Light transparent multilayer moisture barrier for electrochemical cell tester and cell employing same
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United States of America Patent
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Mar 4, 1997
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N/A
app pub date -
Jan 23, 1995
filing date -
Jan 23, 1995
priority date (Note) -
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Abstract
A light transparent moisture barrier useful for preventing moisture from destroying the effectiveness of a moisture sensitive cell condition tester on an electrochemical cell comprises a plurality of very thin, alternating layers of an inorganic material and an organic material on a flexible, polymeric substrate. The layers are not laminated, but are formed on the substrate by a deposition or coating process and the thickness of any layer is less than 5 microns. The organic material is a hydrophobic polymer and the inorganic material is a metal oxide, nitride, a glass or silicon.
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