JP2503130B

JP2503130B

A liquid-phase growth process of a compound semiconductor which is capable of effectively controlling the generation of a surface defect and improve the product quality and production yield is disclosed in which before the start of liquid-phase growth, a substrate and a solution are held in a 100% h...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HIGUCHI SUSUMU, NAKAMURA AKIO, OOTAKI NORIO, YANAGISAWA MUNEHISA
Format: Patent
Sprache:eng
Schlagworte:
AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE
APPARATUS THEREFOR
BASIC ELECTRIC ELEMENTS
CHEMISTRY
CRYSTAL GROWTH
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC
GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS
METALLURGY
PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE
REFINING BY ZONE-MELTING OF MATERIAL
SEMICONDUCTOR DEVICES
SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE
SINGLE-CRYSTAL-GROWTH
TECHNICAL SUBJECTS COVERED BY FORMER USPC
TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS
UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL
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Beschreibung
Zusammenfassung:A liquid-phase growth process of a compound semiconductor which is capable of effectively controlling the generation of a surface defect and improve the product quality and production yield is disclosed in which before the start of liquid-phase growth, a substrate and a solution are held in a 100% hydrogen atmosphere or a mixed gas atmosphere consisting of more than 80% of hydrogen and the rest of an inert gas, and immediately before the start of the liquid-phase growth, the atmosphere is changed to a mixed gas atmosphere consisting of not more than 60% of hydrogen and the rest of the inert gas.