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October 1999

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Subject:
From:
Kenneth Kirby <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Thu, 7 Oct 1999 15:05:26 -0500
Content-Type:
multipart/mixed
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Julie,
You must be soldering bare copper/OSP boards if your getting copper
contamination in your bath.  There is not much you can do about it but the
contamination will build up quicker in small solder pots as opposed to the
larger (1000 lbs +)pots.
If your not soldering copper boards then start looking for the person that
is throwing pennys into the bath. (Yes, I have seen this happen)  If you
have any doubt about the solder your using then you should have it analysed
by someone other than your vendor.

Ken Kirby




 (Embedded
 image moved   Julie Dixon <[log in to unmask]>
 to file:      10/07/99 01:59 PM
 pic06352.pcx)




To:   [log in to unmask]
cc:    (bcc: Kenneth Kirby/ElectrovertUS/Cookson)
Subject:  [TN] HASL-contaminated solder pot




TechNet,

We have sporadic problems with the copper level rising in our solder pot.
We
reduce the temp and dross each morning. Could you recommend a specific PM
program to keep our SnPb clean? We believe per the certicates of analyses
that
our supplier gives us good product. Any other reasons it might rise?

Thanks,
Green

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