SAFETY

Protective clothing and eye goggles.


EXPOSE

Light Box Expose for 130 to 150 Seconds


DISOLVE PHOTORESIST

Tank 1 Check Every 10 Seconds until Bare Copper Visible

Wash PCB


ETCH

Tank 2 Check Every 5 Minutes until All Copper Dissolved.

Wash PCB


CLEAN OFF REMAINING PHOTORESIST

Tank 3 Check Every Minute Until Clean Copper Visible

Wash PCB


TIN

Tank 4 Check Every Minute Until Shiny Tin Colour

Wash PCB


CLEAN UP

Clean yourself up. Wash your hands to remove any contamination.