2504226

Information

• Patent Grant
• 2504226

• References
• Source

• Patent Number

  2,504,226

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1950
  75 years ago

• CPC

  • H01L21/105 - Treatment of the surface of the selenium or tellurium layer after having been made conductive
  • H01L21/02521 - Materials
  • H01L21/02617 - Deposition types
  • H01L21/02667 - Crystallisation or recrystallisation of non-monocrystalline semiconductor materials

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 257 - Active solid-state devices
  • 313 - Electric lamp and discharge devices
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing