MY196751A - Method for manufacturing glass substrate for information recording medium - Google Patents

Method for manufacturing glass substrate for information recording medium

Info

Publication number
MY196751A
MY196751A MYPI2021001706A MYPI2021001706A MY196751A MY 196751 A MY196751 A MY 196751A MY PI2021001706 A MYPI2021001706 A MY PI2021001706A MY PI2021001706 A MYPI2021001706 A MY PI2021001706A MY 196751 A MY196751 A MY 196751A
Authority
MY
Malaysia
Prior art keywords
glass substrate
recording medium
information recording
manufacturing glass
disk
Prior art date
Application number
MYPI2021001706A
Inventor
NAKAE Hazuki
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 MY196751A publication Critical patent/MY196751A/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
    • C03C19/00—Surface treatment of glass, not in the form of fibres or filaments, by mechanical means
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)

Abstract

There is disclosed a disk-shaped glass substrate to be used for manufacturing a glass substrate (1) for an information recording medium (10), a main surface (2, 3) of the disk-shaped glass substrate having an arithmetic average roughness Raz, when a wavelength region is set to 2.5 ?m to 80 ?m, within a range of 0.1 ?m to 1.0 ?m.
MYPI2021001706A 2012-09-27 2013-09-06 Method for manufacturing glass substrate for information recording medium MY196751A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012214509 2012-09-27

Publications (1)

Publication Number Publication Date
MY196751A true MY196751A (en) 2023-05-03

Family

ID=50387915

Family Applications (2)

Application Number Title Priority Date Filing Date
MYPI2015700625A MY181660A (en) 2012-09-27 2013-09-06 Method for manufacturing glass substrate for information recording medium, method for manufacturing information recording medium, and disk-shaped glass substrate
MYPI2021001706A MY196751A (en) 2012-09-27 2013-09-06 Method for manufacturing glass substrate for information recording medium

Family Applications Before (1)

Application Number Title Priority Date Filing Date
MYPI2015700625A MY181660A (en) 2012-09-27 2013-09-06 Method for manufacturing glass substrate for information recording medium, method for manufacturing information recording medium, and disk-shaped glass substrate

Country Status (5)

Country Link
JP (1) JP6088534B2 (en)
CN (1) CN104603876B (en)
MY (2) MY181660A (en)
SG (2) SG10201710603UA (en)
WO (1) WO2014050507A1 (en)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004303280A (en) * 2003-03-28 2004-10-28 Hoya Corp Method for manufacturing glass substrate for information recording medium
JP4707311B2 (en) * 2003-08-08 2011-06-22 花王株式会社 Magnetic disk substrate
WO2008062657A1 (en) * 2006-11-22 2008-05-29 Konica Minolta Opto, Inc. Method for producing glass substrate for information recording medium, glass substrate for information recording medium, and information recording medium
JP5029952B2 (en) * 2007-09-06 2012-09-19 富士電機株式会社 GLASS SUBSTRATE, ITS MANUFACTURING METHOD, AND MAGNETIC DISC USING THE GLASS SUBSTRATE
JP5005645B2 (en) * 2007-09-27 2012-08-22 Ｈｏｙａ株式会社 Manufacturing method of glass substrate for magnetic disk and manufacturing method of magnetic disk
JP2009129486A (en) * 2007-11-21 2009-06-11 Sony Corp Information recording medium substrate manufacturing method
JP5297321B2 (en) * 2008-10-07 2013-09-25 Ｈｏｙａ株式会社 Manufacturing method of glass substrate for magnetic disk
JP2011040145A (en) * 2009-07-17 2011-02-24 Ohara Inc Method for manufacturing substrate for information storage medium
US8603350B2 (en) * 2009-07-17 2013-12-10 Ohara Inc. Method of manufacturing substrate for information storage media
JP5690540B2 (en) * 2010-09-30 2015-03-25 Hoya株式会社 Manufacturing method of glass substrate for information recording medium
JP2012216255A (en) * 2011-03-31 2012-11-08 Hoya Corp Method for manufacturing glass substrate for magnetic disk

Also Published As

Publication number Publication date
WO2014050507A1 (en) 2014-04-03
SG11201501506QA (en) 2015-05-28
JPWO2014050507A1 (en) 2016-08-22
CN104603876A (en) 2015-05-06
SG10201710603UA (en) 2018-02-27
JP6088534B2 (en) 2017-03-01
CN104603876B (en) 2018-06-12
MY181660A (en) 2020-12-31

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