Resources Contact Us Home
Browse by Category: Main > Physics
Class Information
Number: 257/E31.05
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 crystalline structure or plane (epo) > Including amorphous semiconductor (epo) > Including only group iv element (epo) > Having light-induced characteristic variation (e.g., staebler-wronski effect) (epo)
Description: This subclass is indented under subclass E31.048. This subclass is substantially the same in scope as ECLA classification H01L31/0376B3.

Patents under this class:

Patent Number Title Of Patent Date Issued
6743988 Optically controlled switches Jun. 1, 2004
6384319 Non-single-crystal solar cell May. 7, 2002
6147295 Sunlight energy conversion apparatus, and air circulation system Nov. 14, 2000
5230753 Photostable amorphous silicon-germanium alloys Jul. 27, 1993
5114498 Photovoltaic device May. 19, 1992
4965225 Method of stabilizing amorphous semiconductors Oct. 23, 1990
4799968 Photovoltaic device Jan. 24, 1989
4555586 Photovoltiac device having long term energy conversion stability and method of producing same Nov. 26, 1985
4371738 Method of restoring degraded solar cells Feb. 1, 1983

  Recently Added Patents
Semiconductor device and method for manufacturing same
System and method of creating and providing SMS http tagging
Soybean cultivar CL1013663
Method for producing an adhesive fastening element made of plastic
Printing control method and printer for printing on a label
Automated gate system
Integrated circuit package system with bonding lands
  Randomly Featured Patents
Pollution harness
Method and system for 3-D enhanced advertising for TV broadcast of 2-D video
Poly-substituted phthalocyanines
Composite printed circuit board substrate and process for its manufacture
Servomotor remote control switch
Modification method of polymer
Image formation apparatus and associated methodology for patch image frequency updating
Method, system and apparatus for selecting encryption levels based on policy profiling
Alpha 1-antitrypsin preparation as well as a method for producing the same
Laser drive circuit and recording apparatus using the same