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December 2001

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Subject:
From:
Leo Roos <[log in to unmask]>
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Date:
Thu, 6 Dec 2001 07:39:45 -0800
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There are tests describes in IPC-SM 840-C and in the spec for conformal
coating.
----- Original Message -----
From: "Mike Manwell" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, December 06, 2001 6:40 AM
Subject: [TN] 2 Conformal Coating ?'s


> Hello,
> Thanks in advance if you have taken the time to read this!
>
> #1- Im trying different materials in a spray application. Both are cured
> using UV. One material does a "secondary cure" w/ moisture. This is cool
> because after 100 hours after UV cure, all material is fully cured.
> The other material Im trying uses HEAT for a secondary cure, or, if
> shodowed during UV cure, the material wont cure and never will. Obviously
I
> dont want the stuff dripping or running anywhere, but being new to this
> wonderful process, just dont feel good about leaving uncured material on a
> product for it's entire life. Iv been told that you can "test" the product
> to see if the uncured material is causing a problem but Im not sure what
> type of test that would consist of. Any insight?
>
> #2- Has anyone out there ever installed refelctive metal plates in their
UV
> oven to limit shadowing?
>
> Thanks so much,
>
> Mike Manwell
>
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