CRUCIBLE FOR DEPOSITING AL

The present invention relates to a crucible for metalizing Al having durability against high temperature. The present invention prevents a heater from being damaged due to a leakage of an evaporated matter when a crack is generated and has a structure which prevents that the evaporated matter is boi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LEE, JUNG KYU, KIM, SEONG MOON, CHI, DAE JOON, HONG, YE WON, JEONG, KWANG HO
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	The present invention relates to a crucible for metalizing Al having durability against high temperature. The present invention prevents a heater from being damaged due to a leakage of an evaporated matter when a crack is generated and has a structure which prevents that the evaporated matter is boiled and overflows or condenses rather than evaporated in a desired direction. According to the present invention, the crucible has a matter spray unit and a matter filling unit for containing a matter, which are integrated. A contact section of the matter filling unit and the mater spray unit is a bottleneck section, and the matter spray unit is formed in a funnel shape of which the area becomes wider towards the upper part. The crucible includes a protection layer attached to an outer wall of the matter filling unit and the matter spray unit. A heater can be recycled due to the protection layer even if the crack is generated on the crucible.