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I have been looking into making my own PCB's, but I noticed there is little information on making photo hardening paint. This is a critical component when etching the circuit, and I am very curious on the chemistry involved in making it. I understand there are better methods to make your own pcb, but I am curious how photoresist is made

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  • $\begingroup$ Did you consider to print the circuit on glossy magazine paper with a laser printer and transfer the mask with a flat iron instead? $\endgroup$ – Klaus-Dieter Warzecha Dec 15 '16 at 21:10
  • $\begingroup$ yes, but I'm not looking for the easiest method, I'm curious on the photoresist method. $\endgroup$ – fftk4323 Dec 15 '16 at 21:16

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