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:
Nov. 15, 2005

Filed:

Aug. 23, 2002
Applicants:

LI Ding, Sale, GB;

Michael Sudakov, Sale, GB;

Inventors:

Li Ding, Sale, GB;

Michael Sudakov, Sale, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J049/42 ;
U.S. Cl.
CPC ...
Abstract

A method of trapping ions using a quadrupole ion trap device includes applying quadrupole excitation to trapped precursor ions causing them to be driven into the ring electrode where they undergo surface induced dissociation. The resultant product ions are then trapped within the ion trap device.


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