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Subject: Re: [Homebrew_PCBs] Re: Developing dry film photoresist

From: James Sleeman <bitsyboffin@...>
Date: 2013-07-10

Kerry Koppert wrote:
>
>
> I guess my next
> question is how do you get really black black on transparent film using
> a laser?
>

You print two copies of the artwork on tracing paper and put them togethor.