Uniform thermal migration utilizing noncentro-symmetric and seco

Details Uniform thermal migration utilizing noncentro-symmetric and seco Uniform thermal migration utilizing noncentro-symmetric and seco

1975-12-31

1977-03-15

Ozaki, G.

Metal treatment

Compositions

Heat treating

148171, 148172, 148177, 148179, 148186, 148187, 148188, 252 623GA, 252 623E, H01L 21228

Patent

active

040122360

ABSTRACT:
The geometric configuration of a molten zone migrating through a solid body of semiconductor material during thermal gradient zone melting is maintained by simultaneous noncentro-symmetric and secondary rotation of the solid body.

REFERENCES:
patent: 2813048 (1957-11-01), Pfann
patent: 3897277 (1975-07-01), Blumenfeld
patent: 3898106 (1975-08-01), Cline et al.
patent: 3899361 (1975-08-01), Cline et al.
patent: 3899362 (1975-08-01), Cline et al.
patent: 3901736 (1975-08-01), Anthony et al.
patent: 3902925 (1975-09-01), Anthony et al.
patent: 3904442 (1975-09-01), Anthony et al.
patent: 3910801 (1975-10-01), Cline et al.
patent: 3936319 (1976-02-01), Anthony et al.
patent: 3956023 (1976-05-01), Cline et al.

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