Metal treatment – Process of modifying or maintaining internal physical... – Chemical-heat removing or burning of metal
Patent
1974-04-03
1976-01-27
Ozaki, G.
Metal treatment
Process of modifying or maintaining internal physical...
Chemical-heat removing or burning of metal
148172, 148173, 252 623GA, H01L 738
Patent
active
039350398
ABSTRACT:
A method of manufacturing a green light-emitting gallium phosphide device which comprises the steps of preparing a liquid-phase epitaxial solution of one conductivity type containing a high concentration of nitrogen at a higher temperature than 1000.degree.C; bringing said epitaxial growth solution now cooled to 600.degree.C to 1000.degree.C into contact with a gallium phosphide substrate of the same conductivity type as said solution; cooling said epitaxial growth solution to form a liquid-phase epitaxial layer on said substrate; and forming a region in close proximity to said liquid-phase epitaxial layer with the opposite conductivity type thereto.
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patent: 3462320 (1969-08-01), Lynch et al.
patent: 3603833 (1971-09-01), Logan et al.
patent: 3617820 (1971-11-01), Herzog
patent: 3646406 (1972-02-01), Logan et al.
patent: 3725749 (1973-04-01), Groves et al.
patent: 3755017 (1973-08-01), Coughlin
Stringfellow, J. Electrochem. Soc.: Solid-State Science and Technology, Vol. 19, No. 12, Dec. 1972, pp. 1780-1782.
Beppu Tatsuro
Iwamoto Masami
Sekiwa Tetsuo
Ozaki G.
Tokyo Shibaura Electric Co. Ltd.
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