Ebay seems cheap:
http://www.ebay.com/itm/200-x-SMD-SMT-0603-Super-bright-UV-Purple-LED-/110611085621I got some 5mm UV LEDs from Chris on here, he originally got them from eBay and the listing says 395~400nm.
They work well with the cheap negative-acting resist I bought from a Chinese eBayer also.
I'm not sure what the exact wavelength you're supposed to use but I would assume most any LED rated UV would work.
--- In Homebrew_PCBs@yahoogroups.com, "Duane C. Johnson" <redrok@...> wrote:
>
> Where do you get UV SMD LEDs.
> They seem very expensive?
> What wavelength should I look for?
>
> Duane
>
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