The Cyber-Spy.Com Usenet Archive Feeds Directly
From The Open And Publicly Available Newsgroup
This Group And Thousands Of Others Are Available
On Most IS NNTP News Servers On Port 119.
Cyber-Spy.Com Is NOT Responsible For Any Topic,
Opinions Or Content Posted To This Or Any Other
Newsgroup. This Web Archive Of The Newsgroup And
Posts Are For Informational Purposes Only.
From: firstname.lastname@example.org (Jeff Walther)
Subject: Re: Multilayer PCB:s, HOW?
Organization: Illuminati University
NNTP-Posting-Date: Thu, 19 Sep 2002 01:38:02 CDT
X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers
X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly
Date: Thu, 19 Sep 2002 06:38:02 GMT
In article , Roger Johansson
> "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.
> The link posted by Scott Armitage shows that it is a rather
> complicated industrial process.
> For the amateur it is possible to etch doublesided boards and glue
> them together with some isolation layer inbetween.
> If the other layers are drilled away at some places it would be
> possible to achieve contact with the inner layers.
> The industrial process involving plating and other chemical tricks is
> too complicated for the amateur, so he has to cut away more board
> material to be able to solder the connection directly.
You can get a pair of four layer prototypes made for about $135 shipped
I've used them once and was very happy with the result. I don't know if
they're consistently good, but my one project worked out well.
A friend will help you move. A real friend will help you move a body.
Go Back To The Cyber-Spy.Com
Usenet Web Archive Index Of
The sci.electronics.design Newsgroup