Homebrew PCBs

> a/ The problem may be that I am using Phillips TL 8W / 08 F8 
T5 /BLB 
> blacklight tubes and not pcb exposure tubes (which are now back in 
> stock). Maybe these tubes do not produce the uv required to expose 
> the board or 
> b/ the glass is stopping the uv from passing to to the board (this 
> was salvaged from a
> cheap photoframe)
 
I use 15 watt blacklight tubes, they work fine, normally expose 
about 5 mins.