3417240

Information

• Patent Grant
• 3417240

• References
• Source

• Patent Number

  3,417,240

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1968
  56 years ago

• CPC

  • G01N23/22 - by measuring secondary emission
  • G01N2223/07 - secondary emission
  • G01N2223/1006 - different radiations
  • G01N2223/101 - electromagnetic radiation
  • G01N2223/1013 - gamma
  • G01N2223/1016 - X-ray
  • G01N2223/6462 - microdefects

• US Classifications

  • 250 - Radiant energy
  • 378 - X-ray or gamma ray systems or devices