3198012

Information

• Patent Grant
• 3198012

• References
• Source

• Patent Number

  3,198,012

• Date Filed

  Not available

• Date Issued

  Tuesday, August 3, 1965
  59 years ago

• CPC

  • H01C7/04 - having negative temperature coefficient
  • G05F1/63 - using variable impedances in series with the load as final control devices
  • H01L21/00 - Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof

• US Classifications

  • 374 - Thermal measuring and testing
  • 250 - Radiant energy
  • 252 - Compositions
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems