2133745

Information

• Patent Grant
• 2133745

• References
• Source

• Patent Number

  2,133,745

• Date Filed

  Not available

• Date Issued

  Tuesday, October 18, 1938
  86 years ago

• CPC

  • H01L21/165 - Reduction of the copper oxide, treatment of the oxide layer
  • H01L21/02565 - Oxide semiconducting materials not being Group 12/16 materials
  • H01L21/02614 - Transformation of metal

• US Classifications

  • 438 - Semiconductor device manufacturing: process
  • 252 - Compositions
  • 257 - Active solid-state devices
  • 427 - Coating processes