Metal treatment – Compositions – Heat treating
Patent
1978-09-21
1980-01-22
Ozaki, G.
Metal treatment
Compositions
Heat treating
148178, 148188, H01L 21225
Patent
active
041848977
ABSTRACT:
Carrier droplets are employed in moving melts of metal-rich semiconductor material through a solid body of semiconductor material by thermal gradient zone melting. One element of the droplet is selected for its ability to penetrate and migrate through the semiconductor material at a reasonable rate. One or more second elements are included in the droplet to impart the desired level of resistivity, conductivity type and/or level of lifetime to the recrystallized semiconductor material or to the material of the body.
REFERENCES:
patent: 2813048 (1957-11-01), Pfann
patent: 3988762 (1976-10-01), Cline et al.
patent: 3988766 (1976-10-01), Anthony et al.
patent: 3988767 (1976-10-01), Anthony et al.
patent: 3988768 (1976-10-01), Anthony et al.
patent: 3998662 (1976-12-01), Anthony et al.
patent: 4001047 (1977-01-01), Boah
patent: 4010534 (1977-03-01), Anthony et al.
patent: 4032364 (1977-06-01), Anthony et al.
Anthony Thomas R.
Cline Harvey E.
Cohen Joseph T.
General Electric Company
MaLossi Leo I.
Ozaki G.
Winegar Donald M.
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