2977256

Information

• Patent Grant
• 2977256

• References
• Source

• Patent Number

  2,977,256

• Date Filed

  Not available

• Date Issued

  Tuesday, March 28, 1961
  65 years ago

• CPC

  • H01L21/24 - Alloying of impurity materials
  • C30B31/00 - Diffusion or doping processes for single crystals or homogeneous polycrystalline material with defined structure Apparatus therefor
  • H01L21/00 - Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
  • H01L21/18 - the devices having semiconductor bodies comprising elements of the fourth group of the Periodic System or AIIIBV compounds with or without impurities
  • H01L29/36 - characterised by the concentration or distribution of impurities in the bulk material
  • Y10S148/039 - Displace P-N junction
  • Y10S438/919 - Compensation doping
  • Y10S438/955 - Melt-back

• US Classifications

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