CN105431904B - 磁盘用玻璃基板、磁盘用玻璃基板的制造方法、以及磁盘 - Google Patents

磁盘用玻璃基板、磁盘用玻璃基板的制造方法、以及磁盘 Download PDF

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Publication number
CN105431904B
CN105431904B CN201480042395.XA CN201480042395A CN105431904B CN 105431904 B CN105431904 B CN 105431904B CN 201480042395 A CN201480042395 A CN 201480042395A CN 105431904 B CN105431904 B CN 105431904B
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CN
China
Prior art keywords
glass substrate
glass
disc
cao
compressive stress
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.)
Active
Application number
CN201480042395.XA
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English (en)
Chinese (zh)
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CN105431904A (zh
Inventor
岩田胜行
桥本和明
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.)
Hoya Corp
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Hoya Corp
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Classifications

    • 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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/8404—Processes or apparatus specially adapted for manufacturing record carriers manufacturing base layers
    • 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
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/078—Glass compositions containing silica with 40% to 90% silica, by weight containing an oxide of a divalent metal, e.g. an oxide of zinc
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Surface Treatment Of Glass (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Glass Compositions (AREA)
  • Magnetic Record Carriers (AREA)
CN201480042395.XA 2013-09-18 2014-09-18 磁盘用玻璃基板、磁盘用玻璃基板的制造方法、以及磁盘 Active CN105431904B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2013-193476 2013-09-18
JP2013193476 2013-09-18
PCT/JP2014/074734 WO2015041301A1 (ja) 2013-09-18 2014-09-18 磁気ディスク用ガラス基板、磁気ディスク用ガラス基板の製造方法、及び磁気ディスク

Publications (2)

Publication Number Publication Date
CN105431904A CN105431904A (zh) 2016-03-23
CN105431904B true CN105431904B (zh) 2018-08-28

Family

ID=52688948

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201480042395.XA Active CN105431904B (zh) 2013-09-18 2014-09-18 磁盘用玻璃基板、磁盘用玻璃基板的制造方法、以及磁盘

Country Status (5)

Country Link
JP (1) JP6209615B2 (ja)
CN (1) CN105431904B (ja)
MY (1) MY174496A (ja)
SG (1) SG11201601613PA (ja)
WO (1) WO2015041301A1 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102290056A (zh) * 2007-09-28 2011-12-21 Hoya株式会社 磁盘用玻璃基板及其制造方法、磁盘

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010080015A (ja) * 2008-09-27 2010-04-08 Hoya Corp 磁気ディスク用ガラス基板製造用ガラス素材、磁気ディスク用ガラス基板の製造方法、及び磁気ディスクの製造方法
JP2011201711A (ja) * 2010-03-24 2011-10-13 Hoya Corp ディスプレイ用カバーガラスおよびディスプレイ
JP5975654B2 (ja) * 2011-01-27 2016-08-23 Hoya株式会社 磁気ディスク用ガラス基板の製造方法及び磁気ディスクの製造方法
JP5829447B2 (ja) * 2011-07-22 2015-12-09 株式会社オハラ 結晶化ガラスおよび情報記録媒体用結晶化ガラス基板

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102290056A (zh) * 2007-09-28 2011-12-21 Hoya株式会社 磁盘用玻璃基板及其制造方法、磁盘

Also Published As

Publication number Publication date
MY174496A (en) 2020-04-23
JP6209615B2 (ja) 2017-10-04
SG11201601613PA (en) 2016-04-28
WO2015041301A1 (ja) 2015-03-26
JPWO2015041301A1 (ja) 2017-03-02
CN105431904A (zh) 2016-03-23

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