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. 13, 2015

Filed:

Dec. 11, 2012
Applicant:

Thermo Fisher Scientific (Ecublens) Sarl, Ecublens, CH;

Inventors:

Fabio Demarco, Lausanne, CH;

Jean-Luc Dorier, Bussigny-Lausanne, CH;

Edmund Halasz, Ecublens, CH;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01J 3/28 (2006.01); G01J 3/443 (2006.01); G01J 3/02 (2006.01); G01J 3/18 (2006.01); G01N 21/67 (2006.01);
U.S. Cl.
CPC ...
G01J 3/443 (2013.01); G01J 3/021 (2013.01); G01J 3/024 (2013.01); G01J 3/0208 (2013.01); G01J 3/0229 (2013.01); G01J 3/0294 (2013.01); G01J 3/18 (2013.01); G01J 3/2803 (2013.01); G01N 21/67 (2013.01);
Abstract

A spark optical emission spectrometer comprising: a spark source for causing spark induced emission of light from a sample; a single entrance slit; a toroidal mirror for directing the light through the single entrance slit; a plurality of diffraction gratings for diffracting light that has been directed through the entrance slit by the mirror, whereby the plurality of diffraction gratings are simultaneously illuminated; and at least one array detector for detecting the diffracted light from the plurality of diffraction gratings, wherein the minor is for directing the light through the entrance slit such that light from different regions in the spark source is spatially separated in an image of the light at the gratings whereby a first diffraction grating is preferentially illuminated with light from a first region of the spark source and simultaneously a second diffraction grating is preferentially illuminated with light from a second region of the spark source.


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