How To Make A Photoplate

How to make a photoplate to etch brass or copper using dry film.


Apply film to metal

Insert film covered metal in negative image.

Expose and keep in dark place 5 to 15 minutes.

Remove top film. Develop in Na2Co that has been heated to 30 – 40 degrees C. Adjust concentration to develop in 1 to 3 minutes.

Wash with water and dry.

Etch in Ferric Chloride 20% Water 80%


Remove film in NaOH.



We hope that you found the information in this page useful. The internet is all about getting and giving. And giving back is the best. Please donate $1 or more to aid us in our continuing quest to add to and polish the information in our site.

Scroll to top