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Subject: Re: What can be expected from isolation milling?

From: "jme87be" <jacques.meunier@...>
Date: 2006-12-30

Hi,
what do you think of this demo board from LPKF, 0.1 mils !! 5 tracks
between 2 IC pins !!
http://www.lpkf.com/images/1/713-muster-einseitige-leiterplatte.jpg
Regards
Jacques


--- In Homebrew_PCBs@yahoogroups.com, "lcdpublishing"
<lcdpublishing@...> wrote:
>
> Hi guys,
>
> I am oh-so close to running some real boards on my CNC mill.
Having
> never done isolation milling I am not sure of what the process is,
or
> is not capable of.
>
> I bought a couple carbide 'V' cutters and will be giving it a try
this
> comming week. I suspect the 'V' type cutters would be better than
> trying to use a .010" or .020" diameter endmill.
>
> Right now, with toner transfer, I can get fairly reliable results
with
> traces down to .012". Anyone have any idea what can be done with
> isolation milling? Any suggestions, comments, advice, warnings,
etc.
> would all be appreciated!
>
> Chris
>