Metal treatment – Compositions – Heat treating
Patent
1982-07-22
1984-08-28
Ozaki, G.
Metal treatment
Compositions
Heat treating
148171, 148172, 148173, 156624, H01L 21208
Patent
active
044682581
ABSTRACT:
A method of controlling the partial pressure of at least one substance or substance mixture comprising arranging the substance or mixture of substances in a chamber, arranging at least one element containing the substance or mixture of substances in the chamber and selecting the structure or crystal structure of the element to provide the desired partial pressure in the chamber.
REFERENCES:
patent: 3533856 (1970-10-01), Panish et al.
patent: 3664294 (1972-05-01), Solomon
patent: 3752118 (1973-08-01), Solomon et al.
patent: 4227962 (1980-10-01), Antypas
Panish et al., J. of Crystal Growth, vol. 11, 1971, pp. 101-103, 156-624.
Pfister Werner
Schlosser Ewald
Licentia Patent-Verwaltungs-GmbH
Ozaki G.
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