Homebrew PCBs

Good Point!

Different wavelength?  I bought mine 30 years ago to erase EPROMS.  I always
ran it in a closed box.

Alan  KM6VV

 
> Zdravo Alan,
> 
>   Thursday, April 6, 2006, 5:03:03 PM, ti rece:
> 
> > HI s,
> 
> > I have an HP scanner (SCSI) that I picked up for parts.  You're right,
> it
> > looks like it would make a GOOD light table.  I hadn't thought of using
> it
> > to expose paper!
> 
> > I was able to get a 12" (?) UV tube from a barber supply.  They use them
> as
> > germicidal lamps.  "Orchard Supply" or "Home Depot" should have them as
> grow
> > lamps as well.
> 
> > Lotta good stuff in a scanner!  Too bad mine is SCSI; but I intend to
> see if
> > I can get some of the electronics going before I part it out.
> 
> > Alan  KM6VV
> 
> 
> 
> 
>   A BIG WARNING:
> 
>   Do  not use GERMICIDAL lamps. these have peak radiation in UV-C part
>   of  the  spectrum (cca 270 nm). Photo resist, on the other hand, has
>   the  peak sensitivity somwhere near 340-360nm (UV-A), so black light
>   tubes would be OK.
> 
>   Shortwave  UV  (UV-C)  does not penetrate through the atmosphere and
>   therefore is not present on the earth's surface and it is HARMFUL to
>   eyes (causes irreversible damage to eyesight).
> 
> --
>  Best regards,
> 
>  Zoran A. Scepanovic
>  zastos@...
> 
> *********
> If a program is useless, it will have to be documented.
> *********
> 
> Please be advised what was said may be absolutely wrong, and hereby this
> disclaimer follows.  I reserve the right to be wrong and admit it in front
> of the entire world.
> 
> 
> 
> [Non-text portions of this message have been removed]
> 
> 
> 
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