3106641

Information

• Patent Grant
• 3106641

• References
• Source

• Patent Number

  3,106,641

• Date Filed

  Not available

• Date Issued

  Tuesday, October 8, 1963
  61 years ago

• CPC

  • G01N23/22 - by measuring secondary emission
  • G01N2223/03 - by transmission
  • G01N2223/202 - isotopes
  • G01N2223/204 - source created from radiated target
  • G01N2223/622 - paper
  • G01N2223/633 - thickness, density, surface weight (unit area)
  • G01N2223/642 - moving sheet, web

• US Classifications

  • 250 - Radiant energy