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January 2003

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Subject:
From:
Ong Seet Leng <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Tue, 28 Jan 2003 08:27:10 +0800
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THANKS!

"Dehoyos, Ramon" wrote:

>         Ong:
>         There is a tool that resembles a comb that measures wet thickness.
> One of the companies that carries it is Nordson, a company that manufactures
> CC spraying machines.
>         Good luck, Ramon
>
> > -----Original Message-----
> > From: Ong Seet Leng [SMTP:[log in to unmask]]
> > Sent: Thursday, January 23, 2003 9:51 PM
> > To:   [log in to unmask]
> > Subject:      [TN] ADVISE NEEDED
> >
> > Morning Technetters,
> >
> > Advise needed. We used to use dipped in method using a conformal coating
> > machine but as the latex used to cover the forbidden area need at least a
> > few hours to cure, we cannot afford the time. Due to the extremely tight
> > schedule given to us, we have engineers sending in assembled boards in the
> > morning and expect us to perform miracles and have them ready before
> > lunch.
> >
> > We are now using the hand brush method but as mentioned, due to the
> > extremely tight schedule, is there any way to measure the coating
> > thickness without say, measure assembled board before coat, after that
> > coat one side-measure again, before coat the other side & measure again in
> > order to get the individual side coating thickness?
> >
> > We may have used the wrong approach and I desperately need some advise
> > from you guys and gals. More over, should we revert back to dip in method,
> > how are one going to measure the coating thickness of one side and then
> > protected it before proceed to the un-coated side? Any suggestions is
> > greatly appriciated.
> >
> > Regards
> > S L Ong
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