The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 11, 2002
Filed:
Apr. 30, 1999
Applicant:
Inventor:
Mahadeva P. Sinha, Temple City, CA (US);
Assignee:
California Institute of Technology, Pasadena, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 4/930 ;
U.S. Cl.
CPC ...
H01J 4/930 ;
Abstract
Temperature compensation for a magnetic sector used in mass spectrometry. A high temperature dependant magnetic sector is used. This magnetic sector is compensated by a magnetic shunt that has opposite temperature characteristics to those of the magnet.