as an active layer May. 17, 1977
4003075 Glass electronic devices employing ion-doped insulating glassy amorphous material Jan. 11, 1977



 
 
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