Adhesive bonding and miscellaneous chemical manufacture – Delaminating processes adapted for specified product – Delaminating in preparation for post processing recycling step
Patent
1980-09-05
1982-07-13
Clements, Gregory N.
Adhesive bonding and miscellaneous chemical manufacture
Delaminating processes adapted for specified product
Delaminating in preparation for post processing recycling step
156DIG66, 156DIG70, 75 62, C30B 2940
Patent
active
043393020
ABSTRACT:
A Group III element Q selected from gallium, indium and thallium containing a Group VI element X selected from oxygen, sulphur, selenium and tellurium as an impurity can be purified by adding, to molten Q, an element M capable of forming with X a stable solid compound substantially insoluble in liquid Q. The stable solid compound can be separated and the purified Q used in the epitaxial growth of a semiconductor material such as indium phosphide. Alternatively, in a process for the epitaxial growth of a semiconductor compound of Q in molten Q, X can be removed in situ by the addition of a suitable element of the M-type.
REFERENCES:
patent: 2898278 (1959-08-01), Plust
patent: 3093475 (1963-06-01), Dryer, Jr.
"Pair Spectra", Dean et al., published in J. of Applied Physics., vol. 41, Jul. 1970, pp. 3475-3479.
Minden, "Intermetallic Semiconductors", published in Semiconductor Products, Feb. 1959, pp. 30-42.
Faktor Marc M.
Haigh John
Clements Gregory N.
The Post Office
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