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Class Information
Number: 257/E31.015
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 ii-vi compound (e.g., cds, zns, hgcdte) (epo)
Description: This subclass is indented under subclass E31.004. This subclass is substantially the same in scope as ECLA classification H01L31/0296.










Sub-classes under this class:

Class Number Class Name Patents
257/E31.016 For device having potential or surface barrier (epo) 14
257/E31.018 Including ternary compound (e.g., hgcdte) (epo) 80


Patents under this class:

Patent Number Title Of Patent Date Issued
8673672 Method for making Cu2-xSe nanoparticles and method for making deposited Cu2-xSe thin film by electrophoresis Mar. 18, 2014
8673678 Process of making a thin-film photovoltaic device and thin-film photovoltaic device Mar. 18, 2014
8643058 Electro-optical device including nanocrystals Feb. 4, 2014
8586457 Method of fabricating high efficiency CIGS solar cells Nov. 19, 2013
8575750 Semiconductor detector element configuration for very high efficiency gamma-ray detection Nov. 5, 2013
8518737 Methods and apparatus for real-time monitoring of cadmium ion during solution growth of cadmium sulfide thin films Aug. 27, 2013
8440497 Fabricating kesterite solar cells and parts thereof May. 14, 2013
8390086 Solar cell employing a nanowire Mar. 5, 2013
8372681 Ultraviolet sensor Feb. 12, 2013
8344371 Ultraviolet sensor Jan. 1, 2013
8318530 Solar cell buffer layer having varying composition Nov. 27, 2012
8313972 Photodetector using nanoparticles Nov. 20, 2012
8252618 Methods of manufacturing cadmium telluride thin film photovoltaic devices Aug. 28, 2012
8247686 Multi-layer N-type stack for cadmium telluride based thin film photovoltaic devices and methods of making Aug. 21, 2012
8187963 Method of forming back contact to a cadmium telluride solar cell May. 29, 2012
8188562 Multi-layer N-type stack for cadmium telluride based thin film photovoltaic devices and methods of making May. 29, 2012
8093095 Semiconductor device with a bulk single crystal on a substrate Jan. 10, 2012
8093671 Semiconductor device with a bulk single crystal on a substrate Jan. 10, 2012
8072801 Method for creating nonequilibrium photodetectors with single carrier species barriers Dec. 6, 2011
8044476 Wide range radiation detector and manufacturing method Oct. 25, 2011
8039290 Method of making photovoltaic cell Oct. 18, 2011
8026124 Method for fabricating copper/indium/gallium/selenium solar cell by wet process under non-vacuum condition Sep. 27, 2011
8017976 Barrier for doped molybdenum targets Sep. 13, 2011
7928420 Phase change tip storage cell Apr. 19, 2011
7804149 Nanostructured ZnO electrodes for efficient dye sensitized solar cells Sep. 28, 2010
7795068 Method of making integrated circuit (IC) including at least one storage cell Sep. 14, 2010
7518207 Molecular beam epitaxy growth of ternary and quaternary metal chalcogenide films Apr. 14, 2009
7485488 Biomimetic approach to low-cost fabrication of complex nanostructures of metal oxides by natural oxidation at low-temperature Feb. 3, 2009
6208005 Mercury-based quaternary alloys of infrared sensitive materials Mar. 27, 2001
6204088 Glue-free backside illuminated photodiode apparatus and fabrication process Mar. 20, 2001
6081019 Semiconductor diode with suppression of auger generation processes Jun. 27, 2000
6069360 Method and apparatus for electron-only radiation detectors from semiconductor materials May. 30, 2000
5920409 Optoelectronic devices using persistent photoconductivity Jul. 6, 1999
5101109 Persistent photoconductivity quenching effect crystals and electrical apparatus using same Mar. 31, 1992
5091765 Photoconductive cell with zinc oxide tetrapod crystals Feb. 25, 1992
5072122 Charge storage image device using persistent photoconductivity crystals Dec. 10, 1991
4522469 Liquid crystal light valve structures Jun. 11, 1985











 
 
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