Shaped crystal fiber growth method

Details Shaped crystal fiber growth method Shaped crystal fiber growth method

1984-07-10

1986-08-12

Bernstein, Hiram H.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

260707, 156DIG113, C30B 1534

Patent

active

046054685

ABSTRACT:
An apparatus and method pulling a shaped crystalline fiber of a given crystal-forming material from a liquid reservoir of the material. The apparatus includes a vessel in which the liquid material is maintained as a liquid reservoir at a temperature above the melting point or crystal-forming temperature of the material. A die is provided having an inner-tubular surface which includes a crystal shaping portion which is tapered. The liquid flows from the reservoir through the die so that the liquid flows from the narrow end of the shaping portion to the wide end of the shaping portion. The temperature of the liquid crystal growth material is selectively lowered at the top end of the die to form crystalline material which is continually pulled from the crystal-liquid interface. The apparatus is operated to maintain the crystal-liquid interface within the crystal shaping portion of the die to provide accurate shaping of the crystal by the tubular surface and to maintain accurate alignment of the crystal fiber with the die.

REFERENCES:
patent: 3393054 (1968-07-01), Rupprecht et al.
patent: 4167554 (1979-09-01), Fisher
patent: 4211600 (1980-07-01), Cole
patent: 4264385 (1981-04-01), Fisher

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