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:
Mar. 03, 2020
Filed:
Dec. 18, 2017
Applicant:
Agilent Technologies, Inc., Santa Clara, CA (US);
Inventors:
Harry F. Prest, Mountain View, CA (US);
Charles W. Russ, IV, Sunnyvale, CA (US);
Assignee:
Agilent Technologies, Inc., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 49/10 (2006.01); H01J 49/00 (2006.01); G01N 30/72 (2006.01);
U.S. Cl.
CPC ...
H01J 49/0031 (2013.01); G01N 30/7206 (2013.01); H01J 49/10 (2013.01);
Abstract
In a mass spectrometer or gas chromatograph/mass spectrometer system, one or more different conditioning gases are added to condition or modify one or more surfaces or regions of the ion source. The conditioning gas(es) may be added directly into the ion source. The conditioning gas may be added off-line, when the mass spectrometer is not analyzing a sample.