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Subject: Re: [Homebrew_PCBs] Difference between FR-4 and CEM material??

From: Leon Heller <leon355@...>
Date: 2010-09-01

On 01/09/2010 00:45, acidblue wrote:
> I found some copper clad boards on ebay that use CEM material
> instead of the FR-4 that I'm familiar with.
>
> Has anyone used CEM before?
> Is it any different from FR-4?


I've been using CEM-1 for years. It's a fibreglass-paper composite and
is much easier to cut and drill than FR4. I buy mine (precoated) from
Mega Electronics.

Leon
--
Leon Heller
G1HSM