Non-contact ID card and manufacturing method thereof
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United States of America Patent
Stats
-
Feb 19, 2008
Grant Date -
Dec 14, 2006
app pub date -
Nov 9, 2004
filing date -
Nov 11, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Provided is a non-contact ID card which is superior in the productivity and the electrical properties, and a method capable of manufacturing such non-contact ID card. The non-contact ID card of the present invention is characterized in that the non-contact ID card comprises an antenna circuit board in which an antenna is formed on a substrate and an interposer board in which an enlarged electrode, which is connected to an electrode of an IC chip, is formed on a substrate on which the IC chip is mounted. The non-contact ID card is formed by laminating both boards in such a manner that the electrode of the antenna and the enlarged electrode are bonded, in which both electrodes are adhesively bonded by an insulating adhesive filled in minute recesses dispersed on bonding faces of the electrode of the antenna and/or the enlarged electrode.
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