Heat radiation deflectors within an EFG crucible

Details Heat radiation deflectors within an EFG crucible Heat radiation deflectors within an EFG crucible

1979-03-06

1981-06-02

Bernstein, Hiram

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including specific material of construction

C30B 3500

Patent

active

042711290

ABSTRACT:
The thermal profile at the top of an EFG die is improved by including heat radiation deflectors within the crucible to change the level of radiation heating experienced by at least some portions of the die.

REFERENCES:
patent: 3002824 (1961-10-01), Francois
patent: 3953174 (1976-04-01), LaBelle
patent: 4028059 (1977-06-01), LaBelle
patent: 4116641 (1978-09-01), Ciszek
patent: 4184907 (1980-01-01), Yates
patent: 4185076 (1980-01-01), Hatch et al.
Final Technical Progress Report, "Sapphire Ribbon", Jun. 26, 1969-Jun. 26, 1971, Tyco Lab., Contract No. DAAB05-69-C-0021.

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