Jon,
Our Omegameter manual recommends 14.o ug/sq. in. too, but you may consider tighter standards to achieve
Bellcore TR-NWT-000078 cleanliness standards.  It might be better to use.... say 6.5 ug/sq.in. as your
pass/fail criteria to achieve this.  Hope this helps.

Rob Watson
Sanmina Corp. Plant 10

Jon Cruz wrote:

> Hi!
>
> We have an ionic contam test here in our company and I was wondering
> if you have a specs list of what is the acceptable
> contamination level. Here, we use a Pass/Fail limit of 14.0 ug/sq.
> in. I am no tsure if this is too low or too high.
> Can you please share some info on this.
>
> Thanks.
>
> Jon Cruz
> Supervising Product Engineer
> Electronic Assemblies Inc.
> [log in to unmask]
> tel.# 823-7317/7593884
> fax# 8238326
>
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