FINE PARTICLE SYNTHESIS METHOD AND ELECTRONIC-COMPONENT MANUFACTURING METHOD
PROBLEM TO BE SOLVED: To provide a synthesis method of fine particles, reducing corrosion of a reaction container and the like, preventing an impurity due to the corrosion from being mixed into a product, and broadening choices of materials of the reaction container and the like. SOLUTION: The synth...
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| creator | KO KINTO IMURA TOMOYA NAKAHATA ISAO MASUZAWA KIYOYUKI |
| description | PROBLEM TO BE SOLVED: To provide a synthesis method of fine particles, reducing corrosion of a reaction container and the like, preventing an impurity due to the corrosion from being mixed into a product, and broadening choices of materials of the reaction container and the like. SOLUTION: The synthesis method of fine particles includes: creating a subcritical or supercritical reaction environment by at least one of heat and pressure by using a mixed medium comprising water and a solvent which makes the mixed medium into a supercritical state at a lower temperature and a lower pressure than those in the case of water alone; and leaving source materials under the created subcritical or supercritical reaction environment as a reaction field for a predetermined time to produce fine particles. By this method, critical conditions to create a subcritical or supercritical state can be alleviated in comparison with the case of water alone. COPYRIGHT: (C)2010,JPO&INPIT |
| format | Patent |
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SOLUTION: The synthesis method of fine particles includes: creating a subcritical or supercritical reaction environment by at least one of heat and pressure by using a mixed medium comprising water and a solvent which makes the mixed medium into a supercritical state at a lower temperature and a lower pressure than those in the case of water alone; and leaving source materials under the created subcritical or supercritical reaction environment as a reaction field for a predetermined time to produce fine particles. By this method, critical conditions to create a subcritical or supercritical state can be alleviated in comparison with the case of water alone. 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| subjects | BASIC ELECTRIC ELEMENTS CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F ELECTRICITY INORGANIC CHEMISTRY METALLURGY |
| title | FINE PARTICLE SYNTHESIS METHOD AND ELECTRONIC-COMPONENT MANUFACTURING METHOD |
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