[TriEmbed] soldering oxidized pins - QFN part

[Carl Nobile]

If you have some really fine non-metallized sandpaper you could give the
part a few twists on the paper first.

~Carl


On Wed, Jan 27, 2016 at 10:57 AM, Alex Davis via TriEmbed <
triembed at triembed.org> wrote:

> I have a QFN part which shows signs of oxidation on the pins, and I'm
> wondering if there's anything I can or should do to clean it up.
> Unfortunately, it's an old-stock part, so I can't just get a new one.
>
> I have some photos here of the part:
>
> https://hackaday.io/project/9150-68040-upgrade-for-powerbook-520c/log/30827-68040-has-arrived
>
> I am hoping there's enough un-oxidized metal on each leg that the solder
> and flux will wet the legs properly. I'll be point soldering a few pins
> on each side before drag soldering the rest, so I should be able to
> evaluate if it's going to work before committing to soldering the whole
> thing.
>
> Alex
>
>
> --
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-- 
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Carl J. Nobile (Software Engineer)
carl.nobile at gmail.com
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