2428055

Information

• Patent Grant
• 2428055

• References
• Source

• Patent Number

  2,428,055

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1947
  78 years ago

• CPC

  • C25D17/10 - Electrodes
  • C01B19/02 - Elemental selenium or tellurium
  • H01L21/10 - Preliminary treatment of the selenium or tellurium, its application to the foundation plate, or the subsequent treatment of the combination
  • H01L21/101 - Application of the selenium or tellurium to the foundation plate
  • H01L21/105 - Treatment of the surface of the selenium or tellurium layer after having been made conductive

• US Classifications

  • 204 - Chemistry: electrical and wave energy
  • 257 - Active solid-state devices