> it seems no easy photography supplier films are high enough contrast
> to get a good film for exposing photomask --
You can still use toner for the masters, plus the Homebrew yahoo group
talks about how to optimize inkjet prints for masking.
___
ged
John Griessen wrote:
Mike Jarabek wrote:
Hi,
When I did double sided photoresist boards I used a frame made
from aluminum.
[jg]Thanks Mike. Sounds like a good holder method.
occasionally the print shop that did my photomasks would use a
different piece of glass to hold down my origin
Mike Jarabek wrote:
Hi,
When I did double sided photoresist boards I used a frame made from aluminum.
[jg]Thanks Mike. Sounds like a good holder method.
occasionally the print shop that did my photomasks would use a different piece
of glass to hold down my original,
After I got burned
3:10
To:gEDA user mailing list
Subject: Re: gEDA-user: photo-imagable supplies
Mike Jarabek wrote:
> Hi,
>
>When I did double sided photoresist boards I used a frame made from
> aluminum.
[jg]Thanks Mike. Sounds like a good holder method.
occasionally the print shop that di
From: John Griessen <[EMAIL PROTECTED]>
Date: Mon, 16 Apr 2007 10:05:19
To:geda user mailing list
Subject: gEDA-user: photo-imagable supplies (was: dremel "drill press")
DJ Delorie wrote:
> They seem to go where I want them.
[jg]Great. I'll be trying some PCB carbid
DJ Delorie wrote:
They seem to go where I want them.
[jg]Great. I'll be trying some PCB carbide bits soon.
The deviation of the bit itself is
far less than the alignment accuracy of the two halves of the board.
Off by 10 mil or so - this is my first try at double sided, I need to
try a few
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