J C Brice et al 1969 J. Phys. E: Sci. Instrum. 2 1063 doi:10.1088/0022-3735/2/12/312
J C Brice, G W Lelievre and P A C Whiffin
Show affiliationsAn inexpensive hydropneumatically operated crystal puller is described. The basic apparatus provides infinitely variable pulling rates up to over 100 mm h−1. At rates over 2 mm h−1, the short term variations are less than 3% and long term changes are less than 5% per hour. The rotation rate is smoothly variable from zero to about 140 rev min−1 with a drift of less than 5% per hour at any given speed. The apparatus has been used with a variety of growth assemblies to grow crystals of materials with melting points in the range 270-2000°C.
Issue 12 (December 1969)
Received 16 July 1969
J C Brice et al 1969 J. Phys. E: Sci. Instrum. 2 1063
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