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April 2001

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Subject:
From:
Michael Castro <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Wed, 4 Apr 2001 02:59:19 -0700
Content-Type:
text/plain
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text/plain (145 lines)
Dear Mr. Naisbitt:

Thanks for your info.

Can you please give some information or articles on
how to clean test sockets or IC sockets.

Any input you can give will be of big help to me.

Thank you very much!


Sincerely,
Mike
--- Graham Naisbitt <[log in to unmask]>
wrote:
> Doug
>
> Answering your questions:
>
> 1       No
> 2       No
> 3       No
>
> Hope this helps!?
>
> Regards, Graham Naisbitt
>
> [log in to unmask]
> www.concoat.co.uk
>
> Concoat Limited
> www.concoat.co.uk
> <http://www.concoat.co.uk>
> Alasan House, Albany Park
> CAMBERLEY GU16 7PH UK
> Phone: +44 (0)1276 691100
> Fax: +44 (0)1276 691227
> Mobile: +44 (0)79 6858 2121
>
>
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]]On Behalf Of
> Douglas Pauls
> Sent: Tuesday, April 03, 2001 03:33
> To: [log in to unmask]
> Subject: [TN] Acrylics and Silicones
>
>
> Good morning,
> Seems to be a morning for coating related questions.
>
> Like many high-performance manufacturers, we use
> silicone RTV materials
> around high mass components, such as them big
> honkin' electrolytics, to
> give vibration resistance.  Our coating
> specifications has us coat over the
> RTV materials with acrylic coating (Humiseal 1B31).
> Our normal product
> acceptance screen is a thermal cycle of -55C to
> +125C.  You can guess some
> of the adhesion related problems we have from the
> differential expansion
> rates and from the problems of trying to get
> anything to stick to
> silicones, as well as to the halo region around the
> cured silicones.  Here
> are my questions:
>
> 1.  Do you coat over silicone RTVs?
> 2.  If you do, do you preclean the silicone and
> surrounding areas?  If so,
> with what?
> 3.  If you coat over silicones, do you use a primer
> material to promote
> adhesion?
>
> I imagine that this will be a dragon that I joust
> with regularly over this
> coming year, till I slay the beast (Mountain Dew
> starting to kick in
> folks).  Tis an unwholesome creature............
>
> Doug Pauls
> Rockwell Collins
>
>
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