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Homebrew PCBs

Index last updated: 2026-04-28 23:05 UTC

Message

Re: UV plotting

2003-07-07 by John Myszkowski

At that power, you just need to mask the excess light. You probably 
won't need a lens.
Even with less power, it is pretty actinic wavelength. Try and see 
what plotting speeds you can get with the normal output.

John M...
==============



--- In Homebrew_PCBs@yahoogroups.com, Cristian <bip@f...> wrote:
> High Power UV LED with Narrow Directivity, offered by Maplin, UK
> (www.maplin.co.uk) order code N76AJ, price GBP49.99.
> 	DC: 3.5volts/15mA
> 	10ms pulse: 30mA
> 	power disipation:60mW
> 	optical power output:750W @ If=10mA
> 	peak wavelength:375nm
> 	spectrum half width:12nm
> 	metal can ( 5.4 mm diameter x 6.2 mm length) with quartz 
window
> no more optical details, but one can try to find the manufacturer's 
site.
> 	manufacturer:NICHIA
> 
> Also 1000W wide directivity.
> 
> Any idea about a UV (quartz) colimating lens?
> Cristian

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