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Subject: Re: [Homebrew_PCBs] Printing pcb patterns negative or positive

From: Stefan Trethan <stefan_trethan@...>
Date: 2003-12-13

On Sat, 13 Dec 2003 07:21:41 -0000, grantfair2001 <grant.fair@...>
wrote:

> I use a Panasonic KX-P6500 laser printer for making prototype boards
> with Dyna Art paper, which seems to work fairly well for me. However I
> am thinking of trying to make some silk screens for small volume PCBs
> and I think I need to be able to print a "positive" of my PCB pattern
> onto transparency in order to make the silk screen.
>
> By positive, I mean that the copper tracks will appear white when
> printed on paper, and etched portions will be black. My PCB software
> does the usual "negative" print - copper tracks are black, etched
> areas white, but not the positive print.
>
> I use Ivex Winboard for my PCBs, and to do this would require another
> Ivex product costing $199.00.
>
> However there may be drivers or other ways to do this, can anyone advise?
>
> Grant
>
print to post script and invert the ps image, then print it.

st