METHOD FOR EXAMINING ION-CONDUCTIVE ELECTROLYTE MEMBRANE
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United States of America Patent
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Issued Date -
Sep 2, 2010
app pub date -
Jun 2, 2008
filing date -
Jun 14, 2007
priority date (Note) -
Abandoned
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Abstract
A light-control membrane (11) is joined to a first surface (10a) of an electrolyte membrane (10), and hydrogen gas is supplied to a second surface (10b) side of the electrolyte membrane (10). If the electrolyte membrane (10) has a defect (10c), such as a crack or a pinhole, the hydrogen gas leaks through the defect (10c) to the first surface (10a) of the electrolyte membrane (10). In result, the light-membrane (11) is hydrogenated by the leaked hydrogen gas, and the reflectance of the light-control membrane (11) is locally changed. This makes it possible to visually spot the presence of the defect (10c).
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