Laminated stretched and unstretched polyester card for IC card
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 11, 2000
Grant Date -
N/A
app pub date -
Dec 2, 1996
filing date -
Dec 6, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A plastic card prepared by laminating unstretched polyester sheets to both sides of a single sheet or a laminate of a plurality of sheets of a stretched polyester film, cutting the obtained laminate to a shape of a card, and forming a cavity for embedding a chip module by milling in the laminate cut to the shape of a card. The plastic card is excellent in mechanical strength, dimensional stability, heat resistance, and property for printing, contains no hazardous halogen elements, and has a cavity for embedding a chip module which is formed without formation of burr by milling.
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