ATE537127T1 - Träger für informationsaufzeichnungsmedium und aus kristallisiertem glas bestehendes magnetisches aufzeichnungsmedium - Google Patents

Träger für informationsaufzeichnungsmedium und aus kristallisiertem glas bestehendes magnetisches aufzeichnungsmedium

Info

Publication number
ATE537127T1
ATE537127T1 AT00114610T AT00114610T ATE537127T1 AT E537127 T1 ATE537127 T1 AT E537127T1 AT 00114610 T AT00114610 T AT 00114610T AT 00114610 T AT00114610 T AT 00114610T AT E537127 T1 ATE537127 T1 AT E537127T1
Authority
AT
Austria
Prior art keywords
recording medium
information recording
mol
substrate
support
Prior art date
Application number
AT00114610T
Other languages
English (en)
Inventor
Xuelu Zou
Original Assignee
Hoya Corp
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 Hoya Corp filed Critical Hoya Corp
Application granted granted Critical
Publication of ATE537127T1 publication Critical patent/ATE537127T1/de

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
    • 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
    • C03C10/0036—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 a divalent metal oxide as main constituents
    • C03C10/0045—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 a divalent metal oxide as main constituents containing SiO2, Al2O3 and MgO as main constituents
    • 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)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
  • Magnetic Record Carriers (AREA)
AT00114610T 1999-07-07 2000-07-07 Träger für informationsaufzeichnungsmedium und aus kristallisiertem glas bestehendes magnetisches aufzeichnungsmedium ATE537127T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP19357499 1999-07-07
JP29300399 1999-10-14

Publications (1)

Publication Number Publication Date
ATE537127T1 true ATE537127T1 (de) 2011-12-15

Family

ID=26507953

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00114610T ATE537127T1 (de) 1999-07-07 2000-07-07 Träger für informationsaufzeichnungsmedium und aus kristallisiertem glas bestehendes magnetisches aufzeichnungsmedium

Country Status (5)

Country Link
US (3) US6627566B1 (de)
EP (1) EP1067102B1 (de)
CN (1) CN1230397C (de)
AT (1) ATE537127T1 (de)
SG (1) SG97155A1 (de)

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* Cited by examiner, † Cited by third party
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SG97155A1 (en) * 1999-07-07 2003-07-18 Hoya Corp Substrate for information recording medium and magnetic recording medium composed of crystallized glass
DE10064808B4 (de) * 2000-12-22 2005-09-01 Schott Ag Zinkoxidhaltiges Borosilicatglas und dessen Verwendungen
JP3995902B2 (ja) * 2001-05-31 2007-10-24 Ｈｏｙａ株式会社 情報記録媒体用ガラス基板及びそれを用いた磁気情報記録媒体
US20030134734A1 (en) * 2001-08-08 2003-07-17 Shiro Nishimoto Press molding method for glass and manufacturing method for glass substrate using this method
JP4587257B2 (ja) * 2001-10-24 2010-11-24 Ｈｏｙａ株式会社 ガラス、ガラス基板ブランクスおよびガラス基板それぞれの製造方法
AU2003241745A1 (en) * 2002-06-03 2003-12-19 Hoya Corporation Substrate for information recording medium, information recording medium and process for producing the same
DE10245234B4 (de) * 2002-09-27 2011-11-10 Schott Ag Kristallisierbares Glas, seine Verwendung zur Herstellung einer hochsteifen, bruchfesten Glaskeramik mit gut polierbarer Oberfläche sowie Verwendung der Glaskeramik
DE10346197B4 (de) 2003-09-30 2006-02-16 Schott Ag Glaskeramik, Verfahren zur Herstellung einer solchen und Verwendung
JP4771835B2 (ja) * 2006-03-06 2011-09-14 株式会社リコー トナー及び画像形成方法
US7465687B2 (en) * 2006-05-31 2008-12-16 Corning Incorporated Tough cordierite glass-ceramics
US7802478B2 (en) 2007-06-27 2010-09-28 Corning Incorporated Methods and apparatus for measuring elastic modulus of non-solid ceramic materials by resonance
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EP2065346A1 (de) 2007-11-30 2009-06-03 Corning Incorporated Glaskeramik-Materialien aus Cordierit mit hoher Wärmeleitfähigkeit
JP5658030B2 (ja) 2008-03-19 2015-01-21 Hoya株式会社 磁気記録媒体基板用ガラス、磁気記録媒体基板、磁気記録媒体およびそれらの製造方法
CN102471133B (zh) * 2009-08-10 2014-10-15 Hoya株式会社 磁记录介质基板用玻璃、磁记录介质基板及其制造方法、以及磁记录介质
JP5788643B2 (ja) * 2010-05-21 2015-10-07 株式会社オハラ ガラス基板
US8394516B2 (en) * 2010-10-29 2013-03-12 Hoya Corporation Glass substrate for magnetic recording medium and magnetic recording medium
US8974561B2 (en) * 2011-09-30 2015-03-10 Hoya Corporation Manufacturing method of glass substrate for magnetic disk, magnetic disk, and magnetic recording / reproducing device
US8885447B2 (en) * 2012-03-29 2014-11-11 Hoya Corporation Glass for magnetic recording medium substrate, glass substrate for magnetic recording medium, and their use
EP2867177A1 (de) * 2012-06-29 2015-05-06 Corning Incorporated Glaskeramiksubstrate für halbleiterverarbeitung
US9187365B2 (en) 2013-02-25 2015-11-17 Corning Incorporated Methods for measuring the asymmetry of a glass-sheet manufacturing process
CN106587612A (zh) * 2016-12-23 2017-04-26 成都光明光电有限责任公司 玻璃组合物及其制备方法
WO2021049581A1 (ja) * 2019-09-10 2021-03-18 日本板硝子株式会社 ガラスフィラーとその製造方法、及びガラスフィラーを含む樹脂含有組成物
CN112939471A (zh) * 2021-03-15 2021-06-11 武汉理工大学 一种高导热低膨胀低介电的微晶玻璃及其制备方法
CN112876067A (zh) * 2021-03-17 2021-06-01 中国科学院过程工程研究所 一种高硬度高杨氏模量氧化物高熵玻璃及其制备方法和用途
CN113698082B (zh) * 2021-09-10 2023-03-21 成都光明光电股份有限公司 微晶玻璃成型体的制造方法

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JPH11278865A (ja) * 1998-03-30 1999-10-12 Ngk Insulators Ltd 磁気ディスク基板用結晶化ガラス、磁気ディスク用基板、磁気ディスクおよび磁気ディスク基板用結晶化ガラスの製造方法
JPH11278864A (ja) * 1998-03-30 1999-10-12 Ngk Insulators Ltd 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
JP4680347B2 (ja) * 1999-06-01 2011-05-11 株式会社オハラ 高剛性ガラスセラミックス基板
SG97155A1 (en) * 1999-07-07 2003-07-18 Hoya Corp Substrate for information recording medium and magnetic recording medium composed of crystallized glass
SG98415A1 (en) * 1999-07-07 2003-09-19 Hoya Corp Process for preparation of crystallized glass for information recording disk
US6627565B1 (en) * 1999-07-27 2003-09-30 Hoya Corporation Crystallized glass substrate for information recording medium

Also Published As

Publication number Publication date
US20040018929A1 (en) 2004-01-29
US20050164036A1 (en) 2005-07-28
EP1067102A3 (de) 2001-10-31
SG97155A1 (en) 2003-07-18
US6627566B1 (en) 2003-09-30
CN1230397C (zh) 2005-12-07
US7015161B2 (en) 2006-03-21
EP1067102A2 (de) 2001-01-10
CN1293162A (zh) 2001-05-02
US6905988B2 (en) 2005-06-14
EP1067102B1 (de) 2011-12-14

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