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:
Jan. 16, 2018

Filed:

Nov. 28, 2014
Applicant:

Dh Technologies Development Pte Ltd., Singapore, SG;

Inventors:

Robert Haufler, Toronto, CA;

Martian Dima, Richmond Hill, CA;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 49/40 (2006.01); H01J 49/16 (2006.01); H01J 49/00 (2006.01);
U.S. Cl.
CPC ...
H01J 49/40 (2013.01); H01J 49/0095 (2013.01);
Abstract

A mass spectrometer and method is provided for a time-of-flight analyzer (TOF) having an accelerator stage with a plurality of electrodes to receive and accelerate a plurality of ions, and a drift chamber downstream of the accelerator stage for receiving at least a portion of the accelerated ions. The TOF analyzer also has a pulser coupled to the accelerator stage for applying one or more voltages to the plurality of electrodes and a controller coupled to the pulser to adjust one or more voltages applied to the electrodes to configure the accelerator stage to receive and accelerate positive and negative ions during different cycles of an ion detection period.


Find Patent Forward Citations

Loading…