Method for manufacturing gallium phosphide single crystals

Details Method for manufacturing gallium phosphide single crystals Method for manufacturing gallium phosphide single crystals

1982-01-04

1984-02-14

Bernstein, Hiram H.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156DIG70, C30B 2702

Patent

active

044314760

ABSTRACT:
A gallium phosphide single crystal is prepared from a polycrystalline gallium phosphide powder as a starting raw material which is obtained by hydrogen reduction of gallium phosphate and which contains residual phosphate radicals in an amount of 0.03 to 0.5% by weight. The gallium phosphide powder is compressed to prepare a green compact which is then melted to provide a gallium phosphide liquid. The gallium phosphide liquid is brought into contact with a seed crystal and is pulled.

REFERENCES:
patent: 3647389 (1972-03-01), Weiner
patent: 4196171 (1980-04-01), Watanabe et al.
patent: 4303464 (1981-12-01), Suzuki et al.

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