2814709

Information

• Patent Grant
• 2814709

• References
• Source

• Patent Number

  2,814,709

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1957
  67 years ago

• CPC

  • H01L21/14 - Treatment of the complete device

• US Classifications

  • 438 - Semiconductor device manufacturing: process
  • 219 - Electric heating
  • 257 - Active solid-state devices