Hi Phil,

Contact Technic Inc. at 401-781-6100, Cranston, R.I.

On Wed, 26 Nov 1997, Phillip E. Hinton wrote:

> Hi,
>
> Does anyone know of good etchant for gold tin solder (80Au/20Sn) joints that
> are viewed in microsection for metallurgical structure and cracks.  Agua
> regia does not seem to give the best results.
>
> Thanks,
> Phil Hinton
> [log in to unmask]
>
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