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June 1998

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Subject:
Contamination Testing for Water Soluble Flux Residue
From:
Kathy Palumbo <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Mon, 29 Jun 1998 13:39:35 -0700
Content-Type:
text/plain
Parts/Attachments:
text/plain (32 lines) 
I was told that water soluble flux does not leave ionic contaminants behind,
and if you want to test for contaminants you should do a surface Resistivity
test.

My questions are as follows:

1.  Is this entirely true, or can some sort of correlation be made between
the two different types of tests.
2.  If surface Resistivity testing is being done should ionic contamination
testing ever be done?
3.  Are there any Ionic Contamination Testing systems available so we can do
this test in house?
4.  Are there any Surface Resistivity Testing systems available so we can do
this test in house?

Thanks in advance for you responses!

Kathy Palumbo
Viking Components

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