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Class Information
Number: 257/E31.011
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 material (epo) > Inorganic materials (epo) > Including, apart from doping material or other impurity, only group iv element (epo)
Description: This subclass is indented under subclass E31.004. This subclass is substantially the same in scope as ECLA classification H01L31/028.










Sub-classes under this class:

Class Number Class Name Patents
257/E31.014 Characterized by doping material (epo) 61
257/E31.013 Comprising porous silicon as part of active layer (epo) 11
257/E31.012 For device having potential or surface barrier (epo) 29


Patents under this class:

Patent Number Title Of Patent Date Issued
8618612 Integrated circuits based on aligned nanotubes Dec. 31, 2013
8603855 Optoelectronic devices and applications thereof Dec. 10, 2013
8598447 Photoelectric conversion device Dec. 3, 2013
8354291 Integrated circuits based on aligned nanotubes Jan. 15, 2013
8338857 Germanium/silicon avalanche photodetector with separate absorption and multiplication regions Dec. 25, 2012
8288196 Process for fabricating a silicon-based thin-film photovoltaic cell Oct. 16, 2012
8241940 Double-sided reusable template for fabrication of semiconductor substrates for photovoltaic cell and microelectronics device manufacturing Aug. 14, 2012
8188512 Growth of germanium epitaxial thin film with negative photoconductance characteristics and photodiode using the same May. 29, 2012
8154028 Infrared external photoemissive detector Apr. 10, 2012
7999344 Optoelectronic device with germanium photodetector Aug. 16, 2011
7915082 Semiconductor device Mar. 29, 2011
7884372 Diamond UV-Ray sensor Feb. 8, 2011
7812355 Semiconductor device and method for manufacturing the same, liquid crystal television, and EL television Oct. 12, 2010
7790495 Optoelectronic device with germanium photodetector Sep. 7, 2010
7776640 Image sensing device and packaging method thereof Aug. 17, 2010
7696592 Solid state imaging apparatus method for fabricating the same and camera using the same Apr. 13, 2010
7651880 Ge short wavelength infrared imager Jan. 26, 2010
7638351 Photodiode with fiber mode dispersion compensation Dec. 29, 2009
6552405 Photoelectric conversion device and manufacturing method thereof Apr. 22, 2003
6369438 Semiconductor device and method for manufacturing the same Apr. 9, 2002
6307242 Semiconductor photo-detector with square-shaped optical wave-guide Oct. 23, 2001
6204522 Switching device Mar. 20, 2001
6037614 Methods for manufacturing group IV element alloy semiconductor materials and devices that include such materials Mar. 14, 2000
5693151 Photovoltaic device Dec. 2, 1997
5665423 Method for manufacturing a photodetector for sensing light having a wavelength within a wide range Sep. 9, 1997
5569626 Piezo-optical pressure sensitive switch and methods for fabricating the same Oct. 29, 1996
5406081 Infrared detector utilizing diamond film Apr. 11, 1995
5387803 Piezo-optical pressure sensitive switch with porous material Feb. 7, 1995
5298749 Infrared detector utilizing diamond film Mar. 29, 1994
4860074 Alternating gradient photodetector Aug. 22, 1989
4511783 Method for making electrical contacts to diamond by means of a laser, and diamond provided with contacts according to this optical method Apr. 16, 1985











 
 
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