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"Ghosting" of electroless gold plated parts

(-----) 2007

We have had a recent problem with some parts "ghosting" in our Electroless gold plating bath. What could be the cause of this?

Jason Combs
Plating - Chattanooga, TN, United States
^

2007

Jason,
Ghosting, as I know it is when ultra violet light is able to penetrate through the substrate. There are UV blocking laminates that contain UV blocking fillers. Are you currently using this type of laminate?

Mark Baker
Process Engineer - Syracuse, New York
^

2007

Since posting this question I have came to learn that our DP nickel Process is adhering to Molly in our black body ceramic and once that occurs our gold is then adhering to the nickel Deposits.

Jason Combs
ceramics - Chattanooga, Tennessee, USA
^

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