Moisture sensitive element and method of manufacturing the same
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United States of America Patent
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Aug 6, 2002
Issued Date -
N/A
app pub date -
Aug 17, 2000
filing date -
May 2, 1997
priority date (Note) -
Expired
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Abstract
A hydrophilic polymer material such as polyvinyl alcohol is formed into a porous film (301). A film (holding film) (303) made from a hydrophobic polymer material such as polyvinyl acetate is formed on the inner walls of a large number of pores (302) formed in the porous film (301). Lithium chloride (304) is held in these pores (302).
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