SILICON FUSION VESSEL AND FUSION DEVICE USING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a fusion vessel and a fusion device using this vessel, capable of efficiently fusing metal, by restraining generation of a skull in the vessel. SOLUTION: This invention is related to the fusion vessel for melting a refining raw material by irradiating an electron beam in a vacuum, and has a vessel body 5 composed of copper capable of being cooled by water and having a predetermined-shaped storage part, and forms a curved surface part in a corner part of a storage part of the vessel body 5. This invention can also be so constituted that both a radius of curvature Rfof the curved surface part of the corner part in a plan view of the vessel body 5 and a radius of curvature Rsof the curved surface part of the corner part in a cross-sectional drawing of the vessel body 5, become within the same range, and is desirably constituted so that both the radius of curvature Rfof the curved surface part of the corner part in the plan view of the vessel body 5 and the radius of curvature Rsof the curved surface part of the corner part in the cross-sectional drawing of the vessel body 5, become 10 to 40 mm. COPYRIGHT: (C)2008,JPO&INPIT