Apparatus for producing Group-III nitride semiconductor crystal including nitrogen source nozzles with different spray directions

An apparatus for producing a Group-III nitride semiconductor crystal includes a raw material reaction chamber, a raw material reactor which is provided in the raw material reaction chamber and configured to generate a Group-III element-containing gas, a board-holding member configured to hold a boar...

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Bibliographische Detailangaben
Hauptverfasser:	Matsuno, Shunichi, Hoteida, Masayuki, Takino, Junichi
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:	An apparatus for producing a Group-III nitride semiconductor crystal includes a raw material reaction chamber, a raw material reactor which is provided in the raw material reaction chamber and configured to generate a Group-III element-containing gas, a board-holding member configured to hold a board in the raw material reaction chamber, a raw material nozzle configured to spray the Group-III element-containing gas toward the board, a nitrogen source nozzle configured to spray a nitrogen element-containing gas toward the board, in which, in a side view seen in a direction perpendicular to a vertical direction, a spray direction of the nitrogen source nozzle intersects with a spray direction of the raw material nozzle before the board, and a mixing part in which the Group-III element-containing gas and the nitrogen element-containing gas are mixed together is formed around the intersection as a center, a heater, and a rotation mechanism.