2508161

Information

• Patent Grant
• 2508161

• References
• Source

• Patent Number

  2,508,161

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1950
  74 years ago

• CPC

  • H01L21/164 - Oxidation and subsequent heat treatment of the foundation plate
  • H01L21/02565 - Oxide semiconducting materials not being Group 12/16 materials
  • H01L21/02614 - Transformation of metal

• US Classifications

  • 148 - Metal treatment
  • 257 - Active solid-state devices