3534234

Information

• Patent Grant
• 3534234

• References
• Source

• Patent Number

  3,534,234

• Date Filed

  Not available

• Date Issued

  Tuesday, October 13, 1970
  54 years ago

• CPC

  • H01L29/7325 - having an emitter-base junction leaving at a main surface and a base-collector junction leaving at a peripheral surface of the body
  • H01L21/00 - Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
  • H01L21/32 - using masks
  • H01L23/485 - consisting of layered constructions comprising conductive layers and insulating layers
  • H01L27/00 - Devices consisting of a plurality of semiconductor or other solid state components formed in or on a common substrate
  • H01L29/0821 - Collector regions of bipolar transistors
  • H01L2924/0002 - Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
  • Y10S148/026 - Deposition thru hole in mask
  • Y10S148/031 - Diffusion at an edge
  • Y10S148/085 - Isolated-integrated
  • Y10S148/114 - Nitrides of silicon
  • Y10S148/117 - Oxidation, selective

• US Classifications

  • 257 - Active solid-state devices
  • 148 - Metal treatment
  • 438 - Semiconductor device manufacturing: process