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Reply To: | TechNet E-Mail Forum. |
Date: | Fri, 10 Mar 2000 08:56:17 -0000 |
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Ken,
IPC 4101 describes the properties of a whole range of laminates.
FR4, CEM1, CEM3 etc are all NEMA classifications try www.nema.org for info.
Hope this helps
Geoff Layhe
www.lamar-uk.co.uk
> ----------
> From: Ken Fong[SMTP:[log in to unmask]]
> Reply To: TechNet E-Mail Forum.;[log in to unmask]
> Sent: 10 March 2000 03:30
> To: [log in to unmask]
> Subject: [TN] Information about CEM and paper phenolic PCB
>
> Technetters,
> Could anyone tell me where description of the properties of CEM1,
> CEM3
> and FR1, FR2..(Paper based) PCB materials can be found? Does any IPC
> std describing such things. I see many IPC stds describing FR4 (glass
> epoxy) materials only, why?
>
> Thanks.
>
> KenF, Mar 10, 00
>
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