2787745

Information

• Patent Grant
• 2787745

• References
• Source

• Patent Number

  2,787,745

• Date Filed

  Not available

• Date Issued

  Tuesday, April 2, 1957
  67 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
  • H01L21/105 - Treatment of the surface of the selenium or tellurium layer after having been made conductive

• US Classifications

  • 257 - Active solid-state devices