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US Patent 7624621 Method and device for measurement of permeation

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Patent
Patent
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Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
76246211
Patent Inventor Names
Stéphane Cros1
Muriel Firon1
Philippe Trouslard1
Date of Patent
December 1, 2009
1
Patent Application Number
114022301
Date Filed
April 11, 2006
1
Patent Primary Examiner
Hezron Williams
Hezron Williams
1
Patent abstract

The invention relates to a method for measuring gases permeation through a material (M), comprising the steps of:Forming a mixture of isotopic gases in a mixing enclosure (14), each isotopic gas corresponding to a target gas for which permeation through the material (M) is sought, the isotopic gas having a mass number different from that of the corresponding target gas;Filling with the mixture of isotopic gases a first chamber (11) of a permeation enclosure (10) comprising first (11) and second (12) chambers, the first chamber (11) being separated from the second chamber (12) by the material (M);Simultaneously analyzing the isotopic gases having permeated through the material (M) and being present in the second chamber (12), in order to simultaneously calculate permeation through the material (M) of each of the corresponding target gases.

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