SG11201401008UA - Glass substrate, information recording medium using glass substrate, and method for producing glass substrate - Google Patents

Glass substrate, information recording medium using glass substrate, and method for producing glass substrate

Info

Publication number
SG11201401008UA
SG11201401008UA SG11201401008UA SG11201401008UA SG11201401008UA SG 11201401008U A SG11201401008U A SG 11201401008UA SG 11201401008U A SG11201401008U A SG 11201401008UA SG 11201401008U A SG11201401008U A SG 11201401008UA SG 11201401008U A SG11201401008U A SG 11201401008UA
Authority
SG
Singapore
Prior art keywords
glass substrate
recording medium
information recording
producing
producing glass
Prior art date
Application number
SG11201401008UA
Inventor
Noriko Shimazu
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 SG11201401008UA publication Critical patent/SG11201401008UA/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
    • 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
    • G11B5/73913—Composites or coated substrates
    • 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)
  • Inorganic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (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)
  • Magnetic Record Carriers (AREA)
SG11201401008UA 2011-09-27 2012-09-12 Glass substrate, information recording medium using glass substrate, and method for producing glass substrate SG11201401008UA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011211055 2011-09-27
PCT/JP2012/005801 WO2013046575A1 (en) 2011-09-27 2012-09-12 Glass substrate, information recording medium using glass substrate, and method for producing glass substrate

Publications (1)

Publication Number Publication Date
SG11201401008UA true SG11201401008UA (en) 2014-07-30

Family

ID=47994664

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201401008UA SG11201401008UA (en) 2011-09-27 2012-09-12 Glass substrate, information recording medium using glass substrate, and method for producing glass substrate

Country Status (5)

Country Link
JP (1) JP5636508B2 (en)
CN (1) CN104054130B (en)
MY (1) MY167782A (en)
SG (1) SG11201401008UA (en)
WO (1) WO2013046575A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6261399B2 (en) * 2014-03-17 2018-01-17 株式会社神戸製鋼所 Aluminum substrate for magnetic recording media
JP2020155676A (en) * 2019-03-22 2020-09-24 住友理工株式会社 Dielectric film and method for manufacturing the same
CN112851140B (en) * 2021-01-22 2022-09-23 昆山国显光电有限公司 Glass cover plate manufacturing method, glass cover plate and display module

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001002451A (en) * 1999-06-16 2001-01-09 Matsushita Electric Ind Co Ltd Glass substrate and its production
CN1424271A (en) * 2002-12-26 2003-06-18 上海莹力科技有限公司 Ion exchange surface enhancing method for glass substrates of magnet recording discs
JP4535692B2 (en) * 2003-05-28 2010-09-01 セントラル硝子株式会社 Chemically tempered glass
WO2005093720A1 (en) * 2004-03-25 2005-10-06 Hoya Corporation Glass substrate for magnetic disk
DE102004022629B9 (en) * 2004-05-07 2008-09-04 Schott Ag Flooded lithium aluminosilicate flat glass with high temperature resistance, which can be preloaded chemically and thermally and its use
CN101454252A (en) * 2006-05-25 2009-06-10 日本电气硝子株式会社 Tempered glass and process for producing the same
JP4867607B2 (en) * 2006-11-21 2012-02-01 コニカミノルタオプト株式会社 Manufacturing method of glass substrate for information recording medium
JP2008130180A (en) * 2006-11-22 2008-06-05 Konica Minolta Opto Inc Glass substrate for information recording medium, manufacturing method of glass substrate for information recording medium, and information recording medium
CN101542603B (en) * 2006-11-22 2011-08-24 柯尼卡美能达精密光学株式会社 Glass substrate for information recording medium, method for manufacturing glass substrate for information recording medium, and information recording medium
CN101679105B (en) * 2007-06-07 2015-06-17 日本电气硝子株式会社 Hardened glass substrate, and method for production thereof

Also Published As

Publication number Publication date
WO2013046575A1 (en) 2013-04-04
JP5636508B2 (en) 2014-12-03
CN104054130A (en) 2014-09-17
JPWO2013046575A1 (en) 2015-03-26
CN104054130B (en) 2017-07-28
MY167782A (en) 2018-09-25

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