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:
Jul. 21, 2009
Filed:
Feb. 28, 2007
Applicant:
Robert K. Crawford, Palo Alto, CA (US);
Inventor:
Robert K. Crawford, Palo Alto, CA (US);
Assignee:
Agilent Technologies, Inc., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 49/42 (2006.01); B01D 59/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides, inter alia, a multipole ion guide for moving and guiding ions, particularly in a mass spectrometer. The multipole ion guide comprises multiple rods with a resistive coating, and radio frequency (RF) and direct current (DC) voltages applying to the resistive coating of each rod. Devices and systems comprising the multipole ion guide, as well as methods of use thereof, are also provided.