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Message-ID: <3D89BE68.8020300@dplanet.ch>
Date: Thu, 19 Sep 2002 14:09:12 +0200
From: Rene Tschaggelar
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Newsgroups: sci.electronics.design
Subject: Re: Multilayer PCB:s, HOW?
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You don't do multilayers yourself.
First you do small prints yourself. Then you do
bigger ones. While the etching is trivial, the
drilling is not. And the vias take a lot of work,
namely putting a blanck wire through and solder at
both sides. From a drill/via count upwards you get
sick of doing it yourself, however low you calculate
your own time. Then you have a boardhouse do them
for you. I have a boardhouse doing a 10 x 10cm for say
50$US within 14 days. doublesided.
Then when yo spend a week or two routing a doublesided
it may come cheaper to have a multilayer done because
it may save you days of routing.
Rene
--
Ing.Buero R.Tschaggelar - http://www.ibrtses.com
& commercial newsgroups - http://www.talkto.net
Roger Johansson wrote:
> "Bill sloman" wrote:
>
> Thanks to all who replied. I had kind of imagined that you could buy
> some 4 layer laminate and do something with it. Not until I began to
> think about it in practical terms I realized that it was impossible to
> do that. The inner layers need to be etched before the laminate is
> moulded together.
>
[ snip ]
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