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.

Date of Patent:
Jun. 10, 2008

Filed:

May. 13, 2005
Applicants:

Kevin M. Hayden, Newton, NH (US);

Marvin L. Vestal, Framingham, MA (US);

Inventors:

Kevin M. Hayden, Newton, NH (US);

Marvin L. Vestal, Framingham, MA (US);

Assignees:

Applera Corporation, Framington, MA (US);

MDS Inc., Concord, Ontario, CA;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 59/44 (2006.01); H01J 49/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

In various embodiments, provided are methods for focusing ions for an ion fragmentor, and methods for operating an ion optics assembly. In various embodiments, the present teachings provide methods that substantially maintain the position of the focal point of the an incoming ion beam over a wide range of collision energies, and thereby provide a collimated ion beam for a collision cell over a wide range of energies. In various embodiments, the present teachings provide methods that facilitate decreasing ion transmission losses over a wide range of collision energies.


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