Doug - good evening from jolly olde England.

The most comprehensive study completed on Conformal Coatings - that I know
of - is the work done by the IVF in Sweden by Per-Erik Tegehall and his
team.

We have extracts of all this work however, it would be more polite to refer
any request to IVF for copies.

If Per-Erik is "listening" maybe you can confirm the situation. If not, let
those who are interested call me and I will do the necessary to get you
copies.

Regards, Graham Naisbitt

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-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of
[log in to unmask]
Sent: Tuesday, September 04, 2001 01:54
To: [log in to unmask]
Subject: [TN] Conformal Coating


Good morning all,

I hope you all had a nice weekend.

Last week (and a few weeks preceding) I have been part of a group that is
examining our conformal coating process looking towards the future.  Right
now, I am in the middle of a classic engineering vs. manufacturing head
butting exercise.  For some of our engineers, manufacturability seems to be
a completely foreign term.

I have been tasked to gather information.  I figure this group is a great
place to start.  I have two basic questions:

1)   What specifications do you use to determine if you have a "quality"
coating in production?  Internal workmanship standards?  IPC-A-610?
MIL-STDS?  I'm not talking about MIL-I-46058 or IPC-CC-830, since those are
primarily procurement documents.

2)   Can you give me references for papers on the engineering aspects of
conformal coatings?  Our engineers claim benefits like added vibration
resistance, thermal emissivity, etc., in addition to the usual moisture and
crud barriers.

Thanks in advance.

Doug Pauls
Rockwell Collins.

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