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:
Nov. 13, 2007
Filed:
Jan. 02, 2003
Gary M. Hieftje, Bloomington, IN (US);
Steven J. Ray, Bloomington, IN (US);
Gary M. Hieftje, Bloomington, IN (US);
Steven J. Ray, Bloomington, IN (US);
Indiana University Research and Technology Corporation, Indianapolis, IN (US);
Abstract
A method and apparatus for operating a mass spectrometer include providing at least two different ion sources, and coupling ion streams simultaneously from the at least two different ion sources to the spectrometer. Another method of operating a spectrometer includes a first coupling an ion stream from a first one of the ion sources into the spectrometer, next coupling an ion stream from a second one of the ion sources into the spectrometer, next coupling an ion stream from the second one of the ion sources into the spectrometer, and next coupling an ion stream from the first one of the ion sources into the spectrometer.