2488369

Information

• Patent Grant
• 2488369

• References
• Source

• Patent Number

  2,488,369

• Date Filed

  Not available

• Date Issued

  Tuesday, November 15, 1949
  75 years ago

• CPC

  • H01L21/105 - Treatment of the surface of the selenium or tellurium layer after having been made conductive
  • H01L21/02425 - Conductive materials
  • H01L21/02439 - Materials
  • H01L21/02557 - Sulfides
  • H01L21/02625 - using melted materials
  • H01L21/02631 - Physical deposition at reduced pressure
  • H01L21/108 - Provision of discrete insulating layers

• US Classifications

  • 257 - Active solid-state devices
  • 136 - Batteries: thermoelectric and photoelectric
  • 438 - Semiconductor device manufacturing: process