Chemistry: electrical and wave energy – Processes and products – Vacuum arc discharge coating
Patent
1973-07-23
1976-09-07
Vertiz, Oscar R.
Chemistry: electrical and wave energy
Processes and products
Vacuum arc discharge coating
75134G, 75134T, 75134S, 75134H, 75134P, 252 623E, 252 623S, 252 623GA, 252518, C01C 1500
Patent
active
039792714
ABSTRACT:
Solid layer semiconductor compositions are deposited by the simultaneous sputtering from a sputter target and electrically discharge a reacting gas preferably by application of an RF potential. Preferably, the method is used to make solid solution layers and most desirably solid solution epitaxial layers of at least two semiconductor materials. The method may be used to make novel metastable compositions such as (GaAs).sub.1.sub.-x Si.sub.x, (GaAs).sub.1.sub.-x Ge.sub.x, (InSb).sub.1.sub.-x Si.sub.x, (InSb).sub.1.sub.-x Ge.sub.x, (InAs).sub.1.sub.-x Si.sub.x and (InAs).sub.1.sub.-x Ge.sub.x (where x is a number greater than about 0.01, and x + (1-x) = 1, and Ga.sub.x As.sub.y Si.sub.z, Ga.sub.x As.sub.y Ge.sub.z, In.sub.x Sb.sub.y Si.sub.z, In.sub.x Sb.sub.y Ge.sub.z, In.sub.x As.sub.y Si.sub.z, In.sub.x As.sub.y Ge.sub.z and In.sub.x Sb.sub.y As.sub.z (where x, y and z are numbers greater than about 0.01, and x + y + z = 1).
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Francombe Maurice H.
Noreika Alexander J.
Langel Wayne A.
Menzemer C. L.
Vertiz Oscar R.
Westinghouse Electric Corporation
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