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Subject: Re: [Homebrew_PCBs] photoresist using laser printing

From: Adam Seychell <a_seychell@...>
Date: 2004-09-18

Tom Keys wrote:

> I've read somewhere that people don't like using laser printers for
> making their artwork, when using photoresist.
> Is the reason for this that the toner is not dark enough?
> I'm asking, becaused something came to my mind. You can buy foil
> transfer for laser printers and copiers, for as low as us$15 for 8"x100'.
> I can't see foil itself being transparant to light in any way. Has
> anyone ever tried this? Print the artwork onto a transparancy, then
> transfer the foil onto the toner, should give you 100% opaque artwork
> for the photo transfer.
>

I've never personally seen this transfer foil. Once the foil has been
transfered, is the remaining foil just a negative of the image ? Maybe
it is possible to use the foil paper as a negative photomask after doing
the transfer. Just a thought.

Adam