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April 2003

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Subject:
From:
"Zweigart, Siegmund" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Fri, 25 Apr 2003 17:18:42 +0200
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Hello

I would also int. in such a database.
We invested some time to get an overview about high frequeny / high
performance material, but esp. in this region it is hard to get comperable
information. Each base material supplier wants to push his solution, there
are no standards in sight.
If you look at the datas nearly each material is tested with other
parameters, just to show that this material is the best for the customer
solution.

Siggi

-----Original Message-----
From: Franklin D Asbell [mailto:[log in to unmask]]
Sent: Freitag, 25. April 2003 17:17
To: [log in to unmask]
Subject: Re: [TN] PCB Material Question


Most laminate suppliers have downloadable data sheets. I've also looked for
a chart to no avail, have thought of generating my own but I'd rather spend
free time fishing...

If you find anything I sure would be interested as many around here would be
as too...

Franklin
----- Original Message -----
From: "Carl VanWormer" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, April 25, 2003 9:08 AM
Subject: [TN] PCB Material Question


> I have searched (unsuccessfully) for tutorials or charts on PCB material
> comparisons.  Is there a good (free?) reference available explaining the
> characteristics of the various PCB materials in current use?  I'm used to
> FR4, and I'm aware of the exotic stuff, but I see stuff that looks like
the
> old phenolic is some things that I open up.  I've noticed common usage of
a
> tan material in most PC power supplies.  I'm hoping to find a physical
> characteristics (Dielectric strength, fire safety, etc) comparison chart
> somewhere . . .
>
>
> Carl Van Wormer
> Cipher Systems
> 1815 NW 169th Place, Suite 5010
> Beaverton, OR  97006
> Phone (503)-617-7447    Fax (503)-617-6550
>
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