WO2008108276A1 - スピネル焼結体、その製造方法、透明基板と液晶プロジェクター - Google Patents

スピネル焼結体、その製造方法、透明基板と液晶プロジェクター Download PDF

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Publication number
WO2008108276A1
WO2008108276A1 PCT/JP2008/053551 JP2008053551W WO2008108276A1 WO 2008108276 A1 WO2008108276 A1 WO 2008108276A1 JP 2008053551 W JP2008053551 W JP 2008053551W WO 2008108276 A1 WO2008108276 A1 WO 2008108276A1
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Prior art keywords
sintered body
producing
liquid crystal
same
transparent substrate
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PCT/JP2008/053551
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English (en)
French (fr)
Inventor
Masashi Yoshimura
Takenori Yoshikane
Shigeru Nakayama
Akihito Fujii
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Sumitomo Electric Industries, Ltd.
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Application filed by Sumitomo Electric Industries, Ltd. filed Critical Sumitomo Electric Industries, Ltd.
Priority to EP08721000A priority Critical patent/EP2116519A4/en
Priority to US12/528,766 priority patent/US20100103356A1/en
Publication of WO2008108276A1 publication Critical patent/WO2008108276A1/ja

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    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/44—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminates
    • C04B35/443—Magnesium aluminate spinel
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  • Chemical & Material Sciences (AREA)
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  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
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  • General Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal (AREA)

Abstract

　本発明は、組成が、ＭｇＯ・ｎＡｌ2Ｏ3　（１．０５≦ｎ≦１．３０）であり、Ｓｉ元素の含有量が２０ｐｐｍ以下であるスピネル焼結体およびその製造方法であって、該製造方法は、Ｓｉ元素の含有量が５０ｐｐｍ以下であり、純度が９９.５質量％以上であるスピネル粉末から成形体を形成する工程と、成形体を真空中において１５００°C～１７００°Cで焼結することにより、密度９５％以上の焼結体を形成する第１の焼結工程と、焼結体を１６００°C～１８００°Cで加圧焼結する第２の焼結工程とを備える。
PCT/JP2008/053551 2007-03-02 2008-02-28 スピネル焼結体、その製造方法、透明基板と液晶プロジェクター WO2008108276A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP08721000A EP2116519A4 (en) 2007-03-02 2008-02-28 SPINELLE SINTERED BODY, MANUFACTURING METHOD THEREOF, TRANSPARENT SUBSTRATE, AND LIQUID CRYSTAL PROJECTOR
US12/528,766 US20100103356A1 (en) 2007-03-02 2008-02-28 Spinel sintered body, production method thereof, transparent substrate, and liquid crystal projector

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-053013 2007-03-02
JP2007053013A JP4830911B2 (ja) 2007-03-02 2007-03-02 スピネル焼結体、その製造方法、透明基板と液晶プロジェクター

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WO2008108276A1 true WO2008108276A1 (ja) 2008-09-12

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PCT/JP2008/053551 WO2008108276A1 (ja) 2007-03-02 2008-02-28 スピネル焼結体、その製造方法、透明基板と液晶プロジェクター

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US (1) US20100103356A1 (ja)
EP (1) EP2116519A4 (ja)
JP (1) JP4830911B2 (ja)
CN (1) CN101646633A (ja)
TW (1) TW200914392A (ja)
WO (1) WO2008108276A1 (ja)

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CN102388004A (zh) * 2009-04-02 2012-03-21 住友电气工业株式会社 尖晶石制的透光窗材料及其制造方法
JPWO2016039164A1 (ja) * 2014-09-12 2017-06-22 住友電気工業株式会社 液晶保護板および液晶保護板の製造方法

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JP5346189B2 (ja) * 2007-08-27 2013-11-20 ローム・アンド・ハース・エレクトロニック・マテリアルズ，エル．エル．シー． 多結晶性モノリシックアルミン酸マグネシウムスピネル
TWI510449B (zh) * 2010-06-22 2015-12-01 Sumitomo Electric Industries Manufacturing method of light emitting element
JP2012017218A (ja) * 2010-07-07 2012-01-26 Sumitomo Electric Ind Ltd 基板、基板の製造方法、ｎｄフィルタおよび光特性測定装置
JP5735046B2 (ja) * 2013-06-18 2015-06-17 コバレントマテリアル株式会社 断熱材
AU2013360718A1 (en) * 2012-12-19 2015-07-09 Ceramtec-Etec Gmbh Ceramic material
CA2908013A1 (en) * 2013-03-28 2014-10-02 Ceramtec-Etec Gmbh Ceramic having a functional coating
JP6269827B2 (ja) * 2014-05-30 2018-01-31 住友電気工業株式会社 液晶タッチパネル保護板
US9624136B2 (en) * 2014-07-01 2017-04-18 Corning Incorporated Transparent spinel article and tape cast methods for making
US11673838B2 (en) 2016-10-05 2023-06-13 Shin-Etsu Chemical Co., Ltd. Transparent spinel sintered body, optical member and method for producing transparent spinel sintered body
CN112679203B (zh) * 2021-01-21 2022-09-02 清远市简一陶瓷有限公司 一种透光砖及其制备方法

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EP2116519A4 (en) 2011-03-09
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