Heating element for heating crucibles and arrangement of heating elements
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Mar 12, 2002
Grant Date -
N/A
app pub date -
Dec 8, 2000
filing date -
Dec 9, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
There is provided a heating element and an arrangement of heating elements, respectively, for heating crucibles, in particular for LEC devices for growing semiconductor single crystals, with a tulip-shaped bottom heater (20) being built such that the heater legs of the main heater (40) positioned thereabove can barely be guided towards the bottom. Such arrangement of bottom and main heater enables multi-heater arrangements without having to interfere with a lateral insulation (18) which, thus, need not be cut out or pierced.
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