On Tue, 27 Mar 2001 14:14:02 -0500, you wrote: >Hi All, > >When using photo-positive PCB, I need a UV light source to expose the = board. >Where can I buy this UV light? I saw in Home Depot a kind florecent = tubes >like those we use at home but violet in color (I suppose they give UV >light). Can I use them? The correct tubes are the ones designed for insect killers. Available from any good electrical store. DO NOT use the germicidal type, which have clear glass as opposed to the white appearence of the insect-killer tubes. More info on PCB making=20 www.netcomuk.co.uk/~wwl/pcbs.html -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics