Selective deposition of circuit-protective polymers

Selective deposition of circuit-protective polymers

A composition for electrophoretic deposition of a protective coating. The composition comprises a cationic resin emulsion; and a curative mixed with the cationic resin emulsion. The composition after electrophoretic deposition and curing provides the protective coating that has a concentration of ex...

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Hauptverfasser: Pocius, Alphonsus, Latourelle, Rita
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Sprache:eng
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creator Pocius, Alphonsus
Latourelle, Rita
description A composition for electrophoretic deposition of a protective coating. The composition comprises a cationic resin emulsion; and a curative mixed with the cationic resin emulsion. The composition after electrophoretic deposition and curing provides the protective coating that has a concentration of extractable ionic contaminants less than about 200 nanograms/cm 2 ; and a concentration of labile components less than about 36,000 nanograms/cm 2 . The present invention further includes an article in the form of a flexible printed circuit, used as an interconnect, comprising a film substrate and a plurality of conductive traces adjacent to a surface of the film substrate to receive an insulating coating using electrophoretic deposition techniques.
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The composition comprises a cationic resin emulsion; and a curative mixed with the cationic resin emulsion. The composition after electrophoretic deposition and curing provides the protective coating that has a concentration of extractable ionic contaminants less than about 200 nanograms/cm 2 ; and a concentration of labile components less than about 36,000 nanograms/cm 2 . The present invention further includes an article in the form of a flexible printed circuit, used as an interconnect, comprising a film substrate and a plurality of conductive traces adjacent to a surface of the film substrate to receive an insulating coating using electrophoretic deposition techniques.</abstract><oa>free_for_read</oa></addata></record>
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title Selective deposition of circuit-protective polymers
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