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:
Nov. 16, 2015
Thermo Finnigan Llc, San Jose, CA (US);
James M. Hitchcock, Pflugerville, TX (US);
Scott T. Quarmby, Round Rock, TX (US);
Thermo Finnigan LLC, San Jose, CA (US);
Abstract
An ion source for a mass spectrometer comprises: an evacuated chamber having an interior receiving a gaseous sample effluent stream; a source of light pulses of pulse width 150 femtoseconds or less; a window of the evacuated chamber through which the light pulses pass into the evacuated chamber interior; one or more mirrors within the evacuated chamber disposed such that the light pulses are reflected from each of the one or mirrors such that the reflected pulses are caused to focus at one or more focal regions within the effluent stream within the evacuated chamber interior; and a pair of electrodes disposed at opposite sides of the one or more focal regions.