2669767

Information

• Patent Grant
• 2669767

• References
• Source

• Patent Number

  2,669,767

• Date Filed

  Not available

• Date Issued

  Tuesday, February 23, 1954
  70 years ago

• CPC

  • H01L21/105 - Treatment of the surface of the selenium or tellurium layer after having been made conductive
  • H01L21/02521 - Materials
  • H01L21/02667 - Crystallisation or recrystallisation of non-monocrystalline semiconductor materials

• US Classifications

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