3831052

Information

• Patent Grant
• 3831052

• References
• Source

• Patent Number

  3,831,052

• Date Filed

  Not available

• Date Issued

  Tuesday, August 20, 1974
  50 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
  • H01S3/09707 - using an electron or ion beam
  • H01J2893/0066 - Construction, material, support, protection and temperature regulation of electrodes Electrode cups
  • H01J2893/0068 - electrode assembly with control electrodes

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 372 - Coherent light generators