Guy,

The accepted limits range from 3 - 5 wt% gold in the solder, so one must
calculate by weight, not volume.

Ed Hare
VP SEM Lab, Inc.
www.semlab.com


On Thu, Mar 27, 2014 at 8:06 AM, Guy Ramsey <[log in to unmask]> wrote:

> When determining the percent gold in a solder connection, should one
> calculate using volume or weight?
>
> I always did this by calculating the volume of the solder and the volume of
> the gold by thickness. Thinking that solder and gold were similar in
> density. eeaAhh, yeah, NO.  11 oz/cuin. Versus 5 oz.
>
> So, there is a big difference between calculating by weight and calculating
> by volume. Which way is right?
>
> Guy
>
>
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-- 
Ed Hare
gmail - [log in to unmask]
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