3518484

Information

• Patent Grant
• 3518484

• References
• Source

• Patent Number

  3,518,484

• Date Filed

  Not available

• Date Issued

  Tuesday, June 30, 1970
  54 years ago

• CPC

  • H01J3/025 - Electron guns using a discharge in a gas or a vapour as electron source
  • H01J17/066 - Cold cathodes
  • H01J17/44 - having one or more control electrodes
  • H01J37/077 - Electron guns using discharge in gases or vapours as electron sources
  • H01J2893/0066 - Construction, material, support, protection and temperature regulation of electrodes Electrode cups
  • H01J2893/0068 - electrode assembly with control electrodes

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 219 - Electric heating