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. 29, 2014
Filed:
Jul. 28, 2011
Andrew Bowdler, Staffordshire, GB;
Andrew Bowdler, Staffordshire, GB;
Kratos Analytical Limited, Manchester, GB;
Abstract
The present invention is concerned with methods and apparatuses for generating mass spectrum data using a mass spectrometer by subtracting noise mass spectrum data representative of noise in the mass spectrometer from signal mass spectrum data representative of the mass/charge ratio of ions in a sample material. This produces a modified signal mass spectrum data representative of the mass/charge ratio of ions in the sample material. The method includes acquiring and subtracting noise mass spectrum data representative of noise in the mass spectrometer or alternatively subtracting noise mass spectrum data from a previously acquired or pre-stored noise spectrum data. Embodiments demonstrate reduced noise and in particular reduced systematic noise compared with the originally acquired signal mass spectrum data.