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Combined distance-of-flight and time-of-flight mass spectrometer

United States Patent

February 11, 2014
View the Complete Patent at the US Patent & Trademark Office
Pacific Northwest National Laboratory - Visit the Technology Commercialization Program Website
A combined distance-of-flight mass spectrometry (DOFMS) and time-of-flight mass spectrometry (TOFMS) instrument includes an ion source configured to produce ions having varying mass-to-charge ratios, a first detector configured to determine when each of the ions travels a predetermined distance, a second detector configured to determine how far each of the ions travels in a predetermined time, and a detector extraction region operable to direct portions of the ions either to the first detector or to the second detector.
Enke; Christie G. (Placitas, NM), Ray; Steven J. (Bloomington, IN), Graham; Alexander W. (Bloomington, IN), Hieftje; Gary M. (Bloomington, IN), Barinaga; Charles J. (West Richland, WA), Koppenaal; David W. (Richland, WA)
13/ 695,675
May 3, 2011
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with government support under Grant Nos. DE-AC05-76RL01830 and DE-FG02-98ER14890 awarded by the Department of Energy. The U.S. Government has certain rights in the invention.