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August 1998

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"Louis, Edwin" <[log in to unmask]>
Date:
Wed, 12 Aug 1998 07:05:03 -0700
Reply-To:
"TechNet E-Mail Forum." <[log in to unmask]>, Michael Carano <[log in to unmask]>
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From:
Michael Carano <[log in to unmask]>
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Louis, Edwin wrote:
>
>        WE have a situation where some electroless nickel plated items
> that
>      come in from a vendor are some times solderable with RMA flux and
>      other times requires an organic acid flux to do the job.
>        Someone told us that the phosphorus content may make the
> difference
>      and someone else suggested that included organics may cause this.
> Any
>      comments or experiences with this.
>
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> ################################################################Edwin,
All of the above suggestions are possibilities.
One other possibility is the tendency for any nickel deposit to passivate
readily, thus making the deposit difficult to solder.
Can you suggest putting a flash deposit of gold down to help?

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