Composite Sheet, Manufacturing Method Thereof, And Electric And Electronic Component Using The Same
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United States of America Patent
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Issued Date -
May 8, 2008
app pub date -
Mar 22, 2006
filing date -
Mar 23, 2005
priority date (Note) -
Abandoned
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Abstract
A composite sheet having a layer structure of at least two or more layers in which a porous sheet layer of a thermoplastic polymer having at least a melting point of not higher than 200.degree. C. and a nonwoven fabric-like sheet layer containing at least one component of a fibrid, a short fiber or a fibrillated pulp of an organic compound not substantially having a stable melting point are stacked, the composite sheet being able to be used for condensers, capacitors and batteries, exhibiting a sufficient effect against high energy and large outputs and being suitable as a separator for secondary batteries or capacitors having both shutdown function and high-temperature shape stability.
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