3723694

Information

• Patent Grant
• 3723694

• References
• Source

• Patent Number

  3,723,694

• Date Filed

  Not available

• Date Issued

  Tuesday, March 27, 1973
  51 years ago

• CPC

  • H01C17/30 - adapted for baking
  • H01C7/006 - Thin film resistors
  • H01C17/00 - Apparatus or processes specially adapted for manufacturing resistors
  • H01C17/08 - by vapour deposition
  • H01C17/2408 - by pulsed voltage erosion
  • H01C17/2416 - by chemical etching
  • H01L49/02 - Thin-film or thick-film devices
  • H05K2203/171 - Tuning

• US Classifications

  • 219 - Electric heating