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:
Sep. 04, 2018
Filed:
Jun. 08, 2017
Applicant:
The University of North Carolina AT Chapel Hill, Chapel Hill, NC (US);
Inventors:
John Michael Ramsey, Chapel Hill, NC (US);
Kevin Philip Schultze, Chapel Hill, NC (US);
Bruno Jean-Bernard Coupier, Chapel Hill, NC (US);
Assignee:
The University of North Carolina at Chapel Hill, Chapel Hill, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 49/24 (2006.01); H01J 49/00 (2006.01); H01J 49/42 (2006.01);
U.S. Cl.
CPC ...
H01J 49/24 (2013.01); H01J 49/0022 (2013.01); H01J 49/424 (2013.01);
Abstract
Mass spectrometry systems include an ionizer, mass analyzer and the detector, with a high pressure chamber holding the mass analyzer and a separate chamber holding the detector to allow for differential background pressures where P<Pwhich generates gas flow through an unsealed, sealed or partially sealed ion trap and enhances detected signal relative to when P=P