The Cyber-Spy.Com Usenet Archive Feeds Directly
From The Open And Publicly Available Newsgroup
This Group And Thousands Of Others Are Available
On Most IS NNTP News Servers On Port 119.
Cyber-Spy.Com Is NOT Responsible For Any Topic,
Opinions Or Content Posted To This Or Any Other
Newsgroup. This Web Archive Of The Newsgroup And
Posts Are For Informational Purposes Only.
From: firstname.lastname@example.org (Jumbaliah)
Subject: Re: Potting/Encapsulating - Epoxy ontop of Silicone?
Date: 12 Nov 2002 09:40:38 -0800
References: <email@example.com> <firstname.lastname@example.org>
NNTP-Posting-Date: 12 Nov 2002 17:40:38 GMT
email@example.com (Gibbo) wrote in message news:<firstname.lastname@example.org>...
> email@example.com (Gibbo) wrote:
> >firstname.lastname@example.org (Jumbaliah) wrote:
> >>I'm thinking of encapsulating a small circuit board with Silicone
> >>(Neutral cure) because it has surface mount parts. But I wondered if
> >>I could then encapsulate that assembly with epoxy to give me a hard
> >>outer shell with a gooey centre ;). Has anyone tried this? Any tips?
> >> I wondered about how well the epoxy would bond with the outer surface
> >>of the silicone, if at all, and under temperature cycles if the
> >>silicone would 'peel' off the inside surface of the epoxy shell.
> I'll actually put the reply on this time !
> There just been a thread on here "side effects of potting compound" which
> addresses a few of these issues.
> I do know from my own recent experiences that the bonding obtained from epoxy
> ontop of silicon is almost non-existent. When breaking at apart it literally
> fell off the silicon.
Thanks, It was an interesting read. Answered other questions I had too.
Go Back To The Cyber-Spy.Com
Usenet Web Archive Index Of
The sci.electronics.design Newsgroup