METHOD FOR SYNTHESIZING POWDER AND METHOD FOR MANUFACTURING ELECTRONIC COMPONENT

PROBLEM TO BE SOLVED: To produce powder having small particle size and excellent crystallinity. SOLUTION: The method for synthesizing powder comprises: a reaction environment creation step of mixing raw materials with a solvent, which comes into a supercritical state under the pressure and temperatu...

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Hauptverfasser:	KO KINTO, IMURA TOMOYA, NAKAHATA ISAO, MASUZAWA KIYOYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INORGANIC CHEMISTRY METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To produce powder having small particle size and excellent crystallinity. SOLUTION: The method for synthesizing powder comprises: a reaction environment creation step of mixing raw materials with a solvent, which comes into a supercritical state under the pressure and temperature lower than those when water alone comes into the supercritical state, to prepare slurry, heating the slurry, and mixing an accelerant including water in the slurry the temperature/pressure of which is raised/increased by heating, at the least, to create a reaction environment of a subcritical or supercritical state; and a powder production step of leaving the slurry in the created reaction environment for a predetermined time to produce powder and stopping the growth of particles after a predetermined time lapses. COPYRIGHT: (C)2011,JPO&INPIT