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:
Aug. 02, 2011
Filed:
Feb. 09, 2009
Applicants:
Armin Holle, Achim, DE;
Jens Hörndorf, Bremen, DE;
Inventors:
Armin Holle, Achim, DE;
Jens Hörndorf, Bremen, DE;
Assignee:
Bruker Daltonik GmbH, Bremen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 49/10 (2006.01); H01J 27/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
In an ion source that generates ions by matrix-assisted laser desorption (MALDI), ion acceleration diaphragms having apertures though which ions are accelerated and which have become contaminated by matrix material, are cleaned by temporarily heating the diaphragms. During the cleaning process, the sample support plate is moved aside but remains in the ion source housing, and the heating is preferably limited to regions surrounding the apertures in the diaphragms. In one embodiment, the diaphragms are heated by irradiation generated by infrared laser diodes.