2479301

Information

• Patent Grant
• 2479301

• References
• Source

• Patent Number

  2,479,301

• Date Filed

  Not available

• Date Issued

  Tuesday, August 16, 1949
  75 years ago

• CPC

  • H01L21/101 - Application of the selenium or tellurium to the foundation plate
  • H01L21/02521 - Materials
  • H01L21/02625 - using melted materials
  • 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

  • 257 - Active solid-state devices
  • 252 - Compositions