応用物理
Online ISSN : 2188-2290
Print ISSN : 0369-8009
ゲルマニウムの單結晶製造裝置
岩瀬 新午
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ジャーナル フリー

1954 年 23 巻 4 号 p. 156-159

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A vacuum furnace using a molybdenum heater for use in pulling single crystals of germanium from a melt is described. It has a pulling rod with rotation, two removable impurity adders and an adjusting rod for crucible bdse and coufd be observed during the run through windows with shutters.
The vacuum system consisted of a 4'' oil diffusion pump of the speed of 100l/sec and a 500 l/min mechanical pump and the vacuum higher than 5×10-5 mmHg was maintained during operation.
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