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. 16, 2003
Filed:
Jul. 18, 2002
Marvin L. Vestal, Framingham, MA (US);
PerSeptive Biosystems, Inc., Framingham, MA (US);
Abstract
A tandem time-of-flight mass spectrometer is described. The tandem time-of-flight mass spectrometer includes a pulsed ion source that generates a plurality of ions. A first time-of-flight mass separator accelerates the plurality of ions, fragments at least a portion of the accelerated plurality of ions, and then selects a first group of ions and fragments thereof. A second time-of-flight mass separator accelerates the first group of ions and fragments thereof, fragments at least a portion of the accelerated first group of ions and fragments thereof, and then selects a second group of ions and fragments thereof. A third time-of-flight mass separator accelerates the second group of ions and fragments thereof. An ion detector detects the second group of ions and fragments thereof from the third time-of-flight mass separator.