3514602

Information

• Patent Grant
• 3514602

• References
• Source

• Patent Number

  3,514,602

• Date Filed

  Not available

• Date Issued

  Tuesday, May 26, 1970
  54 years ago

• CPC

  • H01J47/02 - Ionisation chambers
  • G01N23/22 - by measuring secondary emission
  • G01N23/223 - by irradiating the sample with X-rays or gamma-rays and by measuring X-ray fluorescence
  • G01N2223/053 - back scatter
  • G01N2223/076 - X-ray fluorescence
  • G01N2223/1013 - gamma
  • G01N2223/1016 - X-ray
  • G01N2223/202 - isotopes
  • G01N2223/313 - filters, rotating filter disc
  • G01N2223/317 - windows
  • G01N2223/502 - ionisation chamber
  • G01N2223/61 - thin films, coatings
  • G01N2223/633 - thickness, density, surface weight (unit area)

• US Classifications

  • 250 - Radiant energy
  • 313 - Electric lamp and discharge devices