3664893

Information

• Patent Grant
• 3664893

• References
• Source

• Patent Number

  3,664,893

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1972
  52 years ago

• CPC

  • H01L27/1027 - Thyristors
  • G11C11/39 - using thyristors or the avalanche or negative resistance type
  • G11C17/08 - using semiconductor devices
  • H01L21/82 - to produce devices
  • H01L29/00 - Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier
  • Y10S148/085 - Isolated-integrated
  • Y10S148/155 - Solid solubility
  • Y10S148/157 - Special diffusion and profiles

• US Classifications

  • 438 - Semiconductor device manufacturing: process
  • 148 - Metal treatment
  • 257 - Active solid-state devices
  • 427 - Coating processes