I only have three:

*         Don't.

*         Pre-coat.

*         Call Joe Fjelstad.

Dewey





-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of lee Hitchens
Sent: Thursday, May 09, 2013 6:32 AM
To: [log in to unmask]
Subject: Re: [TN] Automating Conformal Coating



Hi Doug



I have 10 golden rules guide I give to customers for selective coating written between myself and Phil Kinner at PVA. Off you want a copy let me know and I can send them to you.



Best Regards



Lee Hitchens

Technical Director



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-----Original Message-----

From: TechNet [mailto:[log in to unmask]] On Behalf Of Douglas Pauls

Sent: 09 May 2013 13:41

To: [log in to unmask]<mailto:[log in to unmask]>

Subject: [TN] Automating Conformal Coating



Good morning all,



Another conformal coating related question.  What, from an assembly point of view, would you tell a board designer are good design practices to make an assembly coatable from an automated standpoint.



I think we would all agree that having an assembly with no keep out zones and a constant height for components to be the ideal.  The more holes we poke in the film and the farther we get from the ideal, the less we can automate coating.



So, what would you tell a designer to do?



Or, to put the shoe on the other hand, what kinds of things should they NOT do, or bad practices to avoid?



And, yes, I know It Depends.



Doug Pauls





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