Printed circuit board
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United States of America Patent
Stats
-
Sep 5, 1989
Grant Date -
N/A
app pub date -
Feb 6, 1987
filing date -
Feb 6, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for producing a circuit board having conductive circuit elements patterened on a non-conductive substrate involves printing a film of a U.V. curable ink composed of a suspension of silver-coated magnetite particles in a U.V. curable resin onto the substrate in a circuit pattern, subjecting the pattern to a magnetic field to move the magnetite particles to a position at or near the upper surface of the resin and effecting U.V. radiation cure of the U.V. curable ink.
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Cited Art Landscape
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