=FBwE"
 
On Tw=C5f=DB=DF+=DFf=FBZ=F8~?=D2r=BC=F5D=A8=A4hu, 9 Feb 1995, Walter R. T. =
Witschey wrote:
 
> Museum-L:   One of our members has available for donation to a worthy
> museum a machine designed to grow silicon crystals for subsequent
> slicing into wafers for computer chips, to wit:
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> A large machine, of Texas Instruments design, known as a "Chamber
> Lopex Model 2" Silicon Float-zone Crystal Grower. It was used, until
> about five years ago, to grow crystal rods about 1" in diameter of
> very pure silicon. (Its capacity could go up to perhaps 2" dia.)
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> It is BIG and HEAVY. Specifically, about 10' high with a 4' x 6' foot
> print, and an accompanying RF power generator about 7' high with a 3'
> x 6' footprint. Power required to operate... <<50kw of 440VAC 3ph.
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> This fun rascal is available at no cost to a worthy Museum. Offeror
> may help load it onto your truck (capable of hauling several tons)
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> If you have a serious inquiry, I'm prepared to pass it along to the
> machine's owner.
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> Walter
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> --
> Walter R. T. Witschey, Ph.D.
> Director, Science Museum of Virginia
> 2500 West Broad Street, Richmond, VA 23220
> Voice: (804) 367-6799,  FAX (804) 367-9348
> e-mail [log in to unmask]
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