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Patent Searching and Data


Title:
単結晶の熱処理方法
Document Type and Number:
Japanese Patent JP4770337
Kind Code:
B2
Abstract:
A single crystal heat treatment method having a step of heating a single crystal of a specific cerium-doped silicate compound in an oxygen-poor atmosphere at a temperature T1 (units: ° C.) that satisfies the conditions represented by formula (3) below 800≰T1<(Tm1−550)  (3) (wherein Tm1 (units: ° C.) represents the melting point of the single crystal).

Inventors:
Tatsuya Usui
Naoaki Shimura
Yasushi Kurata
Kazuo Kurashige
Application Number:
JP2005251886A
Publication Date:
September 14, 2011
Filing Date:
August 31, 2005
Export Citation:
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Assignee:
Hitachi Chemical Co., Ltd.
International Classes:
C30B33/02; C09K11/00; C09K11/08; C09K11/79; C30B29/34
Domestic Patent References:
JP4321600A
JP2001524163A
JP6100360A
JP2064008A
Attorney, Agent or Firm:
Yoshiki Hasegawa
Shiro Terasaki
Ryugo Akahori