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:
Jun. 01, 2021
Filed:
Mar. 03, 2020
Applicants:
Ching Wu, Boxborough, MA (US);
Mark A. Osgood, Wilton, NH (US);
Inventors:
Ching Wu, Boxborough, MA (US);
Mark A. Osgood, Wilton, NH (US);
Assignee:
Excellims Corp., Acton, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 49/06 (2006.01); H01J 49/00 (2006.01); C07B 63/00 (2006.01); G01N 27/622 (2021.01);
U.S. Cl.
CPC ...
H01J 49/061 (2013.01); C07B 63/00 (2013.01); G01N 27/622 (2013.01); H01J 49/0027 (2013.01);
Abstract
An ion mobility spectrometry apparatus and method used to separate ions and select some of the ions using an AC gate; the selected ions are further separated along a drift axis of a drift tube, where the AC gate is controlled using a series of AC voltages and/or frequencies to select different ions for the drift tube.