Novel silicon crystals and process for their preparation

Details Novel silicon crystals and process for their preparation Novel silicon crystals and process for their preparation

1976-01-26

1983-05-10

Bernstein, Hiram H.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

1641222, C30B 1114

Patent

active

043828388

ABSTRACT:
A plate-like silicon crystal having a columnar structure formed along the direction of the shortest axis, produced by cooling molten silicon, which may contain a doping agent, in a temperature gradient between the two largest boundary surfaces of the melt, one of which has a maximum temperature of 1200.degree. C., and the opposite surface being at least 200.degree. to 1000.degree. C. higher, but below the melting point of silicon.

REFERENCES:
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patent: 2402582 (1946-06-01), Scaff
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patent: 3012865 (1981-12-01), Pellin
patent: 3051555 (1962-08-01), Rummel
patent: 3536121 (1970-10-01), Piearcey
patent: 3567526 (1971-03-01), Gell
patent: 3763926 (1973-10-01), Tschinkel
patent: 3900943 (1975-08-01), Sirtl et al.
Transactions of the Metallurgist Society of AIME, vol. 224, 12/62, 1271-1277.

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