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September 1997

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TechNet Mail Forum<[log in to unmask]>
Subject:
Assy : galvanic corrosion
From:
"D. Terstegge" <[log in to unmask]>
Date:
Fri, 5 Sep 1997 21:08:28 +0200
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"TechNet Mail Forum." <[log in to unmask]>, "D. Terstegge" <[log in to unmask]>
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Hello Technet,

I heard that galvanic corrosion will occur on the contact area between
gold and aluminium. Is this really a problem ? also when the gold is
only 0.05 micron thick, with nickel underneath ?
I'm talking here about a printed circuit board with 0.05 micron gold
plating over nickel, where certain features make contact with an
aluminium housing.

Daan Terstegge

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