3009841

Information

• Patent Grant
• 3009841

• References
• Source

• Patent Number

  3,009,841

• Date Filed

  Not available

• Date Issued

  Tuesday, November 21, 1961
  63 years ago

• CPC

  • H01L21/314 - Inorganic layers
  • H01L21/00 - Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
  • H01L21/22 - Diffusion of impurity materials
  • H01L21/24 - Alloying of impurity materials
  • H01L21/322 - to modify their internal properties
  • Y10S148/138 - Roughened surface
  • Y10S438/923 - Diffusion through a layer
  • Y10S438/974 - Substrate surface preparation

• US Classifications

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