CONTACTLESS IC CARD
PROBLEM TO BE SOLVED: To provide a contactless IC card which is thin and inexpensive, and which has excellent physical strength and high reliability. SOLUTION: The card is provided with a plurality of intermediate substrates 5 and 6 held between a pair of surface substrates 7. An integrated circuit...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a contactless IC card which is thin and inexpensive, and which has excellent physical strength and high reliability. SOLUTION: The card is provided with a plurality of intermediate substrates 5 and 6 held between a pair of surface substrates 7. An integrated circuit (IC) 2 to which an antenna 4 is connected in an area of the intermediate substrate 5 is arranged, and transmission and reception of data with an external transmission and reception equipment are enabled. Then, in the intermediate substrate 5, a hollow part 8 is formed near the IC 2. COPYRIGHT: (C)2004,JPO |
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