ELECTROMAGNETIC WAVE ABSORBER
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United States of America Patent
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Issued Date -
May 28, 2009
app pub date -
Oct 18, 2006
filing date -
Oct 19, 2005
priority date (Note) -
Abandoned
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Abstract
The disclosed is an electromagnetic wave absorber which is characterized in that carbon fibrous structures are contained in the matrix, at a rate of 0.01-25% by weight based on the total weight, wherein the carbon fibrous structure comprises a three dimensional network of carbon fibers each having an outside diameter of 15-100 nm, wherein the carbon fibrous structure further comprises a granular part with which the carbon fibers are tied together in the state that the concerned carbon fibers are externally elongated therefrom, and wherein the granular part is produced in a growth process of the carbon fibers.
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