FR4 PCB Pre-sensitised Photoresist Coated Laminate Copper Board – Double-Sided
Step 1- Create PCB design
Step 2 – Print it on a plastic/ trsparent paper
Step 3 – Expose it to UV light/Floresent light
Step 4 – Remove the photo sensitive coating to expose your design
Step 5 – Etch
This is very easy and more relaible than having to iron on the toner to the copper board. Cause sometimes your not accurate and you peel of the paper and some toner is still on the paper.