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:
May. 04, 2010
Filed:
May. 17, 2006
Applicants:
Charles L. Jolliffe, Schomberg, CA;
Frank Londry, Peterborough, CA;
Alexandre V. Loboda, North York, CA;
Inventors:
Charles L. Jolliffe, Schomberg, CA;
Frank Londry, Peterborough, CA;
Alexandre V. Loboda, North York, CA;
Assignees:
MDS Inc., Concord, Ontario, CA;
Applied Biosystems (Canada) Limited, Toronto, Ontario, CA;
Primary Examiner:
Int. Cl.
CPC ...
B01D 59/44 (2006.01); H01J 49/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A mass spectrometer system and a method of operating a mass spectrometer are provided. An RF field is produced between the plurality of rods to radially confine the ions in the rod set. The RF field has a resolving DC component field. The resolving DC component field is varied along at least a portion of a length of the rod set to provide a DC axial force acting on the ions.