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Class Information
Number: 257/E31.027
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 compound other than group ii-vi, iii-v, and iv compound (epo) > Comprising only group i-iii-vi chalcopyrite compound (e.g., cuinse 2 , cugase 2 , cuingase 2 ) (epo)
Description: This subclass is indented under subclass E31.026. This subclass is substantially the same in scope as ECLA classification H01L31/032C.

Sub-classes under this class:

Class Number Class Name Patents
257/E31.028 Characterized by doping material (epo) 12

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8709856 Enhancement of semiconducting photovoltaic absorbers by the addition of alkali salts through solution coating techniques Apr. 29, 2014
8691619 Laminated structure for CIS based solar cell, and integrated structure and manufacturing method for CIS based thin-film solar cell Apr. 8, 2014
8673672 Method for making Cu2-xSe nanoparticles and method for making deposited Cu2-xSe thin film by electrophoresis Mar. 18, 2014
8673675 Humidity control and method for thin film photovoltaic materials Mar. 18, 2014
8653616 Photoelectric conversion device Feb. 18, 2014
8643027 Milled particle compositions and related methods and structures Feb. 4, 2014
8633556 Solid-state imaging device and method for making the same, and manufacturing substrate for solid-state imaging device Jan. 21, 2014
8617916 Chemical bath deposition method for fabrication of semiconductor films Dec. 31, 2013
8610129 Compound semiconductor image sensor Dec. 17, 2013
8610133 Photodetection device Dec. 17, 2013
8592933 Photoelectric conversion device, fabrication method for the same, and solid state imaging device Nov. 26, 2013
8585933 Methods for AIGS silver-containing photovoltaics Nov. 19, 2013
8585932 Methods and articles for AIGS silver-containing photovoltaics Nov. 19, 2013
8586398 Sodium-incorporation in solar cell substrates and contacts Nov. 19, 2013
8569101 Method for forming an absorber layer of a thin film solar cell Oct. 29, 2013
8569102 Method of manufacturing high density CIS thin film for solar cell and method of manufacturing thin film solar cell using the same Oct. 29, 2013
8546172 Laser polishing of a back contact of a solar cell Oct. 1, 2013
8531867 Conductive filament based memory elements and methods with improved data retention and/or endurance Sep. 10, 2013
8501519 Method of production of CIS-based thin film solar cell Aug. 6, 2013
8487291 Programmable metallization memory cell with layered solid electrolyte structure Jul. 16, 2013
8440497 Fabricating kesterite solar cells and parts thereof May. 14, 2013
8361823 Light-emitting nanocomposite particles Jan. 29, 2013
8318530 Solar cell buffer layer having varying composition Nov. 27, 2012
8309390 Method of manufacturing a photovoltaic device and system for patterning an object Nov. 13, 2012
8299510 Solid state imaging device and fabrication method for the same Oct. 30, 2012
8293567 CIGS solar cell having thermal expansion buffer layer and method for fabricating the same Oct. 23, 2012
8173475 Method of producing photoelectric conversion device having a multilayer structure formed on a substrate May. 8, 2012
8119506 Group 6a/group 3a ink and methods of making and using same Feb. 21, 2012
8026124 Method for fabricating copper/indium/gallium/selenium solar cell by wet process under non-vacuum condition Sep. 27, 2011
7956416 Integrated circuitry Jun. 7, 2011
7947524 Humidity control and method for thin film photovoltaic materials May. 24, 2011
7923281 Roll-to-roll processing method and tools for electroless deposition of thin layers Apr. 12, 2011
7893419 Processing phase change material to improve programming speed Feb. 22, 2011
7863074 Patterning electrode materials free from berm structures for thin film photovoltaic cells Jan. 4, 2011
7829930 Semiconductor device with ion movement control Nov. 9, 2010
7569417 Method of forming a phase changeable material layer, a method of manufacturing a phase changeable memory unit, and a method of manufacturing a phase changeable semiconductor memory device Aug. 4, 2009
7535019 Optoelectronic fiber May. 19, 2009
7323734 Phase changeable memory cells Jan. 29, 2008
7323356 LnCuO(S,Se,Te)monocrystalline thin film, its manufacturing method, and optical device or electronic device using the monocrystalline thin film Jan. 29, 2008
7288781 Programmable structure, an array including the structure, and methods of forming the same Oct. 30, 2007
7112836 Method of forming a chalcogenide memory cell having a horizontal electrode and a memory cell produced by the method Sep. 26, 2006
7026258 Method for making thin-film semiconductors based on I-III-VI.sub.2 compounds, for photovoltaic applications Apr. 11, 2006
7018858 Light absorbing layer producing method Mar. 28, 2006
7019208 Method of junction formation for CIGS photovoltaic devices Mar. 28, 2006
6951770 Method of manufacturing a photovoltaic foil Oct. 4, 2005
6875468 Method and device for treating and/or coating a surface of an object Apr. 5, 2005
6797874 Layers, coatings or films synthesized using precursor layer exerted pressure containment Sep. 28, 2004
6787012 Apparatus for the synthesis of layers, coatings or films Sep. 7, 2004
6720239 Synthesis of layers, coatings or films using precursor layer exerted pressure containment Apr. 13, 2004
6566162 Method of producing Cu (In, Ga) (Se, S) 2 semiconductor film May. 20, 2003

1 2 3

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