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Class Information
Number: 257/E31.009
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) > Selenium or tellurium (epo) > For device having potential or surface barrier (epo)
Description: This subclass is indented under subclass E31.008. This subclass is substantially the same in scope as ECLA classification H01L31/0272B.

Patents under this class:

Patent Number Title Of Patent Date Issued
8652870 Method of fabricating CIGS by selenization at high temperature Feb. 18, 2014
8617916 Chemical bath deposition method for fabrication of semiconductor films Dec. 31, 2013
8324031 Diffusion barrier and method of formation thereof Dec. 4, 2012
7679158 Radiation image detector Mar. 16, 2010
7538340 Low side emitting light source and method of making the same May. 26, 2009
4341954 Photo-electric converting apparatus Jul. 27, 1982
4259122 Selenium photovoltaic device Mar. 31, 1981
4121981 Electrochemical method for forming a selenium-tellurium layer in a photoreceptor Oct. 24, 1978
4064522 High efficiency selenium heterojunction solar cells Dec. 20, 1977
3990095 Selenium rectifier having hexagonal polycrystalline selenium layer Nov. 2, 1976

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