3337729

Information

• Patent Grant
• 3337729

• References
• Source

• Patent Number

  3,337,729

• Date Filed

  Not available

• Date Issued

  Tuesday, August 22, 1967
  57 years ago

• CPC

  • G01N27/005 - by determining the work function in vacuum
  • H01J37/256 - using scanning beams
  • H01J37/28 - with scanning beams

• US Classifications

  • 850 - Scanning-probe techniques or apparatus
  • 250 - Radiant energy