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:
Oct. 09, 2007
Filed:
Jun. 22, 2005
Applicants:
Gangqiang LI, Palo Alto, CA (US);
Alexander Mordehai, Santa Clara, CA (US);
Inventors:
Gangqiang Li, Palo Alto, CA (US);
Alexander Mordehai, Santa Clara, CA (US);
Assignee:
Agilent Technologies, Inc., Santa Clara, unknown;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 49/42 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus and method for correcting deviations in a quadrupole field in a quadrupole ion trap is provided. More specifically the invention provides for correction electrodes positioned in at least one primary quadrupole electrode and a method of using the correction electrodes to provide a field correction potential.