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Subject: Re: [Homebrew_PCBs] Re: “Dragon’s Blood” resin reduces undercut?

From: Russell Shaw <rjshaw@...>
Date: 2009-06-24

a3v03v0 wrote:
> I would guess that you are aware of these, but in case you are not.
>
> Pulsar's paper is coated with starch and will not pull properly attached
> toner from a PCB. The starch dissolves allowing the paper to float away
> from the PCB.
>
> Pulsar has a foil the will help bridge pinholes in the toner. It does
> not bridge missing toner.
>
> The pulsar site also has/had a page on etching the pcb using a sponge.
> The mechanical action greatly reduces the etching time. It uses Ferric
> Chloride so a vent hood is a must.

You could add starch to your own paper.

http://www.google.com.au/search?hl=en&q="spray+starch"&btnG=Google+Search&meta=&aq=f&oq=

http://frugalliving.about.com/od/colthing/r/Spray_Starch.htm