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WO2007018140A3 - 窒化アルミニウム焼結体 - Google Patents

窒化アルミニウム焼結体 Download PDF

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Publication number
WO2007018140A3
WO2007018140A3 PCT/JP2006/315480 JP2006315480W WO2007018140A3 WO 2007018140 A3 WO2007018140 A3 WO 2007018140A3 JP 2006315480 W JP2006315480 W JP 2006315480W WO 2007018140 A3 WO2007018140 A3 WO 2007018140A3
Authority
WO
WIPO (PCT)
Prior art keywords
sintered body
aluminum nitride
nitride sintered
polished
sintering
Prior art date
Application number
PCT/JP2006/315480
Other languages
English (en)
French (fr)
Other versions
WO2007018140A2 (ja
Inventor
Yukihiro Kanechika
Masanobu Azuma
Original Assignee
Tokuyama Corp
Yukihiro Kanechika
Masanobu Azuma
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tokuyama Corp, Yukihiro Kanechika, Masanobu Azuma filed Critical Tokuyama Corp
Priority to EP06782338A priority Critical patent/EP1923372A4/en
Priority to US12/063,389 priority patent/US8597743B2/en
Publication of WO2007018140A2 publication Critical patent/WO2007018140A2/ja
Publication of WO2007018140A3 publication Critical patent/WO2007018140A3/ja

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/302—Vessels; Containers characterised by the material of the vessel
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
    • C04B35/581—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on aluminium nitride
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
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    • C—CHEMISTRY; METALLURGY
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
    • C04B2235/3222—Aluminates other than alumino-silicates, e.g. spinel (MgAl2O4)
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    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
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    • C04B2235/54—Particle size related information
    • C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
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    • C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5445—Particle size related information expressed by the size of the particles or aggregates thereof submicron sized, i.e. from 0,1 to 1 micron
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/658—Atmosphere during thermal treatment
    • C04B2235/6587—Influencing the atmosphere by vaporising a solid material, e.g. by using a burying of sacrificial powder
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/66—Specific sintering techniques, e.g. centrifugal sintering
    • C04B2235/661—Multi-step sintering
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    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
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    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74—Physical characteristics
    • C04B2235/78—Grain sizes and shapes, product microstructures, e.g. acicular grains, equiaxed grains, platelet-structures
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    • H—ELECTRICITY
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    • H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
    • H01J61/827—Metal halide arc lamps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/131—Glass, ceramic, or sintered, fused, fired, or calcined metal oxide or metal carbide containing [e.g., porcelain, brick, cement, etc.]
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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Products (AREA)

Abstract

　本発明は、焼成後、未研磨の状態において平滑な表面を有し、光線透過特性が高い窒化アルミニウム焼結体を提供することを目的としている。 　本発明に係る窒化アルミニウム焼結体は、酸素濃度が４５０ｐｐｍ以下、酸素、窒素、アルミニウム以外の不純物元素濃度が３５０ｐｐｍ以下であり、平均結晶粒径が２μｍ～２０μｍであり、更に、焼成後、未研磨の状態において、表面の算術平均高さＲａが１μｍ以下であり、最大高さＲｚが１０μｍ以下であることを特徴としている。                                                                                 
PCT/JP2006/315480 2005-08-11 2006-08-04 窒化アルミニウム焼結体 WO2007018140A2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP06782338A EP1923372A4 (en) 2005-08-11 2006-08-04 Aluminum nitride sintered body
US12/063,389 US8597743B2 (en) 2005-08-11 2006-08-04 Aluminum nitride sintered body

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005233454 2005-08-11
JP2005-233454 2005-08-11

Publications (2)

Publication Number Publication Date
WO2007018140A2 WO2007018140A2 (ja) 2007-02-15
WO2007018140A3 true WO2007018140A3 (ja) 2007-05-24

Family

ID=37727726

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2006/315480 WO2007018140A2 (ja) 2005-08-11 2006-08-04 窒化アルミニウム焼結体

Country Status (5)

Country Link
US (1) US8597743B2 (ja)
EP (1) EP1923372A4 (ja)
KR (1) KR100970155B1 (ja)
CN (1) CN101243024A (ja)
WO (1) WO2007018140A2 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5419467B2 (ja) * 2007-02-02 2014-02-19 株式会社トクヤマ 窒化アルミニウム焼結体およびその製造方法
JP6981465B2 (ja) * 2017-03-13 2021-12-15 Ａｇｃ株式会社 透光性セラミックス焼結体とその製造方法
CN111484333A (zh) * 2019-01-28 2020-08-04 华中科技大学 一种兼具高热导率和高强度的氮化铝陶瓷及其制备方法
JP7429825B2 (ja) * 2021-03-31 2024-02-08 デンカ株式会社 窒化アルミニウム焼結体、及びその製造方法、回路基板、並びに、積層基板

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06172041A (ja) * 1992-12-04 1994-06-21 Asahi Glass Co Ltd 窒化アルミニウム基板の製造方法
JP2005119953A (ja) * 2003-09-25 2005-05-12 Tokuyama Corp 窒化アルミニウム焼結体及びその製造方法
JP2005166454A (ja) * 2003-12-03 2005-06-23 Tokuyama Corp 光源用カバー

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60193254A (ja) 1984-03-15 1985-10-01 Tokuyama Soda Co Ltd 発光管
JPH0717455B2 (ja) * 1986-07-18 1995-03-01 株式会社トクヤマ 窒化アルミニウム焼結体の製造方法
JPH0226871A (ja) 1988-07-12 1990-01-29 Showa Alum Corp 透光性に優れた窒化アルミニウム焼結体の製造方法
JPH0288467A (ja) 1988-09-22 1990-03-28 Kawasaki Steel Corp 窒化アルミニウム焼結体およびその製造方法
JP2797372B2 (ja) * 1989-02-13 1998-09-17 株式会社ノリタケカンパニーリミテド 窒化アルミニウム基板の製造方法
JPH04356015A (ja) * 1991-03-22 1992-12-09 Tosoh Corp バックライト
WO1995006622A1 (fr) 1993-09-02 1995-03-09 Toto Ltd. Materiau ceramique laissant passer la lumiere et procede de fabrication correspondant
US5780377A (en) * 1993-09-02 1998-07-14 Toto Ltd. Light-transmissive ceramics and method of manufacturing same
JPH11335158A (ja) 1998-03-24 1999-12-07 Sumitomo Electric Ind Ltd セラミックス基板及びその研磨方法
JP4144968B2 (ja) 1999-04-22 2008-09-03 信越化学工業株式会社 透光性部材
EP1518843A3 (en) * 2003-09-25 2007-05-23 Tokuyama Corporation Aluminum nitride sintered body and method of producing the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06172041A (ja) * 1992-12-04 1994-06-21 Asahi Glass Co Ltd 窒化アルミニウム基板の製造方法
JP2005119953A (ja) * 2003-09-25 2005-05-12 Tokuyama Corp 窒化アルミニウム焼結体及びその製造方法
JP2005166454A (ja) * 2003-12-03 2005-06-23 Tokuyama Corp 光源用カバー

Also Published As

Publication number Publication date
KR100970155B1 (ko) 2010-07-14
EP1923372A4 (en) 2009-11-04
KR20080042106A (ko) 2008-05-14
US20090041961A1 (en) 2009-02-12
US8597743B2 (en) 2013-12-03
CN101243024A (zh) 2008-08-13
WO2007018140A2 (ja) 2007-02-15
EP1923372A2 (en) 2008-05-21

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