derekhawkins wrote: > made from two draws (from a roadside garbage dump) sawn in half and > epoxied together. No form of collimation whatsoever, can do .007" > tracks and spacing with ease. Uses standard daylight bulbs, takes 5 > minutes per side for proper exposure using positive pre-sensitized > boards ($3.38 each for double sided 6"X4"). I can go from print to > etched board in less than 30 minutes. You just cannot get this sort > of workflow or board quality from TT. TT is something for the > absolute novice IMO....Which was me 5 years ago. > > http://www.pbase.com/eldata/image/52321530 > http://www.pbase.com/eldata/image/52321539 Did you use a single ballast and series connection for those tubes? How many starters did it need?
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Re: [Homebrew_PCBs] A $500.00 "UV" non-trivial exposure box.....
2005-11-16 by Russell Shaw