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Subject: Re: [Homebrew_PCBs] RE: Home made double side PCB with solder mask and silk screen!

From: James Sleeman <bitsyboffin@...>
Date: 2014-03-01

Russell Shaw wrote:
>
>
> Expose it in direct sunlight (it has a ∗lot∗ of UV). If it works,
> maybe your UV
> source is no good
>

I will, but my UV box has cured it normally (without the thinning and
baking) fine, rather unlikely that every single one of the 200 leds has
lost it's UV emitting power since I last used it (and yes I did check
they are turning on) :-)