Tag Archives: Sylvania

PCB Exposure Box with UV fluorescent lamps

This is my new big (A4+) PCB exposure box made with MDF. I used fluorescent UV lamps from Sylvania type T8 BL350. Exposure time is 5 minutes from a distance of 6 cm from the lamps with excellent results. Now I can achieve minimum clearance between tracks and minimum track width down to 7mils (0.18mm). […]