Adjustable heat shield assembly
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United States of America Patent
Stats
-
Sep 6, 1983
Grant Date -
N/A
app pub date -
Sep 1, 1981
filing date -
Sep 1, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A novel apparatus is disclosed for use in controlling in a known and predictable manner the temperature of the top surface of a capillary die and the adjacent meniscus during the growth of a crystalline body. The novel apparatus comprises an adjustable heat shield assembly with relatively movable members which can be positioned in such a manner as to provide improved temperature control at the top end of the die which assists in ensuring that a crystalline body grown by means of the capillary die will have a substantially constant cross-sectional size.
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