3683194

Information

• Patent Grant
• 3683194

• References
• Source

• Patent Number

  3,683,194

• Date Filed

  Not available

• Date Issued

  Tuesday, August 8, 1972
  52 years ago

• CPC

  • H01J31/501 - with an electrostatic electron optic system
  • H01J29/622 - producing fields exhibiting symmetry of revolution

• US Classifications

  • 250 - Radiant energy