Improved apparatus for floating-zone melting by electron bombardment
F E Birbeck; A Calverley; F E Birbeck; Services Electronics Research Laboratory, Baldock, Herts; A Calverley; Services Electronics Research Laboratory, Baldock, Herts
Журнал:
Journal of Scientific Instruments
Дата:
1959-11-01
Аннотация:
An improved apparatus for floating-zone melting by electron bombardment is described. Provision is made for zoning speeds of 0-350 cm/h with bombarding voltages up to 10 kV at 500 mA. The operating vacua are of the order 10<sup>-6</sup> mb or better. Up to 22 cm of specimen length can be zoned.
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