Re: Good Deal? SURE !!

Thanks Jim. Good info. I figured there had to be a way to use this
beautiful thing.

Bob Volk 

Original Poster: "Jim Lux" <jimlux-at-jpl.nasa.gov> 
> > NO, not that I can see. It does have a label that says "Leybold-Heraeus" 
> > High Voltage Supply.  
> Leybold Heraeus is a well known mfr of Vacuum pumps and other vacuum
> equipment. 
> Given the variac, and the general power level, and the fact that I have a
> unit very similar, I'd say it is a power supply for an Ebeam unit.
> Basically, you blast a high current beam of electrons at a target of some
> material, which makes it melt and then evaporate. The ions then fly through
> the vacuum and hit the piece you want to plate onto. Pretty standard vacuum
> deposition equipment.  Mine is 35 kV at 300 mA with a big transformer and
> bridge rectifier (8020A tubes) submerged in a oil tank. It had a bunch of
> smaller bias supplies to do things like deflect the beam to hit the target
> properly, and such.
> A trip to the Kurt J. Lesker web site would probably tell you everything
> you need to know about this equipment (the KJL catalog is worth getting as
> a "wish book" anyway.. doesn't everyone need an UHV system in their
> garage?)
> > > 
> > > >5)My first coil is powered by 15k/60 mA NST (900 watts). What can I
> > > >expect in performance increase with this monster as opposed to
> > > >increasing my NST to 120 mA?
> Actually, you can run this with single phase input, probably... It will
> just have more ripple, and less total output.  Do the usual thing: run it
> the first time with a light bulb in series with the AC line to limit the
> current and fire it up. So it puts out a bit less voltage and current than
> rated... It'll still be bigger than your NST!!
> ALso, you could rig up an array of capacitors to synthesize the 3 phase
> pretty easily.