Non-chrome plating on plastic
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United States of America Patent
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Issued Date -
Sep 15, 2005
app pub date -
Mar 12, 2004
filing date -
Mar 12, 2004
priority date (Note) -
Abandoned
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Abstract
The invention comprises a process of preparing a non-conductive substrate for subsequent metalization. The process replaces the traditional chromic acid etching step with an etching solution comprising a permanganate and a mineral acid. The process also includes a novel activation solution comprising a palladium salt and an amine complexor. The new process of the invention is more environmentally friendly than the traditional chromic acid etching solutions but achieves a comparable result on most non-conductive substrates.
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