Etch PCB

From ElectroDragon Wiki

Quick BOM for Light sensing Etching

OR Kisten pre-sensitive board

OR Kisten Developer if you use Kinsten pre-sensitive board)

Quick Bom for Heat transfer Etching

Heat Transfer printing paper (can be replaced by Magazine paper)

Step by step

Compose film and copper board

  • The film is folding in between of two cover film, remove one side first
    Get the film from here.

Remove film.jpg

  • Place the film on copper board, clean the copper board with sand paper beforehand, so it's easy to stick on it, make sure the film is flat, and without bubble.

Copper board.jpg

  • Also possible to use an heat transfer machine to place the film like this

Heat transfer.jpg Place the film.jpg

  • Or heat the film up with iron, not too hot, so the film is fixed on top of copper plate.


  • Print Circuit board with photo film.


Exposure and developing

  • Exposure the circuit onto copper board which are already covered by film. Depends what kind of light you use, time is varying from 1 mins to 30 mins.For this UV light, you only need 1-2 mins.


  • Developing, remove the another layer of film, leave it in developing liquid which is pre-mixed with water by 1:00.



  • Etch. Etch solution here.

Developing 2.jpg

Extra Film Remove

  • Removing the rest film by film remover liquid pre-mixed.

Removing.jpg And now it done.

Drilling holes