On Mon, 10 Aug 1998 18:45:00 EDT [log in to unmask] writes:
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>From: Ray Burch <[log in to unmask]>
>Subject:      [TN] Solder to nickel
>To: [log in to unmask]
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>I work for a company that manufactures PCB's that are nickel plated.
>I am
>concerned that we did not do our homework when getting into this.  Is
>there
>anyone out there who could tell me some of the problems that we could
>be
>creating and why I have found that in hand soldering operations that
>we have
>to use very high temperature to get good wetting?
>
>Ray Burch
>[log in to unmask] or [log in to unmask]
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The problem is oxidized Nickle plate or high Phosphorous Nickle bath. The
remdy for the Nickle oxide is to hot solder level the pwb following the
plating operation to prevent the Nickle from re-oxidizing.

Jess

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