SAMPLE FOR QUALITY EVALUATION OF QUARTZ GLASS CRUCIBLE, PRODUCTION METHOD OF THE SAME, EVALUATION METHOD USING THE SAMPLE, AND PRODUCTION APPARATUS OF THE SAMPLE

PROBLEM TO BE SOLVED: To provide a sample for the quality evaluation of a quartz glass crucible, a production method of the sample, an evaluation method of the quality and the like using the sample, and a production apparatus of the sample. SOLUTION: A quartz glass crucible is cut out into a U shape...

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Hauptverfasser: SHIMAZU ATSUSHI, ICHINOSEKI FUSAO
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creator SHIMAZU ATSUSHI
ICHINOSEKI FUSAO
description PROBLEM TO BE SOLVED: To provide a sample for the quality evaluation of a quartz glass crucible, a production method of the sample, an evaluation method of the quality and the like using the sample, and a production apparatus of the sample. SOLUTION: A quartz glass crucible is cut out into a U shape or J shape in the direction containing the center of the crucible to make a primary sample. The primary sample is cut out in the direction perpendicular to the cutting-out direction of the primary sample and in the thickness direction of the primary sample to make a secondary sample. While the inner wall surface and the outer wall surface of the crucible are left, a plurality of grooves are cut between the inner wall surface and the outer wall surface, whereby a sample for the quality evaluation having a plurality of strip-shaped portions thus provided is produced, and is used for the evaluation. COPYRIGHT: (C)2011,JPO&INPIT
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subjects AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE
APPARATUS THEREFOR
CHEMISTRY
CRYSTAL GROWTH
GLASS
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
MEASURING
METALLURGY
MINERAL OR SLAG WOOL
PHYSICS
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
TESTING
UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL
title SAMPLE FOR QUALITY EVALUATION OF QUARTZ GLASS CRUCIBLE, PRODUCTION METHOD OF THE SAME, EVALUATION METHOD USING THE SAMPLE, AND PRODUCTION APPARATUS OF THE SAMPLE
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