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:
Dec. 28, 2010
Filed:
Apr. 21, 2006
Craig M. Whitehouse, Branford, CT (US);
David G. Welkie, Branford, CT (US);
Gholamreza Javahery, Branford, CT (US);
Lisa Cousins, Branford, CT (US);
Craig M. Whitehouse, Branford, CT (US);
David G. Welkie, Branford, CT (US);
Gholamreza Javahery, Branford, CT (US);
Lisa Cousins, Branford, CT (US);
PerkinElmer Health Sciences, Inc., Waltham, MA (US);
Abstract
A mass spectrometer includes an ion source and at least one vacuum stage, a means for delivering ions from the ion source to the vacuum stage, a collision cell, a detector, at least two multipole ion guide segments, and independent RF frequency and DC voltage sources applied to the multipole ion guide segments, the RF frequency and DC voltage sources being controlled independently of each other.