Communication medium capable of carrying out contactless communication and method of producing the same
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United States of America Patent
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May 8, 2007
Grant Date -
Jan 20, 2005
app pub date -
Jun 30, 2004
filing date -
Jul 14, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a communication medium used, for example, as an IC card or an IC tag, a metal plate is electrically connected to an antenna wire and embedded in a card base member together with the antenna wire. An IC module is also embedded in the card base member and electrically connected to the metal plate. A plurality of openings are formed in the metal plate to be opened on at least one of first and second principal surfaces defining a thickness direction of the metal plate.
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