SINGLE CRYSTAL PRODUCTION APPARATUS, CRUCIBLE FOR USE THEREIN, AND METHOD OF PRODUCING SINGLE CRYSTAL

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United States of America Patent

APP PUB NO 20150225872A1
SERIAL NO

14424578

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Abstract

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The production apparatus is used in production of single crystals by solution growth techniques. The production apparatus includes a seed shaft, a crucible, and a drive source. The seed shaft has a lower end surface to which a seed crystal is to be attached. The crucible contains a solution from which a single crystal is made. The drive source causes the crucible to rotate, and also varies the rotational speed of the crucible. The inner peripheral surface of the crucible includes a flow control surface which defines a non-circular cross-sectional shape. This single crystal production apparatus is capable of strongly stirring the solution contained in the crucible.

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Patent Owner(s)

Patent OwnerAddress
TOYOTA JIDOSHA KABUSHIKI KAISHA1 TOYOTA-CHO TOYOTA-SHI AICHI-KEN 471-857
NIPPON STEEL & SUMITOMO METAL CORPORATIONTOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Daikoku, Hironori Susono-shi, JP 31 39
Kado, Motohisa Gotenba-shi, JP 19 22
Kamei, Kazuhito Kitakyushu-shi, JP 38 152
Kusunoki, Kazuhiko Nishinomiya-shi, JP 39 97
Moriguchi, Koji Nishinomiya-shi, JP 18 110
Okada, Nobuhiro Kisarazu-shi, JP 40 97
Sakamoto, Hidemitsu Susono-shi, JP 20 40
Yashiro, Nobuyoshi Itami-shi, JP 15 63

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