METHOD FOR PRODUCING NITRIDE CRYSTAL, AND NITRIDE CRYSTAL

• Main Authors: KAWABATA SHINICHIRO, MIKAWA YUTAKA, KAGAMITANI YUJI, FUJISAWA HIDEO, NAGAOKA HIROBUMI, KAMADA KAZUNORI
• Format: Patent
• Language: English; French; Japanese
• Published: 02.05.2013
• Subjects: 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

A method for producing a nitride crystal, wherein a nitride crystal starting material containing tertiary particles having a maximum diameter of 1-120 mm, which are composed of aggregated secondary particles having a maximum diameter of 100-1,000 mum, is filled into a starting material filling regio...