Newsgroups: comp.robotics
Path: brunix!uunet!cs.utexas.edu!swrinde!news.dell.com!fenian!timd
From: timd@fenian.dell.com (Tim Deagan)
Subject: Re: Epoxy on Wire Wrap
Message-ID: <1993Jan15.221635.13609@raid.dell.com>
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References: <1993Jan15.155453@vinnie.cuc.ab.ca>
Date: Fri, 15 Jan 1993 22:16:35 GMT
Lines: 22

In article 155453@vinnie.cuc.ab.ca, jonathan@vinnie.cuc.ab.ca (Jonathan Levine) writes:
>
>H. Y. Firooznia -- (hfir_cif@uhura.cc.rochester.edu) writes:
>
>I've heard of people protecting wire-wrapped circuits by encasing them
>in epoxy, or some sort of resinous substance, that when heated is fluid
>enough to flow over and through all the nooks and crannies of a circuit,
>yet hardens when it cools, to a solid, durable casing.  Does anyone know
>of such a substance, and where I can find it?  What other techniques are
>there for protecting wire-wrapped stuff, other than simply encasing 
>a circuit in a box?

Check out _Midnight Engineering_ for Nov/Dec 1992.  There is a very
good article about potting PCBs and projects.  Lots of good info
on how much sand to incorporate in the eposy for opacity and other
useful tips.
--Tim--
timd@fenian.dell.com-My employer is_not responsible for_this.
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