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James,
The Navy has a publication in 1983,see MIL-I-46058 conformal coating that
gives paraxylene first epoxy next, polyurethane. Acrylic, RTV and carnish
are poor choices.
Richard
-----Original Message-----
From: James A Larson <[log in to unmask]>
To: [log in to unmask] <[log in to unmask]>
Date: Monday, August 03, 1998 4:51 PM
Subject: [TN] Pacovia Alternative
>Does anybody know of an alternative to Pacovia as a conformal
>release sheet for Blind via processing. Need a material that will
>allow resin to fill but keep off of the surface both etched and
>foil.
>
>Jim Larson
>Johnson Matthey Semiconductor Packages
>
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