2903631

Information

• Patent Grant
• 2903631

• References
• Source

• Patent Number

  2,903,631

• Date Filed

  Not available

• Date Issued

  Tuesday, September 8, 1959
  65 years ago

• CPC

  • H01L21/12 - Application of an electrode to the exposed surface of the selenium or tellurium after the selenium or tellurium has been applied to the foundation plate
  • H01L21/06 - the devices having semiconductor bodies comprising selenium or tellurium in uncombined form other than as impurities in semiconductor bodies of other materials
  • H01L21/108 - Provision of discrete insulating layers

• US Classifications

  • 257 - Active solid-state devices
  • 136 - Batteries: thermoelectric and photoelectric
  • 204 - Chemistry: electrical and wave energy
  • 438 - Semiconductor device manufacturing: process