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Reply To: | TechNet E-Mail Forum. |
Date: | Tue, 14 Aug 2001 21:31:59 -0700 |
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RJ Klien Wassink suggests [bible p 169] pouring contaminated solder at about
190°C through a 20 mesh stainless steel stariner to reduce copper content to
0.25%.
Dave Fish
----- Original Message -----
From: "Phil Nutting" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, August 14, 2001 5:48 AM
Subject: [TN] Solder analysis results
> Ok folks, here is today's question.
>
> I just received a Certificate of Analysis (our first one) for the solder
> in our Soltec Waver Solder machine. All parameters are "within
> specification" except the percentage of copper which is at 1.6859. (Tin
> is at 61.3% and Lead is at 36.99% and other stuff is at 0.0199%) We run
> 63/37 in the wave. We only solder our own product, none of which goes
> into "mission critical" applications. We normally build our product to
> IPC-A-610C, Class 2.
>
> My question is two-fold. Should I worry about this? If so, how do I
> fix it with 1700 pounds of solder in the solder pot?
>
> Thanks is advance for sharing your knowledge.
>
> Phil Nutting
> Manufacturing Engineer
> Kaiser Systems, Inc.
>
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Search previous postings at: www.ipc.org > On-Line Resources & Databases > E-mail Archives
Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional
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