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Subject: Re: [Homebrew_PCBs] Re: Yahoo- Etching is getting MUCH better...

From: "Stefan Trethan" <stefan_trethan@...>
Date: 2005-09-09

On Thu, 08 Sep 2005 21:22:42 +0200, Phil <phil1960us@...> wrote:

>
> I use a copier to lay down the toner and even when I crank up the
> density I still get pinholing. It's the nature of the toner process.
> If you look at the transfered toner with a microscope, you can see
> that it is still just a bunch of plastic particles. However, with a
> really fast etch, I find pinholing to be much reduced. That's an
> argument for hotter etchant.


With inkjet paper and a fuser i don't have pinholing, but with silicone
paper i get it again, which is kind of a problem and why i don't use it
anymore at the moment. Must try hot air reflow of the toner one day....

ST