Apparatus for pulling crystal ribbons from a truncated wedge sha

Details Apparatus for pulling crystal ribbons from a truncated wedge sha Apparatus for pulling crystal ribbons from a truncated wedge sha

1976-04-16

1978-09-26

Emery, Stephen J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including specific material of construction

156608, 156617SP, 422249, B01J 1718, C01B 3302

Patent

active

041166418

ABSTRACT:
Method and apparatus for forming an elongated silicon crystalline body using a specially designed capillary die. The method and apparatus uses a higher melt meniscus in the central region of the growth front than at the edges of the front. The edges of the top surface of the die are not concentric with the ribbon cross-section.

REFERENCES:
patent: 3124489 (1964-03-01), Vogel
patent: 3591348 (1971-07-01), Labelle
patent: 3650703 (1972-03-01), Labelle
patent: 3687633 (1972-08-01), Labelle
patent: 3870477 (1975-03-01), Labelle
patent: 3915662 (1975-10-01), Labelle
patent: 3961905 (1976-06-01), Rice
Swartz, Journal of Electronic Materials, vol. 4, No. 2, 1975, pp. 255 to 279.
Schwutteke et al., Si Ribbon Growth by Alap., Act Shaping Technique, Quart Tech. Prog. Rep., #2, Dec. 15, 1975, pp. 2-29.

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