Bev Christian wrote:
>
> Russ,
> Excellent question.  I, too, would like to know what other companies set for
> criteria on this, especially no-clean flux users.  We require the same level
> of cleanliness as the industry sets for bare boards, 1 SOD.
>
> regards,
> Bev Christian
> Nortel
>
> > ----------
> > From:         Russ Winslow[SMTP:[log in to unmask]]
> > Sent:         Wednesday, September 02, 1998 2:31 PM
> > To:   [log in to unmask]
> > Subject:      [TN] Ionograph / Cleanliness Requirement for Components
> >
> > Do any of you TechNet folks know of a standard cleanliness requirement for
> > components?  By this I mean Ionograph type of test requirements.  I've
> > seen
> > them for bare boards and finished assemblies.
> >
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Bev:  Regarding your practice of specifying cleanliness requirements of
your component suppliers:

1  How do you notify your supplier of the requirement?  How do they
respond?
2  How do you screen your suppliers deliveries?  what rate do you sample
at?
3  What kind of in-coming tests do you run?  Are the tested component
are "sarificed?"
4  What kind of receiving history do have?  Are there suppliers /
components that do better than others?

TTYL

Dave F

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