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:
Jun. 13, 2017

Filed:

Aug. 27, 2014
Applicant:

Thermo Electron Manufacturing Limited, Altrincham, Cheshire, GB;

Inventors:

Stephen Hartwell, Cambridge, GB;

Nigel Cooper Bailey, Altrincham, GB;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01J 3/36 (2006.01); G01J 3/02 (2006.01); G01J 3/443 (2006.01); G01J 3/28 (2006.01);
U.S. Cl.
CPC ...
G01J 3/0297 (2013.01); G01J 3/28 (2013.01); G01J 3/443 (2013.01);
Abstract

A method for deriving a background-corrected portion of a measured optical emission spectrum comprising the steps of identifying two or more background correction points from the portion of the measured emission spectrum; deriving a background correction function fitted to the identified background correction points, and applying the background correction function to the portion of the measured emission spectrum so as to produce a background-corrected portion of the emission spectrum, wherein the background correction points are identified from the measured data points by consideration of the gradients between the measured data points.


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