2644915

Information

• Patent Grant
• 2644915

• References
• Source

• Patent Number

  2,644,915

• Date Filed

  Not available

• Date Issued

  Tuesday, July 7, 1953
  71 years ago

• CPC

  • H01L21/08 - Preparation of the foundation plate
  • H01L21/02425 - Conductive materials
  • H01L21/02491 - Conductive materials
  • H01L21/02521 - Materials
  • H01L21/02631 - Physical deposition at reduced pressure

• US Classifications

  • 257 - Active solid-state devices