Resources Contact Us Home
Browse by Category: Main > Physics
Class Information
Number: 257/E27.003
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Device consisting of a plurality of semiconductor or other solid state components formed in or on a common substrate, e.g., integrated circuit device (epo) > Including bulk negative resistance effect component (epo) > Including gunn-effect device (epo)
Description: This subclass is indented under subclass E27.002. This subclass is substantially the same in scope as ECLA classification H01L27/26B.

Patents under this class:

Patent Number Title Of Patent Date Issued
4145624 Fet-teld combination with capacitively coupled output electrode means Mar. 20, 1979
4107718 Bulk semiconductor logic device Aug. 15, 1978
4047199 Semiconductor device Sep. 6, 1977

  Recently Added Patents
Method for using directing cells for specific stem/progenitor cell activation and differentiation
Method for olympic event hospitality program management
Email certificates
Method for controlled layer transfer
Semiconductor device having a plurality of elements on one semiconductor substrate and method of manufacturing the same
Message transfer apparatus, output method, and computer program product
Processing data using information embedded in a data request
  Randomly Featured Patents
Tetrafluoropropene production processes
Submersible pumps
Counting biological agents on biological growth plates
Crossconnect terminal block
Combined vacuum cleaner hose and rack
Bearing assembly for a vehicle hub
Semiconductor optical device and the fabrication method
Shooting and carrying sling for guns
Feeds for transmission lines
Plating apparatus