3930155

Information

• Patent Grant
• 3930155

• References
• Source

• Patent Number

  3,930,155

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1975
  49 years ago

• CPC

  • H01J49/322 - with a magnetic sector of 90 degrees
  • H01J37/252 - Tubes for spot-analysing by electron or ion beams Microanalysers
  • H01J49/142 - using a solid target which is not previously vapourised

• US Classifications

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