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From: Abhijit Kshirsagar <abhijit86k AT gmail DOT com>
Date: Wed, 3 Jul 2013 15:45:30 +0530
Message-ID: <CACNnPRkRQ9DfxSfcOTAxFBCC4SJkN3aGVOJRNTdwN8GpJOp4TQ@mail.gmail.com>
Subject: Re: [geda-help] Split negative & positive solder mask
To: geda-help AT delorie DOT com
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Maybe you can edit the Gerber...?
~Abhijit



On Tue, Jul 2, 2013 at 7:30 PM, McKay, Roy L [PHYSA] <mckay AT iastate DOT edu> wrote:
> Hi All,
>
>
>
>    I have a requirement with splitting the bottom soldermask into two
> sections. The bottom layer is a split ground plane with an area seeded with
> digital components and the remainder seeded with a number of signal related
> vias that are not grounded.  The section containing digital components is to
> covered with the usual mask covering everywhere except the pads.  The second
> section is opposite, cover the via holes and expose all the copper plane.
> Hence a negative of the usual soldermask.
>
>
>
>    Does anyone know how to pull this off?  I’m using PCB 20110918 on Fedora
> 16.
>
>
>
>    Thanks in advanced,  RM
>
>
>
>