RF TAG AND METHOD FOR PRODUCING SAME
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United States of America Patent
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Issued Date -
May 26, 2011
app pub date -
Sep 30, 2009
filing date -
Sep 30, 2008
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Abandoned
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Abstract
An RF tag which comprises a prepreg plate having a first dielectric layer (20a), and prepreg layers (30a, 30b) respectively arranged on the two major surfaces of the first dielectric layer (20a). The first dielectric layer (20a) is composed of a graft copolymer which is obtained by polymerizing 15-40 parts by mass of an aromatic vinyl monomer (b), which contains 70-95% by mass of a monofunctional aromatic vinyl monomer (b1) and 5-30% by mass of a bifunctional aromatic vinyl monomer (b2), onto 60-85 parts by mass of a polymer (a), which is obtained from an .alpha.-olefin monomer or a chain conjugated diene monomer. Each of the prepreg layers (30a, 30b) is composed of a glass fabric base impregnated with an epoxy resin. An antenna circuit (10) and a metal foil layer (40) are respectively bonded to the prepreg layers (30a, 30b) of the prepreg plate by thermal compression bonding.
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