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May 2000

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Subject:
DI water purity range
From:
David Kim <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Wed, 17 May 2000 10:20:56 -0700
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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.

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