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Immersion Silver - Yellowing

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#56501

Immersion Silver - Yellowing | 12 September, 2008

We have a double sided board with Immersion Silver Plating. After reflow the Silver turns a yellowish color. It still wets good, and the yellow color will polish off with a pencil eraser. Has anyone seen this, or know the cause?

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#56502

Immersion Silver - Yellowing | 12 September, 2008

While you're waiting for others to reply, check these recently posted threads on discolored immersion silver [IAg] here on SMTnet: * http://www.smtnet.com/Forums/Index.cfm?CFApp=1&Message_ID=56220

* http://www.smtnet.com/Forums/Index.cfm?CFApp=1&Message_ID=56107

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