Credit card with magnifying lens formed with a radiation-curable resin
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United States of America Patent
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-
Jan 5, 1999
Issued Date -
N/A
app pub date -
Nov 27, 1996
filing date -
Feb 12, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A financial transaction card for reading externally stored information includes a transparent, substantially non-foldable rigid base and a strip for carrying machine readable information. The rigid base comprises a magnifying lens. The lens is formed by machining a shallow cavity in the rigid base; partially filling the cavity with a radiation curable liquid resin; impressing a lens pattern on the surface of the resin with a die; and exposing the resin to radiation of sufficient intensity to cure the resin.
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