MY174496A - Magnetic-disk glass substrate, method for manufacturing magnetic-disk glass substrate, and magnetic disk - Google Patents

Magnetic-disk glass substrate, method for manufacturing magnetic-disk glass substrate, and magnetic disk

Info

Publication number
MY174496A
MY174496A MYPI2016700734A MYPI2016700734A MY174496A MY 174496 A MY174496 A MY 174496A MY PI2016700734 A MYPI2016700734 A MY PI2016700734A MY PI2016700734 A MYPI2016700734 A MY PI2016700734A MY 174496 A MY174496 A MY 174496A
Authority
MY
Malaysia
Prior art keywords
magnetic
glass substrate
disk
disk glass
manufacturing
Prior art date
Application number
MYPI2016700734A
Other languages
English (en)
Inventor
Katsuyuki Iwata
Kazuaki Hashimoto
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
Publication of MY174496A publication Critical patent/MY174496A/en

Links

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)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Surface Treatment Of Glass (AREA)
  • Glass Compositions (AREA)
  • Magnetic Record Carriers (AREA)
MYPI2016700734A 2013-09-18 2014-09-08 Magnetic-disk glass substrate, method for manufacturing magnetic-disk glass substrate, and magnetic disk MY174496A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2013193476 2013-09-18

Publications (1)

Publication Number Publication Date
MY174496A true MY174496A (en) 2020-04-23

Family

ID=52688948

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2016700734A MY174496A (en) 2013-09-18 2014-09-08 Magnetic-disk glass substrate, method for manufacturing magnetic-disk glass substrate, and magnetic disk

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)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG178005A1 (en) * 2007-09-28 2012-02-28 Hoya Corp Glass substrate for magnetic disk and manufacturing method of the same
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

Also Published As

Publication number Publication date
WO2015041301A1 (ja) 2015-03-26
CN105431904A (zh) 2016-03-23
JPWO2015041301A1 (ja) 2017-03-02
JP6209615B2 (ja) 2017-10-04
CN105431904B (zh) 2018-08-28
SG11201601613PA (en) 2016-04-28

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