FIELD: electronics.
SUBSTANCE: device has quartz crucible placed on graphite substrate rigidly fixed on rod. Substrate is made combined in form of upper and lower disks and shell, mounted coaxially to each other, while upper disk having greater diameter than lower disk is made with possible fixing relatively to lower disk and crucible with shell. Lower disk is fixed on rod, and shell is formed and fixed around crucible. As material for shell foil of thin-layered graphite may be used.
EFFECT: higher quality, higher effectiveness, higher safety.
2 cl, 1 dwg
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