Chip card having information elements etched in a metal contact of a chip card connector
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United States of America Patent
Stats
-
Oct 28, 1997
Grant Date -
N/A
app pub date -
Jan 16, 1996
filing date -
Aug 26, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A chip card comprises a chip card body, a chip, and a connector. The connector has a metal contact which is electrically connected to the chip for communicating electrical signals. The metal contact includes a main layer which is free of etched information elements, and a coating layer which has information elements etched therein. In one improvement, the information elements are laser-etched. In another improvement, the information elements are also marked on the chip card body and are stored in the chip. The present invention advantageously helps protect against the fraudulent interchanging of the chip card micromodule, including the chip and the connector.
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