3499142

Information

• Patent Grant
• 3499142

• References
• Source

• Patent Number

  3,499,142

• Date Filed

  Not available

• Date Issued

  Tuesday, March 3, 1970
  54 years ago

• CPC

  • H01J49/466 - using crossed electric and magnetic fields perpendicular to the beam
  • G01N23/20 - by using diffraction of the radiation

• US Classifications

  • 250 - Radiant energy