It might also have something to do with the UV wavelength. I think LEDs have a longer wavelength, close to purple, while the tubes might be further into the UV range. This may affect exposure time or resolution. > Someone said that no professional board shops use ultraviolet LEDs. Why > is that? > > -- > David Griffith > dgriffi@... >
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Re: [Homebrew_PCBs] LEDs versus tubes
2010-01-29 by James Bishop