SG11201505070VA - Glass substrate for magnetic disk and magnetic disk - Google Patents

Glass substrate for magnetic disk and magnetic disk

Info

Publication number
SG11201505070VA
SG11201505070VA SG11201505070VA SG11201505070VA SG11201505070VA SG 11201505070V A SG11201505070V A SG 11201505070VA SG 11201505070V A SG11201505070V A SG 11201505070VA SG 11201505070V A SG11201505070V A SG 11201505070VA SG 11201505070V A SG11201505070V A SG 11201505070VA
Authority
SG
Singapore
Prior art keywords
magnetic disk
glass substrate
disk
magnetic
glass
Prior art date
Application number
SG11201505070VA
Inventor
Masanori Tamaki
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 SG11201505070VA publication Critical patent/SG11201505070VA/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
    • G11B5/62—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
    • 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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/82—Disk carriers
    • 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)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
SG11201505070VA 2012-12-29 2013-12-27 Glass substrate for magnetic disk and magnetic disk SG11201505070VA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012289180 2012-12-29
PCT/JP2013/085270 WO2014104368A1 (en) 2012-12-29 2013-12-27 Glass substrate for magnetic disk and magnetic disk

Publications (1)

Publication Number Publication Date
SG11201505070VA true SG11201505070VA (en) 2015-08-28

Family

ID=51021429

Family Applications (2)

Application Number Title Priority Date Filing Date
SG11201505070VA SG11201505070VA (en) 2012-12-29 2013-12-27 Glass substrate for magnetic disk and magnetic disk
SG10201705086TA SG10201705086TA (en) 2012-12-29 2013-12-27 Glass substrate for magnetic disk and magnetic disk

Family Applications After (1)

Application Number Title Priority Date Filing Date
SG10201705086TA SG10201705086TA (en) 2012-12-29 2013-12-27 Glass substrate for magnetic disk and magnetic disk

Country Status (6)

Country Link
US (2) US9595283B2 (en)
JP (2) JP5860173B2 (en)
CN (3) CN108198577B (en)
MY (1) MY166438A (en)
SG (2) SG11201505070VA (en)
WO (1) WO2014104368A1 (en)

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WO2014079478A1 (en) 2012-11-20 2014-05-30 Light In Light Srl High speed laser processing of transparent materials
JP5860173B2 (en) * 2012-12-29 2016-02-16 Hoya株式会社 Glass substrate for magnetic disk and magnetic disk
EP2754524B1 (en) 2013-01-15 2015-11-25 Corning Laser Technologies GmbH Method of and apparatus for laser based processing of flat substrates being wafer or glass element using a laser beam line
MY172325A (en) * 2013-02-22 2019-11-21 Hoya Corp Annular substrate, magnetic-disk substrate, method for manufacturing a magnetic-disk substrate, magnetic disk, method for manufacturing a magnetic disk, and hard disk apparatus
CN105009213B (en) * 2013-03-01 2018-06-29 Hoya株式会社 Glass substrate for disc and disk
EP2781296B1 (en) 2013-03-21 2020-10-21 Corning Laser Technologies GmbH Device and method for cutting out contours from flat substrates using a laser
US11556039B2 (en) 2013-12-17 2023-01-17 Corning Incorporated Electrochromic coated glass articles and methods for laser processing the same
US9850160B2 (en) 2013-12-17 2017-12-26 Corning Incorporated Laser cutting of display glass compositions
US10442719B2 (en) 2013-12-17 2019-10-15 Corning Incorporated Edge chamfering methods
US20150165560A1 (en) 2013-12-17 2015-06-18 Corning Incorporated Laser processing of slots and holes
US9517963B2 (en) 2013-12-17 2016-12-13 Corning Incorporated Method for rapid laser drilling of holes in glass and products made therefrom
US9815730B2 (en) 2013-12-17 2017-11-14 Corning Incorporated Processing 3D shaped transparent brittle substrate
CN106030709B (en) * 2014-03-31 2018-02-23 Hoya株式会社 Glass substrate for disc
US9815144B2 (en) 2014-07-08 2017-11-14 Corning Incorporated Methods and apparatuses for laser processing materials
EP3536440A1 (en) 2014-07-14 2019-09-11 Corning Incorporated Glass article with a defect pattern
CN107073642B (en) * 2014-07-14 2020-07-28 康宁股份有限公司 System and method for processing transparent materials using laser beam focal lines with adjustable length and diameter
US10611667B2 (en) 2014-07-14 2020-04-07 Corning Incorporated Method and system for forming perforations
CN107073641B (en) 2014-07-14 2020-11-10 康宁股份有限公司 An interface block; system and method for cutting substrates transparent in the wavelength range using such an interface block
EP3245166B1 (en) 2015-01-12 2020-05-27 Corning Incorporated Laser cutting of thermally tempered substrates using the multi photon absorption method
HUE055461T2 (en) 2015-03-24 2021-11-29 Corning Inc Laser cutting and processing of display glass compositions
WO2017011296A1 (en) 2015-07-10 2017-01-19 Corning Incorporated Methods of continuous fabrication of holes in flexible substrate sheets and products relating to the same
JP6106813B1 (en) 2015-09-30 2017-04-05 Hoya株式会社 Glass substrate for magnetic disk, magnetic disk, glass substrate intermediate, and method for producing glass substrate for magnetic disk
SG11201809797PA (en) 2016-05-06 2018-12-28 Corning Inc Laser cutting and removal of contoured shapes from transparent substrates
US10410883B2 (en) 2016-06-01 2019-09-10 Corning Incorporated Articles and methods of forming vias in substrates
US10794679B2 (en) 2016-06-29 2020-10-06 Corning Incorporated Method and system for measuring geometric parameters of through holes
WO2018022476A1 (en) 2016-07-29 2018-02-01 Corning Incorporated Apparatuses and methods for laser processing
US10522963B2 (en) 2016-08-30 2019-12-31 Corning Incorporated Laser cutting of materials with intensity mapping optical system
KR102078294B1 (en) 2016-09-30 2020-02-17 코닝 인코포레이티드 Apparatus and method for laser machining transparent workpieces using non-axisymmetric beam spots
KR102428350B1 (en) 2016-10-24 2022-08-02 코닝 인코포레이티드 Substrate processing station for laser-based machining of sheet-like glass substrates
US10752534B2 (en) 2016-11-01 2020-08-25 Corning Incorporated Apparatuses and methods for laser processing laminate workpiece stacks
US10688599B2 (en) 2017-02-09 2020-06-23 Corning Incorporated Apparatus and methods for laser processing transparent workpieces using phase shifted focal lines
CN110326042B (en) 2017-03-31 2020-09-11 Hoya株式会社 Non-magnetic substrate for magnetic disk and magnetic disk
US11078112B2 (en) 2017-05-25 2021-08-03 Corning Incorporated Silica-containing substrates with vias having an axially variable sidewall taper and methods for forming the same
US10580725B2 (en) 2017-05-25 2020-03-03 Corning Incorporated Articles having vias with geometry attributes and methods for fabricating the same
US10626040B2 (en) 2017-06-15 2020-04-21 Corning Incorporated Articles capable of individual singulation
US11554984B2 (en) 2018-02-22 2023-01-17 Corning Incorporated Alkali-free borosilicate glasses with low post-HF etch roughness
JP6895918B2 (en) * 2018-03-23 2021-06-30 古河電気工業株式会社 Manufacturing method of aluminum alloy substrate for magnetic disk, disk drive, and aluminum alloy substrate for magnetic disk
CN110517276A (en) * 2019-07-12 2019-11-29 郑州磨料磨具磨削研究所有限公司 A kind of grinding wheel dressing method and device based on machine vision
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JP5154777B2 (en) * 2005-09-29 2013-02-27 Ｈｏｙａ株式会社 Polishing brush, polishing method, polishing apparatus, method for manufacturing glass substrate for magnetic disk, and method for manufacturing magnetic disk
CN101258380B (en) * 2006-02-28 2011-05-04 佳能株式会社 Method for measuring circular shape and cylindrical shape as well as cylindrical sensing equipment
CN101611444B (en) * 2007-02-20 2012-10-10 Hoya株式会社 Magnetic disc substrate, magnetic disc, and magnetic disc device
WO2008102751A1 (en) * 2007-02-20 2008-08-28 Hoya Corporation Magnetic disc substrate, magnetic disc, and magnetic disc device
JP2008217918A (en) 2007-03-06 2008-09-18 Konica Minolta Opto Inc Glass substrate for magnetic recording medium, and magnetic recording medium
JP4748115B2 (en) * 2007-06-12 2011-08-17 コニカミノルタオプト株式会社 Glass substrate for magnetic recording medium and magnetic recording medium
JP2011198429A (en) * 2010-03-23 2011-10-06 Hoya Corp Glass substrate for magnetic disk and evaluation method thereof
JP5844610B2 (en) * 2010-11-02 2016-01-20 Hoya株式会社 Manufacturing method of glass substrate for magnetic disk
JP5382280B2 (en) * 2011-08-29 2014-01-08 旭硝子株式会社 Glass plate
JP5029777B1 (en) * 2011-11-22 2012-09-19 旭硝子株式会社 GLASS SUBSTRATE FOR MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING MEDIUM USING THE GLASS SUBSTRATE FOR MAGNETIC RECORDING MEDIUM
JP5574392B1 (en) * 2012-09-28 2014-08-20 Ｈｏｙａ株式会社 Glass substrate for magnetic disk, magnetic disk
JP5860173B2 (en) * 2012-12-29 2016-02-16 Hoya株式会社 Glass substrate for magnetic disk and magnetic disk
MY172325A (en) * 2013-02-22 2019-11-21 Hoya Corp Annular substrate, magnetic-disk substrate, method for manufacturing a magnetic-disk substrate, magnetic disk, method for manufacturing a magnetic disk, and hard disk apparatus
CN105009213B (en) * 2013-03-01 2018-06-29 Hoya株式会社 Glass substrate for disc and disk

Also Published As

Publication number Publication date
CN108198577A (en) 2018-06-22
US20150332722A1 (en) 2015-11-19
CN107886972A (en) 2018-04-06
JP2016076290A (en) 2016-05-12
US10553243B2 (en) 2020-02-04
US9595283B2 (en) 2017-03-14
SG10201705086TA (en) 2017-07-28
CN108198577B (en) 2019-04-23
CN104823239A (en) 2015-08-05
WO2014104368A1 (en) 2014-07-03
US20170169847A1 (en) 2017-06-15
JP5860173B2 (en) 2016-02-16
CN104823239B (en) 2018-04-03
MY166438A (en) 2018-06-27
JP6165227B2 (en) 2017-07-19
JPWO2014104368A1 (en) 2017-01-19
CN107886972B (en) 2019-12-06

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