C - Chemistry – Metallurgy – 30 – B
Patent
C - Chemistry, Metallurgy
30
B
148/3.8
C30B 29/42 (2006.01) C30B 27/02 (2006.01)
Patent
CA 1214381
ABSTRACT OF THE DISCLOSURE Gallium arsenide single crystals are grown under an encapsulant of boron oxide which contains a predetermined amount of water in the range of 200 to 1000 ppm. The GaAs crystals so produced are stable in that the resistivity of the GaAs upon heat treatment remains substantially constant. The GaAs single crystals as produced may be subjected to a bulk anneal to further improve the stability.
432839
Bult Roelof P.
Needham James G.
Schroeder Ted E.
Cominco Ltd.
Gowling Lafleur Henderson Llp
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