3486221

Information

• Patent Grant
• 3486221

• References
• Source

• Patent Number

  3,486,221

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1969
  55 years ago

• CPC

  • H01L21/00 - Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
  • H01C17/2404 - by charged particle impact
  • H01L21/56 - Encapsulations
  • H01L2924/0002 - Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
  • Y10T29/49099 - Coating resistive material on a base

• US Classifications

  • 029 - Metal working
  • 219 - Electric heating
  • 313 - Electric lamp and discharge devices
  • 438 - Semiconductor device manufacturing: process