3440425

Information

• Patent Grant
• 3440425

• References
• Source

• Patent Number

  3,440,425

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1969
  56 years ago

• CPC

  • H01L47/023 - controlled by electromagnetic radiation
  • H01L47/00 - Bulk negative resistance effect devices

• US Classifications

  • 398 - Optical communications
  • 250 - Radiant energy
  • 257 - Active solid-state devices
  • 331 - Oscillators