METHOD FOR CONTROLLING GROWTH DIRECTION OF ICE CRYSTAL AND DEVICE FOR ICE CRYSTAL GROWTH EXPERIMENT

METHOD FOR CONTROLLING GROWTH DIRECTION OF ICE CRYSTAL AND DEVICE FOR ICE CRYSTAL GROWTH EXPERIMENT

PROBLEM TO BE SOLVED: To automate the observation of ice crystal growth. SOLUTION: This device 1 is provided with a crystal growth cell 2 which is filled with water and cooled to a temperature equal to or lower than the freezing point of water and also has a charge coupled device 23 and a comparator...

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Bibliographische Detailangaben
Hauptverfasser: KOSHIKAWA NAOKIYO, MASAKI MASAHIKO, FURUKAWA YOSHIZUMI, TOMOBE TOSHIYUKI, KIGUCHIYA SEIGO, KAWASAKI KAZUNORI, NAKAMURA SUKEHIRO
Format: Patent
Sprache:eng
Schlagworte:
AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE
APPARATUS THEREFOR
CHEMISTRY
CRYSTAL GROWTH
METALLURGY
PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE
REFINING BY ZONE-MELTING OF MATERIAL
SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE
SINGLE-CRYSTAL-GROWTH
UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To automate the observation of ice crystal growth. SOLUTION: This device 1 is provided with a crystal growth cell 2 which is filled with water and cooled to a temperature equal to or lower than the freezing point of water and also has a charge coupled device 23 and a comparator 25, a glass capillary 3 one end side of which is inserted into water in the crystal growth cell 2 and the other end side of which is positioned outside the crystal growth cell 2 and cooled, and a nucleus formation cell 4 having a thin platelike water bath 41A which is placed on the other end side of the glass capillary 3 and used for growing a thin platelike ice crystal C formed on the one end side of the glass capillary 3, in such a way that the ice crystal C is parallel to the comparator 25.