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Class Information
Number: 257/E31.006
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) > In different semiconductor regions (e.g., cu 2 x/cdx heterojunction and x being group vi element) (epo) > Comprising only cu 2 x/cdx heterojunction and x being group vi element (epo)
Description: This subclass is indented under subclass E31.005. This subclass is substantially the same in scope as ECLA classification H01L31/0336B.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8384179 Black silicon based metal-semiconductor-metal photodetector Feb. 26, 2013
7947524 Humidity control and method for thin film photovoltaic materials May. 24, 2011
7518142 Encapsulation for organic device Apr. 14, 2009
4812416 Method for executing a reproducible glow discharge Mar. 14, 1989
4739383 Optical detector and amplifier based on tandem semiconductor devices Apr. 19, 1988
4735909 Method for forming a polycrystalline monolayer Apr. 5, 1988
4709119 Photovoltaic cell and method of making same Nov. 24, 1987
4611091 CuInSe.sub.2 thin film solar cell with thin CdS and transparent window layer Sep. 9, 1986
4609567 High efficiency stable CdS-Cu.sub.2 S solar cells manufacturing process using thick film methodology Sep. 2, 1986
4564398 Optimized photovoltaic effect Jan. 14, 1986
4536607 Photovoltaic tandem cell Aug. 20, 1985
RE31968 Methods for forming thin-film heterojunction solar cells from I-III-VI.sub. 2 Aug. 13, 1985
4463215 Cadmium sulphide solar cell Jul. 31, 1984
4412091 Polycrystalline photovoltaic cell Oct. 25, 1983
4404734 Method of making a CdS/Cu.sub.x S photovoltaic cell Sep. 20, 1983
4403398 Method of manufacturing a cadmium sulphide photo-voltaic device Sep. 13, 1983
4393267 Method for improving the efficiency of a solar cell and an improved cadmium sulfide/copper sulfide photovoltaic cell Jul. 12, 1983
4392451 Apparatus for forming thin-film heterojunction solar cells employing materials selected from the class of I-III-VI.sub.2 chalcopyrite compounds Jul. 12, 1983
4377604 Copper stabilized dipping solution for a photovoltaic device incorporating a Cu.sub.x S layer Mar. 22, 1983
4366336 Age and heat stabilized photovoltaic cells Dec. 28, 1982
4362896 Polycrystalline photovoltaic cell Dec. 7, 1982
4360542 Process for the preparation of thin films of cadmium sulfide and precursor solutions of cadmium ammonia thiocyanate complex useful therein Nov. 23, 1982
4336285 Method to synthesize and produce thin films by spray pyrolysis Jun. 22, 1982
4335266 Methods for forming thin-film heterojunction solar cells from I-III-VI.sub. 2 Jun. 15, 1982
4320154 Method of forming solar cells by grid contact isolation Mar. 16, 1982
4318938 Method for the continuous manufacture of thin film solar cells Mar. 9, 1982
4313022 Solar cell array Jan. 26, 1982
4307681 Apparatus for quality film formation Dec. 29, 1981
4304607 Photovoltaic cell Dec. 8, 1981
4287383 Cadmium sulfide photovoltaic cell of improved efficiency Sep. 1, 1981
4283591 Photovoltaic cell Aug. 11, 1981
4283590 Method for production of solar cells and solar cells produced thereby Aug. 11, 1981
4267398 Thin film photovoltaic cells May. 12, 1981
4265933 Photovoltaic cell May. 5, 1981
4262411 Method of making a solar cell array Apr. 21, 1981
4260428 Photovoltaic cell Apr. 7, 1981
4254546 Photovoltaic cell array Mar. 10, 1981
4251286 Thin film photovoltaic cells having blocking layers Feb. 17, 1981
RE30504 Photovoltaic cell Feb. 3, 1981
4243432 Solar cell array Jan. 6, 1981
4239553 Thin film photovoltaic cells having increased durability and operating life and method for making same Dec. 16, 1980
4225408 Process for electrolytically preparing a semiconducting film on a flexible substrate Sep. 30, 1980
4204933 Electrocoating process for producing a semiconducting film May. 27, 1980
4178395 Methods for improving solar cell open circuit voltage Dec. 11, 1979
RE30147 Method of coating a glass ribbon on a liquid float bath Nov. 13, 1979
4167805 Cuprous sulfide layer formation for photovoltaic cell Sep. 18, 1979
4159914 Photovoltaic cell Jul. 3, 1979
4143235 Cadmium sulfide photovoltaic cell and method of fabrication Mar. 6, 1979
RE29812 Photovoltaic cell Oct. 24, 1978
4120705 Vacuum deposition process for fabricating a CdS--Cu.sub.2 S heterojunction solar cell device Oct. 17, 1978

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