3515954

Information

• Patent Grant
• 3515954

• References
• Source

• Patent Number

  3,515,954

• Date Filed

  Not available

• Date Issued

  Tuesday, June 2, 1970
  54 years ago

• CPC

  • H01L21/40 - Alloying of impurity materials
  • H01L21/00 - Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
  • H01L21/383 - using diffusion into or out of a solid from or into a gaseous phase
  • H01L21/385 - using diffusion into or out of a solid from or into a solid phase

• US Classifications

  • 257 - Active solid-state devices
  • 148 - Metal treatment