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. 30, 2014
Filed:
Dec. 21, 2011
Eloy R. Wouters, San Jose, CA (US);
Alexander A. Makarov, Bremen, DE;
R. Paul Atherton, San Jose, CA (US);
Jean Jacques Dunyach, San Jose, CA (US);
Eloy R. Wouters, San Jose, CA (US);
Alexander A. Makarov, Bremen, DE;
R. Paul Atherton, San Jose, CA (US);
Jean Jacques Dunyach, San Jose, CA (US);
Thermo Finnigan LLC, San Jose, CA (US);
Abstract
An ion transfer tube for a mass spectrometer comprises a core member and a first jacket tube member at least partially enclosing the core member and providing one or more channels therethrough. A method of forming an ion transfer tube, comprises: providing a first jacket tube member having a length and an internal bore, the internal bore passing along the length and defining an interior surface of circular cross section; removing at least one portion of the first jacket tube member adjacent to the interior surface so as to form at least one groove, channel, slot, recess or embayment of or in the interior surface; and providing a core member within the bore of the jacket tube member such that remnant portions of the interior surface of circular cross section mate against portions of an exterior surface of the core member.