3866042

Information

• Patent Grant
• 3866042

• References
• Source

• Patent Number

  3,866,042

• Date Filed

  Not available

• Date Issued

  Tuesday, February 11, 1975
  50 years ago

• CPC

  • H01J49/28 - Static spectrometers
  • H01J49/286 - with energy analysis
  • H01J49/324 - with an electrostatic section of 90 degrees

• US Classifications

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