Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

José wrote:

> Dears,
> I have a cuestion:
> I would like to make my own photoresist.
> Someone knows a home-method?
> Regards,
> José from Argentina
>

Here are two introductory links on positive resists.

http://dot.che.gatech.edu/henderson/introduction_to_dnq-novolac__resists.htm

http://www.ee.washington.edu/research/microtech/cam/PROCESSES/PDF%20FILES/PhotoresistPos.pdf

Let us know how you come along making photoresist at home :)

No seriously, I think the closest you'll get to making photoresists at home
is to go through some old photography books and learn how they used to make
before the days of organic synthesis. I recall gelatin and silver nitrate
as being some of the ingredients they use to use.

Adam.