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:
Jul. 24, 2012
Filed:
May. 20, 2010
Applicants:
Christian Berg, Roslindale, MA (US);
Desmond Allen Kaplan, Billerica, MA (US);
Karsten Michelmann, Bremen, DE;
Inventors:
Christian Berg, Roslindale, MA (US);
Desmond Allen Kaplan, Billerica, MA (US);
Karsten Michelmann, Bremen, DE;
Assignee:
Bruker Daltonik GmbH, Bremen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 49/26 (2006.01); B01D 59/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a linear ion trap, ions with two polarities are confined radially via an RF potential between the rods comprising the trap. Axially, ions of at least one polarity are confined via DC potentials applied to the elements of the trap or electrodes at the ends of the trap whereas ions of the other polarity are axially confined by a combination of pseudopotentials and/or DC potentials.