[labnetwork] LED lights in photosensitive areas - yellow lens needed?

[Bill Flounders]

Request spectral output of LED from LED supplier.
Compare output curve to specifications of
room bench is designed for.

Bill
UC Berkeley


On 7/7/2017 9:57 AM, Frank Gavin wrote:
>
> Hello everyone
>
> We are suppliers of wet process equipment and one of our vendors of 
> HEPA and ULPA fan/filter units tells us that we do not need to add 
> yellow lens covers over LED light because such lights do not emit 
> ultraviolet light.  I am always suspicious of simple convenient 
> solutions so I want to put this statement out to this learned 
> community and learn if this statement is true.  Perhaps some members 
> have experience using LED lights in photosensitive areas of their fab 
> and would care to comment?
>
> Best Regards,
>
> FRANK GAVIN, Sales Eng.
>
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