MY182802A - Glass substrate - Google Patents

Glass substrate

Info

Publication number
MY182802A
MY182802A MYPI2016700696A MYPI2016700696A MY182802A MY 182802 A MY182802 A MY 182802A MY PI2016700696 A MYPI2016700696 A MY PI2016700696A MY PI2016700696 A MYPI2016700696 A MY PI2016700696A MY 182802 A MY182802 A MY 182802A
Authority
MY
Malaysia
Prior art keywords
satisfied
glass substrate
li2o
mgo
na2o
Prior art date
Application number
MYPI2016700696A
Inventor
Komatsu Takafumi
Kajita Hiroshi
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 MY182802A publication Critical patent/MY182802A/en

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
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
    • C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
    • C03C3/087—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
    • 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
    • C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
    • C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
    • 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
    • C03C3/095—Glass compositions containing silica with 40% to 90% silica, by weight containing rare earths
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Glass Compositions (AREA)
  • Magnetic Record Carriers (AREA)

Abstract

A glass substrate of the present invention has a glass composition in which specific content ranges of constituent components are satisfied, and in mol%, the following condition: SiO2+Al2O3+B2O3: 67 to 76% is satisfied, and the following ratios: 0.6?Li2O/(Li2O+Na2O+K2O)?0.96; and 0.78?MgO/(MgO+CaO+SrO+BaO+ZnO)?0.98 are satisfied.
MYPI2016700696A 2013-09-09 2014-08-22 Glass substrate MY182802A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013186156 2013-09-09
PCT/JP2014/072009 WO2015033800A1 (en) 2013-09-09 2014-08-22 Glass substrate

Publications (1)

Publication Number Publication Date
MY182802A true MY182802A (en) 2021-02-05

Family

ID=52628278

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2016700696A MY182802A (en) 2013-09-09 2014-08-22 Glass substrate

Country Status (5)

Country Link
JP (1) JP5952500B2 (en)
CN (1) CN105517966B (en)
MY (1) MY182802A (en)
SG (1) SG11201601609RA (en)
WO (1) WO2015033800A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9139469B2 (en) 2012-07-17 2015-09-22 Corning Incorporated Ion exchangeable Li-containing glass compositions for 3-D forming
WO2018088563A1 (en) 2016-11-14 2018-05-17 Hoya株式会社 Glass for magnetic recording medium substrates, magnetic recording medium substrate, magnetic recording medium, and glass spacer for magnetic recording/reproducing apparatuses
CN107117814B (en) * 2017-03-23 2020-02-21 彩虹集团（邵阳）特种玻璃有限公司 Alkali-containing high-strain-point glass and preparation method thereof
JP7165655B2 (en) * 2017-06-09 2022-11-04 Hoya株式会社 Glass for information recording medium substrate, information recording medium substrate, information recording medium and glass spacer for recording/reproducing device
CN108298811B (en) * 2018-04-25 2021-09-07 成都光明光电股份有限公司 Glass composition
CN112119047B (en) 2018-05-16 2023-06-30 Hoya株式会社 Glass for magnetic recording medium substrate, magnetic recording medium, glass spacer for magnetic recording/reproducing apparatus, and magnetic recording/reproducing apparatus
CA3117892A1 (en) 2018-11-26 2020-06-04 Owens Corning Intellectual Capital, Llc High performance fiberglass composition with improved elastic modulus
WO2020112396A2 (en) 2018-11-26 2020-06-04 Ocv Intellectual Capital, Llc High performance fiberglass composition with improved specific modulus
JP7229357B2 (en) * 2019-07-22 2023-02-27 Hoya株式会社 Glass for magnetic recording medium substrate or glass spacer for magnetic recording/reproducing device, magnetic recording medium substrate, magnetic recording medium, glass spacer for magnetic recording/reproducing device, and magnetic recording/reproducing device
WO2021117897A1 (en) 2019-12-13 2021-06-17 Hoya株式会社 Glass for magnetic recording medium substrate or for glass spacer to be used in magnetic recording/reproducing device, magnetic recording medium substrate, magnetic recording medium, glass spacer to be used in magnetic recording/reproducing device, and magnetic recording/reproducing device
CN111138080B (en) * 2020-02-13 2022-04-12 崇州市蜀玻科学仪器有限责任公司 High borosilicate glass and preparation method thereof

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999006333A1 (en) * 1997-07-30 1999-02-11 Hoya Corporation Method of producing glass substrate for information recording medium
JP4086210B2 (en) * 1998-04-17 2008-05-14 Ｈｏｙａ株式会社 Substrate for information recording medium
JP4043171B2 (en) * 1999-07-07 2008-02-06 Ｈｏｙａ株式会社 Method for producing crystallized glass for information recording disk
JP2001076336A (en) * 1999-09-08 2001-03-23 Hoya Corp Glass substrate for information recording medium and information recording medium using the same
JP4213077B2 (en) * 2004-04-28 2009-01-21 Ｈｏｙａ株式会社 GLASS SUBSTRATE FOR INFORMATION RECORDING MEDIUM AND ITS MANUFACTURING METHOD, AND INFORMATION RECORDING MEDIUM AND ITS MANUFACTURING METHOD
JP5133964B2 (en) * 2009-11-06 2013-01-30 湖州大享玻璃制品有限公司 MgO—Al 2 O 3 —SiO 2 crystalline glass and crystallized glass, and method for producing the crystalline glass and crystallized glass
JP5837492B2 (en) * 2010-06-30 2015-12-24 Hoya株式会社 Glass substrate for information recording media
US8394516B2 (en) * 2010-10-29 2013-03-12 Hoya Corporation Glass substrate for magnetic recording medium and magnetic recording medium

Also Published As

Publication number Publication date
JPWO2015033800A1 (en) 2017-03-02
JP5952500B2 (en) 2016-07-13
WO2015033800A1 (en) 2015-03-12
CN105517966A (en) 2016-04-20
CN105517966B (en) 2017-12-19
SG11201601609RA (en) 2016-04-28

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