DE69601697T2 - Glaszusammensetzung für Magnetplatten-Substrate und Magnetplatten-Substrat - Google Patents

Glaszusammensetzung für Magnetplatten-Substrate und Magnetplatten-Substrat

Info

Publication number
DE69601697T2
DE69601697T2 DE69601697T DE69601697T DE69601697T2 DE 69601697 T2 DE69601697 T2 DE 69601697T2 DE 69601697 T DE69601697 T DE 69601697T DE 69601697 T DE69601697 T DE 69601697T DE 69601697 T2 DE69601697 T2 DE 69601697T2
Authority
DE
Germany
Prior art keywords
magnetic disk
glass composition
substrates
disk substrate
substrate
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69601697T
Other languages
English (en)
Other versions
DE69601697D1 (de
Inventor
Tomoyuki Taguchi
Hideki Kawai
Tohru Ohara
Ikuo Kuriyama
Hajimu Wakabayashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yamamura Glass KK
Original Assignee
Yamamura Glass KK
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 Yamamura Glass KK filed Critical Yamamura Glass KK
Publication of DE69601697D1 publication Critical patent/DE69601697D1/de
Application granted granted Critical
Publication of DE69601697T2 publication Critical patent/DE69601697T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
    • C03C21/001—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions
    • C03C21/002—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions to perform ion-exchange between alkali ions
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
    • C03C10/0018—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and monovalent metal oxide as main constituents
    • C03C10/0027—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and monovalent metal oxide as main constituents containing SiO2, Al2O3, Li2O as main constituents
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/097—Glass compositions containing silica with 40% to 90% silica, by weight containing phosphorus, niobium or tantalum
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/739—Magnetic recording media substrates
    • G11B5/73911—Inorganic substrates
    • G11B5/73921—Glass or ceramic substrates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Glass Compositions (AREA)
DE69601697T 1995-12-28 1996-12-24 Glaszusammensetzung für Magnetplatten-Substrate und Magnetplatten-Substrat Expired - Fee Related DE69601697T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP35319495 1995-12-28
JP34678796 1996-12-10

Publications (2)

Publication Number Publication Date
DE69601697D1 DE69601697D1 (de) 1999-04-15
DE69601697T2 true DE69601697T2 (de) 1999-07-22

Family

ID=26578355

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69601697T Expired - Fee Related DE69601697T2 (de) 1995-12-28 1996-12-24 Glaszusammensetzung für Magnetplatten-Substrate und Magnetplatten-Substrat

Country Status (3)

Country Link
US (2) US5691256A (de)
EP (1) EP0781731B1 (de)
DE (1) DE69601697T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10154050A1 (de) * 2001-11-02 2003-05-15 Schott Glas Bearbeitung von inhomogenen Materialien

Families Citing this family (79)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6245411B1 (en) * 1959-09-25 2001-06-12 Kabushiki Kaisha Ohara High rigidity glass-ceramic substrate for a magnetic information storage medium
AU3656495A (en) * 1994-10-13 1996-05-06 Saint-Gobain Vitrage S.A. Reinforced glass substrates
EP0853071B1 (de) * 1995-09-26 2002-05-08 NIPPON ELECTRIC GLASS COMPANY, Limited Kristallisiertes glas, kristallisierter glasgegenstand und verfahren zur herstellung eines kristallierten glasgegenstands
US6191058B1 (en) * 1996-02-02 2001-02-20 Kabushiki Kaisha Ohara Glass-ceramic substrate for a magnetic disk
JP3930113B2 (ja) * 1996-08-30 2007-06-13 Ｈｏｙａ株式会社 磁気ディスク用ガラス基板
US6214429B1 (en) * 1996-09-04 2001-04-10 Hoya Corporation Disc substrates for information recording discs and magnetic discs
JPH1079122A (ja) * 1996-09-04 1998-03-24 Hoya Corp 情報記録媒体用基板に適した材料の選定方法、この方法を用いて選定した材料、この材料を用いた基板及び磁気ディスク
JP3416033B2 (ja) * 1996-09-05 2003-06-16 株式会社オハラ 磁気ヘッド用結晶化ガラス基板およびその製造方法
JPH10158034A (ja) * 1996-10-04 1998-06-16 S Ii C Kk 情報記録ディスク基板用結晶化ガラス
JP3219705B2 (ja) * 1996-11-14 2001-10-15 株式会社オハラ 磁気情報記憶媒体用ガラスセラミックス基板
US6132843A (en) * 1996-11-14 2000-10-17 Nippon Sheet Glass Do., Ltd. Glass substrate for magnetic disks
JP3140702B2 (ja) * 1996-12-20 2001-03-05 日本碍子株式会社 磁気ディスク基板用結晶化ガラス、磁気ディスク基板および磁気ディスク
US5997977A (en) * 1997-06-05 1999-12-07 Hoya Corporation Information recording substrate and information recording medium prepared from the substrate
US6383645B1 (en) 1998-03-23 2002-05-07 Kabushiki Kaisha Ohara Glass-ceramic substrate for an information storage medium
US6582826B1 (en) 1998-03-23 2003-06-24 Kabushiki Kaisha Ohara Glass-ceramics
US6802894B2 (en) 1998-12-11 2004-10-12 Jeneric/Pentron Incorporated Lithium disilicate glass-ceramics
US6517623B1 (en) 1998-12-11 2003-02-11 Jeneric/Pentron, Inc. Lithium disilicate glass ceramics
US20050127544A1 (en) * 1998-06-12 2005-06-16 Dmitri Brodkin High-strength dental restorations
JP3526047B2 (ja) * 1998-06-19 2004-05-10 日本電気硝子株式会社 Ｌｉ２ Ｏ−Ａｌ２ Ｏ３ −ＳｉＯ２ 系透明結晶化ガラス
SG77697A1 (en) * 1998-06-30 2001-01-16 Hoya Corp Substrate for information recording medium and method of producing it and information recording medium comprising the substrate
JP2000203880A (ja) * 1998-09-11 2000-07-25 Ohara Inc 情報記憶媒体用ガラスセラミックス基板及びその製造方法、並びに情報記憶媒体ディスク
EP1149058B1 (de) 1998-12-11 2015-02-18 Ivoclar Vivadent AG Verfahren zur herstellung von pressbaren lithiumdisilikatglaskeramiken
WO2000048172A2 (en) * 1999-02-12 2000-08-17 General Electric Company Data storage media
JP4849702B2 (ja) * 1999-07-06 2012-01-11 コニカミノルタオプト株式会社 結晶化ガラス
JP4337176B2 (ja) * 1999-07-06 2009-09-30 コニカミノルタオプト株式会社 ガラス組成
JP4158282B2 (ja) * 1999-07-06 2008-10-01 コニカミノルタオプト株式会社 磁気ディスク用結晶化ガラス基板
JP4831854B2 (ja) * 1999-07-06 2011-12-07 コニカミノルタオプト株式会社 結晶化ガラス組成物
SG98415A1 (en) * 1999-07-07 2003-09-19 Hoya Corp Process for preparation of crystallized glass for information recording disk
US6699588B2 (en) * 1999-07-22 2004-03-02 Seagate Technology, Inc. Medium with a NiNb sealing layer
US6677259B2 (en) * 1999-08-10 2004-01-13 Kabushiki Kaisha Ohara Glass-ceramics for a light filter
JP3107304B1 (ja) * 1999-08-10 2000-11-06 株式会社オハラ 光フィルター用ガラスセラミックス及び光フィルター
CN1397065A (zh) 2000-01-05 2003-02-12 斯科特玻璃技术有限公司 用于磁介质的玻璃基板和基于此种玻璃基板的磁介质
CN1125789C (zh) 2000-05-16 2003-10-29 湖北新华光信息材料股份有限公司 一种高强度磁盘基板用微晶玻璃及其制造方法
KR20030090761A (ko) * 2001-04-19 2003-11-28 제너럴 일렉트릭 캄파니 회전 피복된 매체
JP3555681B2 (ja) * 2001-10-29 2004-08-18 日本電気硝子株式会社 モールドプレス成形用ガラス
US7070703B2 (en) * 2002-05-23 2006-07-04 Hitachi Global Storage Technologies Netherlands B.V. Process for producing glass disk substrates for magnetically recordable data storage disks
US8444756B2 (en) 2003-08-07 2013-05-21 Ivoclar Vivadent Ag Lithium silicate materials
US9220576B2 (en) 2003-08-07 2015-12-29 Ivoclar Vivadent Ag Machining of ceramic materials
US7566673B2 (en) * 2003-10-31 2009-07-28 Konica Minolta Opto, Inc. Glass substrate for an information recording medium and information recording medium employing it
JP4039381B2 (ja) * 2004-03-25 2008-01-30 コニカミノルタオプト株式会社 ガラス組成物を用いた情報記録媒体用ガラス基板及びこれを用いた情報記録媒体
ES2489523T3 (es) 2005-02-08 2014-09-02 Ivoclar Vivadent Ag Material vitrocerámico de silicato de litio
ITFI20060231A1 (it) * 2006-09-18 2008-03-19 Colorobbia Italia S P S Processo per la preparazione di lastre in materiale vetro ceramico, lastre cosi' ottenute e loro uso
DE102007011337A1 (de) 2007-03-06 2008-09-11 Hermsdorfer Institut Für Technische Keramik E.V. Verblendkeramik für dentale Restaurationen aus yttriumstabilisiertem Zirkoniumdioxid und Verfahren zur Verblendung von dentalen Restaurationen aus yttriumstabilisiertem Zirkoniumdioxid
JP4467597B2 (ja) * 2007-04-06 2010-05-26 株式会社オハラ 無機組成物物品
JP4755135B2 (ja) * 2007-04-27 2011-08-24 株式会社オハラ 結晶化ガラス
FR2922899B1 (fr) * 2007-10-26 2010-11-26 Univ Toulouse Procede de fabrication d'une structure poreuse ordonnee a partir d'un substrat d'aluminium
JP5070006B2 (ja) * 2007-11-02 2012-11-07 株式会社オハラ 結晶化ガラス
US20110092353A1 (en) * 2008-07-03 2011-04-21 Corning Incorporated Durable glass-ceramic housings/enclosures for electronic device
US8337875B2 (en) * 2009-07-16 2012-12-25 The Curators Of The University Of Missouri Controlling vessel growth and directionality in mammals and implantable material
US8481066B2 (en) * 2009-07-16 2013-07-09 The Curators Of The University Of Missouri Scaffold for tissue regeneration in mammals
US8287896B2 (en) * 2010-01-06 2012-10-16 The Curators Of The University Of Missouri Scaffolds with trace element for tissue regeneration in mammals
EP2377830B1 (de) 2010-04-16 2016-04-13 Ivoclar Vivadent AG Lithiumsilikat-Glaskeramik und -Glas mit Übergangsmetalloxid
US8865606B2 (en) 2010-04-16 2014-10-21 Ivoclar Vivadent Ag Process for the preparation of dental restorations
US9540278B2 (en) * 2010-05-27 2017-01-10 Corning Incorporated Ion exchangeable glasses
US8883663B2 (en) * 2010-11-30 2014-11-11 Corning Incorporated Fusion formed and ion exchanged glass-ceramics
RU2017118926A (ru) 2011-10-14 2018-11-05 Ивоклар Вивадент Аг Литиево-силикатные стеклокерамика и стекло с оксидом трехвалентного металла
PT2765979E (pt) 2011-10-14 2016-03-29 Ivoclar Vivadent Ag Vitrocerâmica de silicato de lítio e vidro de silicato de lítio contendo um óxido metálico pentavalente
ES2566555T3 (es) 2011-10-14 2016-04-13 Ivoclar Vivadent Ag Vitrocerámica y vidrio de silicato de litio con óxido metálico tetravalente
DE112012004313A5 (de) 2011-10-14 2014-07-24 Ivoclar Vivadent Ag Lithiumsilikat-Glaskeramik und -Glas mit sechswertigem Metalloxid
WO2013053863A2 (de) 2011-10-14 2013-04-18 Ivoclar Vivadent Ag Lithiumsilikat-glaskeramik und -glas mit einwertigem metalloxid
MX350428B (es) 2011-10-14 2017-09-05 Ivoclar Vivadent Ag Ceramico de vidrio de silicato de litio y vidrio con oxido de metal divalente.
KR101668940B1 (ko) 2012-05-04 2016-10-24 이보클라 비바덴트 아게 리튬 디실리케이트-애퍼타이트 유리-세라믹
WO2013167722A1 (de) 2012-05-11 2013-11-14 Ivoclar Vivadent Ag Vorgesinterter rohling für dentale zwecke
KR20170007536A (ko) 2012-05-11 2017-01-18 이보클라 비바덴트 아게 치과용 예비-소결된 블랭크
CN104955641B (zh) 2012-10-04 2021-03-30 康宁股份有限公司 由光敏玻璃制成的压缩应力化层合玻璃制品及制备所述制品的方法
JP2016500628A (ja) 2012-10-04 2016-01-14 コーニング インコーポレイテッド ガラス層とガラスセラミック層を有する物品およびその物品の製造方法
CN104918782B (zh) 2012-10-04 2018-11-06 康宁股份有限公司 具有陶瓷相的层合玻璃制品及所述制品的制备方法
US11352287B2 (en) 2012-11-28 2022-06-07 Vitro Flat Glass Llc High strain point glass
ES2894961T3 (es) 2013-02-12 2022-02-16 Ivoclar Vivadent Ag Pieza en bruto para fines dentales
US9440878B2 (en) 2013-02-28 2016-09-13 Corning Incorporated Fusion formable lithium aluminosilicate glass ceramic
US10551590B2 (en) * 2013-02-28 2020-02-04 Corning Incorporated Glass mirror apparatus and methods of manufacturing a glass mirror apparatus
EP2792649B1 (de) 2013-04-15 2019-11-27 Ivoclar Vivadent AG Lithiumsilikat-Glaskeramik und -Glas mit Gehalt an Rubidiumoxid
US9701573B2 (en) * 2013-09-06 2017-07-11 Corning Incorporated High strength glass-ceramics having lithium disilicate and beta-spodumene structures
EP2944619B1 (de) 2014-05-13 2023-08-09 Ivoclar Vivadent AG Verfahren zur Herstellung von Lithiumsilikatgläsern und Lithiumsilikat-Glaskeramiken
EP3050856B1 (de) 2015-01-30 2019-05-29 Ivoclar Vivadent AG Lithiumsilikat-Diopsid-Glaskeramik
US10626046B2 (en) 2016-10-12 2020-04-21 Corning Incorporated Glass ceramics
CN112608032B (zh) * 2018-10-26 2022-04-22 成都光明光电股份有限公司 微晶玻璃、微晶玻璃制品及其制造方法
CN113382972A (zh) * 2018-11-30 2021-09-10 康宁股份有限公司 黑色的β-锂辉石锂硅酸盐玻璃陶瓷
WO2021035586A1 (zh) * 2019-08-28 2021-03-04 重庆鑫景特种玻璃有限公司 一种低表面压应力的强化玻璃陶瓷及原片玻璃

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6509403A (de) * 1965-07-21 1967-01-23
JPS61101434A (ja) * 1984-10-23 1986-05-20 Nippon Sheet Glass Co Ltd 透明結晶化ガラス
JPH07101750A (ja) * 1991-08-06 1995-04-18 Matsunami Glass Kogyo Kk 高熱膨張係数を有する結晶化ガラス
JP2516553B2 (ja) * 1993-05-19 1996-07-24 株式会社オハラ 磁気ディスク用結晶化ガラスおよびその製造方法
JPH06329439A (ja) * 1993-05-19 1994-11-29 Nippon Electric Glass Co Ltd Ｌｉ２ Ｏ−Ａｌ２ Ｏ３ −ＳｉＯ２ 系結晶化ガラス
EP0729924B1 (de) * 1993-05-19 2000-01-26 Kabushiki Kaisha Ohara Glaskeramik für Magnetplatten-Substrate
US5391522A (en) * 1993-05-19 1995-02-21 Kabushiki Kaisya Ohara Glass-ceramic for magnetic disks and method for manufacturing the same
JP2668057B2 (ja) * 1994-09-13 1997-10-27 株式会社オハラ 低膨張透明ガラスセラミックス

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10154050A1 (de) * 2001-11-02 2003-05-15 Schott Glas Bearbeitung von inhomogenen Materialien
US6875079B2 (en) 2001-11-02 2005-04-05 Schott Glas Methods of working, especially polishing, inhomogeneous materials

Also Published As

Publication number Publication date
EP0781731B1 (de) 1999-03-10
US5691256A (en) 1997-11-25
DE69601697D1 (de) 1999-04-15
US5874376A (en) 1999-02-23
EP0781731A1 (de) 1997-07-02

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