David

IMHO you should be looking at something better than a conductivity of 1
microsiemens-centimetre at all times.

Brian

> David Kim wrote:
>
> Hi all,
>
> I am looking for good purity range of DI water supplied to all rinse
> baths in the Electroless Ni / Immersion Au plating line.
> Right now, we use DI water under 125ppm. Is it enough?
> And when should DI water be changed after being used continuously?
> Does anyone have some information or idea about this?
>
> Thank you.

--
Brian Ellis
Protonique SA
PO Box 78
CH-1032 Romanel-sur-Lausanne, Switzerland
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