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.

Date of Patent:
Oct. 14, 2025

Filed:

Apr. 02, 2024
Applicant:

Thermo Fisher Scientific (Bremen) Gmbh, Bremen, DE;

Inventors:

Hamish Stewart, Bremen, DE;

Dmitry Grinfeld, Bremen, DE;

Philipp Cochems, Bremen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 49/40 (2006.01); H01J 49/06 (2006.01);
U.S. Cl.
CPC ...
H01J 49/40 (2013.01); H01J 49/06 (2013.01);
Abstract

A voltage supply for a mass analyser is provided. The voltage supply comprises a voltage source, a first voltage output, a second voltage output, and a voltage divider network. The first voltage output is configured to provide a first voltage to a first electrode of the mass analyser, wherein the first electrode of the mass analyser has a first mass shift per volt perturbation. The second voltage output is configured to provide a second voltage to a second electrode of the mass analyser, wherein the second electrode of the mass analyser has a second mass shift per volt perturbation. The second mass shift per volt perturbation opposes the first mass shift per volt perturbation. The voltage divider network comprises a first resistor and a second resistor.


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