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Subject: Re: [Homebrew_PCBs] New PCB etching method proposal

From: Rick Sparber <rgsparber@...>
Date: 2013-02-28

Be careful that the copper does not scratch the cylinder inside the printer.

Rick

On Feb 28, 2013, at 10:56 AM, Derek <derek@...> wrote:

> I just had an idea of a better PCB generation system. It is still in the
> works, but may be a great solution.
>
> There is the photo-resist method that needs darkness.
>
> There is the Toner Transfer System that I use a lot. But I find that I
> am always touching up traces, especially the fine ones.
>
> One person figured if they can print directly to the PCB using a laser
> jet, but the stiff board would not go through the rollers.
>
> What if I can come up with a flexible material that can be printed to
> directly a positive image and then etch? It would be able to go through
> laser printers without a problem.
>
> I am building up some samples to test, but would this list be interested
> in such a product?
>
> Oh, to stiffen up, just add a piece of fiberglass to the back. Which I
> can make as well. Would you be interested in this method? How much would
> one be willing to pay for the materials for a 2"x2" size of board -
> granted a larger one would be possible as well. In fact, using a legal
> size copier would allow one to print up a 11" x 17" circuit board.
>
> --
> Derek Koonce
> DDK Interactive Consulting Services
>
>
>
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