2468131

Information

• Patent Grant
• 2468131

• References
• Source

• Patent Number

  2,468,131

• Date Filed

  Not available

• Date Issued

  Tuesday, April 26, 1949
  75 years ago

• CPC

  • H01L21/10 - Preliminary treatment of the selenium or tellurium, its application to the foundation plate, or the subsequent treatment of the combination
  • H01L21/105 - Treatment of the surface of the selenium or tellurium layer after having been made conductive
  • H01L21/108 - Provision of discrete insulating layers

• US Classifications

  • 438 - Semiconductor device manufacturing: process
  • 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
  • 257 - Active solid-state devices