Method of and apparatus for growing crystal ribbon

Details Method of and apparatus for growing crystal ribbon Method of and apparatus for growing crystal ribbon

1981-02-23

1982-06-15

Clements, Gregory N.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156DIG88, 422246, C30B 1534

Patent

active

043349480

ABSTRACT:
A method and apparatus for growing crystal ribbon from a liquid melt by the EFG technique includes the use of a die having a capillary feed passage adjacent the ribbon pulling mechanism and gas scrubbing passages on each side of the capillary feed passage. Thus, gas entrapped in the liquid melt can diffuse through the gas scrubbing passages to minimize the presence of microvoids in the ribbon. In a particular embodiment, the capillary die can include lateral communicating passages between the capillary feed passage and the gas scrubbing passage so that gas in the capillary feed passage can diffuse out to the gas scrubbing passage.

REFERENCES:
patent: 3870477 (1975-03-01), Labelle, Jr.
patent: 3915656 (1975-10-01), Mlavsky et al.
patent: 4022652 (1977-05-01), Hirano et al.
patent: 4246064 (1981-01-01), Dewees et al.
patent: 4269652 (1981-05-01), Yancey
patent: 4271129 (1981-06-01), Berkman et al.

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