Personal data card fabricated from a polymer thick-film circuit
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United States of America Patent
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-
Dec 21, 1993
Grant Date -
N/A
app pub date -
Jun 24, 1991
filing date -
Jun 24, 1991
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A personal data card (10) is fabricated from a polymer thick-film circuit (12) formed of a polymer sheet (14) having a plurality of pads (16 and 17) and interconnecting paths (18) printed thereon with a copper-filled polymer ink. Each of a selected set of the pads (16) has a layer of nickel (22) applied to it, and then a layer of gold (24) applied above the nickel, to facilitate wire bonding of each of a plurality of aluminum leads (21), associated with a semiconductor die (19), to a corresponding pad. Use of such a polymer thick-film circuit (12) in the fabrication of the data card (10) reduces the cost of the card.
First Claim
Family
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Cited Art Landscape
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