SG10201705086TA - Glass substrate for magnetic disk and magnetic disk - Google Patents

Glass substrate for magnetic disk and magnetic disk

Info

Publication number
SG10201705086TA
SG10201705086TA SG10201705086TA SG10201705086TA SG10201705086TA SG 10201705086T A SG10201705086T A SG 10201705086TA SG 10201705086T A SG10201705086T A SG 10201705086TA SG 10201705086T A SG10201705086T A SG 10201705086TA SG 10201705086T A SG10201705086T A SG 10201705086TA
Authority
SG
Singapore
Prior art keywords
magnetic disk
glass substrate
disk
magnetic
glass
Prior art date
Application number
SG10201705086TA
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 SG10201705086TA publication Critical patent/SG10201705086TA/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)
SG10201705086TA 2012-12-29 2013-12-27 Glass substrate for magnetic disk and magnetic disk SG10201705086TA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012289180 2012-12-29

Publications (1)

Publication Number Publication Date
SG10201705086TA true SG10201705086TA (en) 2017-07-28

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 Before (1)

Application Number Title Priority Date Filing Date
SG11201505070VA SG11201505070VA (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) CN104823239B (en)
MY (1) MY166438A (en)
SG (2) SG11201505070VA (en)
WO (1) WO2014104368A1 (en)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106098085B (en) * 2012-09-28 2019-07-02 Hoya株式会社 The glass plate of glass substrate for disc, disk and annular shape
WO2014079478A1 (en) 2012-11-20 2014-05-30 Light In Light Srl High speed laser processing of transparent materials
SG11201505070VA (en) * 2012-12-29 2015-08-28 Hoya Corp 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
JP5703430B2 (en) * 2013-02-22 2015-04-22 Hoya株式会社 Glass substrate for magnetic disk, magnetic disk
CN108847257B (en) * 2013-03-01 2021-02-09 Hoya株式会社 Annular substrate, substrate for magnetic disk and manufacturing method thereof, magnetic disk and manufacturing method thereof
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
US10442719B2 (en) 2013-12-17 2019-10-15 Corning Incorporated Edge chamfering methods
US9517963B2 (en) 2013-12-17 2016-12-13 Corning Incorporated Method for rapid laser drilling of holes in glass and products made therefrom
US20150165560A1 (en) 2013-12-17 2015-06-18 Corning Incorporated Laser processing of slots and holes
US9850160B2 (en) 2013-12-17 2017-12-26 Corning Incorporated Laser cutting of display glass compositions
US11556039B2 (en) 2013-12-17 2023-01-17 Corning Incorporated Electrochromic coated glass articles and methods for laser processing the same
US9815730B2 (en) 2013-12-17 2017-11-14 Corning Incorporated Processing 3D shaped transparent brittle substrate
MY168621A (en) * 2014-03-31 2018-11-14 Hoya Corp Magnetic-disk glass substrate
US9815144B2 (en) 2014-07-08 2017-11-14 Corning Incorporated Methods and apparatuses for laser processing materials
JP6788571B2 (en) 2014-07-14 2020-11-25 コーニング インコーポレイテッド Interface blocks, systems and methods for cutting transparent substrates within a wavelength range using such interface blocks.
WO2016010943A2 (en) 2014-07-14 2016-01-21 Corning Incorporated Method and system for arresting crack propagation
TWI659793B (en) * 2014-07-14 2019-05-21 美商康寧公司 Systems and methods for processing transparent materials using adjustable laser beam focal lines
CN208586209U (en) 2014-07-14 2019-03-08 康宁股份有限公司 A kind of system for forming multiple defects of restriction profile in workpiece
WO2016115017A1 (en) 2015-01-12 2016-07-21 Corning Incorporated Laser cutting of thermally tempered substrates using the multi photon absorption method
KR102546692B1 (en) 2015-03-24 2023-06-22 코닝 인코포레이티드 Laser Cutting and Processing of Display Glass Compositions
JP7082042B2 (en) 2015-07-10 2022-06-07 コーニング インコーポレイテッド A method for continuously forming holes in a flexible substrate sheet and related products.
US10720180B2 (en) * 2015-09-30 2020-07-21 Hoya Corporation Magnetic-disk glass substrate, magnetic-disk glass substrate intermediate, and method for manufacturing magnetic-disk glass substrate
US11111170B2 (en) 2016-05-06 2021-09-07 Corning Incorporated 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
EP3490945B1 (en) 2016-07-29 2020-10-14 Corning Incorporated Methods for laser processing
JP2019532908A (en) 2016-08-30 2019-11-14 コーニング インコーポレイテッド Laser cutting of materials with an intensity mapping optical system
US10730783B2 (en) 2016-09-30 2020-08-04 Corning Incorporated Apparatuses and methods for laser processing 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
MY192572A (en) 2017-03-31 2022-08-29 Hoya Corp 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
US11664050B2 (en) 2021-10-05 2023-05-30 Western Digital Technologies, Inc. Tuned edge profile of a disk substrate for use in magnetic recording media

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6595028B1 (en) * 1999-09-30 2003-07-22 Hoya Corporation Chemical reinforced glass substrate having desirable edge profile and method of manufacturing the same
JP4274708B2 (en) * 2001-05-14 2009-06-10 Ｈｏｙａ株式会社 Glass substrate for magnetic recording medium and manufacturing method thereof
JP4250385B2 (en) 2002-08-09 2009-04-08 Ｈｏｙａ株式会社 Manufacturing method of glass substrate for information recording medium and grinding apparatus for glass substrate for information recording medium
KR20070003887A (en) * 2004-04-22 2007-01-05 아사히 가라스 가부시키가이샤 Low-expansion glass substrate for a reflective mask and reflective mask
IL161605A0 (en) * 2004-04-25 2004-09-27 Palziv Ltd Box divider unit and method for its manufacture
JP2006092722A (en) 2004-08-27 2006-04-06 Showa Denko Kk Magnetic disk substrate and production method of magnetic disk
JP2006099936A (en) * 2004-08-30 2006-04-13 Hoya Corp Method for manufacturing magnetic disk glass substrate, method for manufacturing magnetic disk, and cylindrical glass base material for glass substrate
WO2007099646A1 (en) 2006-02-28 2007-09-07 Canon Kabushiki Kaisha Circular shape measurement method, cylindrical shape measurement method, and cylindrical shape measurement apparatus
JP2005293840A (en) * 2005-05-25 2005-10-20 Hoya Corp Glass disk substrate, magnetic disk, method for manufacturing glass disk substrate for magnetic disk, and method for manufacturing magnetic disk
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
CN101611444B (en) * 2007-02-20 2012-10-10 Hoya株式会社 Magnetic disc substrate, magnetic disc, and magnetic disc device
SG192516A1 (en) * 2007-02-20 2013-08-30 Hoya Corp Magnetic disk substrate, magnetic disk, and magnetic disk 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
CN106098085B (en) * 2012-09-28 2019-07-02 Hoya株式会社 The glass plate of glass substrate for disc, disk and annular shape
SG11201505070VA (en) * 2012-12-29 2015-08-28 Hoya Corp Glass substrate for magnetic disk and magnetic disk
JP5703430B2 (en) * 2013-02-22 2015-04-22 Hoya株式会社 Glass substrate for magnetic disk, magnetic disk
CN108847257B (en) * 2013-03-01 2021-02-09 Hoya株式会社 Annular substrate, substrate for magnetic disk and manufacturing method thereof, magnetic disk and manufacturing method thereof

Also Published As

Publication number Publication date
JPWO2014104368A1 (en) 2017-01-19
SG11201505070VA (en) 2015-08-28
US10553243B2 (en) 2020-02-04
CN104823239B (en) 2018-04-03
US20170169847A1 (en) 2017-06-15
US9595283B2 (en) 2017-03-14
US20150332722A1 (en) 2015-11-19
CN108198577A (en) 2018-06-22
JP2016076290A (en) 2016-05-12
CN107886972A (en) 2018-04-06
JP5860173B2 (en) 2016-02-16
CN104823239A (en) 2015-08-05
WO2014104368A1 (en) 2014-07-03
MY166438A (en) 2018-06-27
CN107886972B (en) 2019-12-06
JP6165227B2 (en) 2017-07-19
CN108198577B (en) 2019-04-23

Similar Documents

Publication Publication Date Title
SG11201505070VA (en) Glass substrate for magnetic disk and magnetic disk
SG10201605515PA (en) Glass for magnetic recording medium substrate and usage thereof
ZA201405533B (en) Apparatuses and methods for bonding substrates
SG11201601861WA (en) Glass for magnetic recording medium substrate and magnetic recording medium substrate
EP2761409A4 (en) Magnetic stylus
SG11201506622TA (en) Glass substrate for magnetic disk and magnetic disk
SG11201506619TA (en) Glass substrate for magnetic disk and magnetic disk
SG10201401901WA (en) Glass for substrate, and glass substrate
SG11201501455YA (en) Magnetic-disk glass substrate, magnetic disk and method for manufacturing magnetic-disk glass substrate
SG10201605879PA (en) Magnetic-disk glass substrate and magnetic disk
PL2911630T3 (en) Apparatuses and methods for bonding substrates
SG11201501453WA (en) Magnetic-disk glass substrate and magnetic disk
SG11201501452QA (en) Magnetic-disk glass substrate and magnetic disk
SG10201605534QA (en) Glass substrate for magnetic recording medium, and magnetic recording medium
EP2833358A4 (en) Disk
SG11201602378XA (en) Method for manufacturing glass substrate and method formanufacturing magnetic disk
SG11201406177YA (en) Glass for magnetic recording medium substrate, glass substrate for magnetic recording medium, and their use
SG10201506905SA (en) Method for manufacturing glass substrate for magnetic disk and method for manufacturing magnetic disk
SG11201405080XA (en) Method for manufacturing magnetic-disk glass substrate and method for manufacturing magnetic disk
SG11201501456XA (en) Method for manufacturing magnetic-disk glass substrate
SG11201503250RA (en) Method for manufacturing glass substrate for magnetic disk and method for manufacturing magnetic disk
SG11201601374SA (en) Method for manufacturing glass substrate for magnetic disk, and method for manufacturing magnetic disk
SG11201507851UA (en) Method for manufacturing magnetic-disk glass substrate, magnetic-disk glass substrate, and method for manufacturing magnetic disk
EP2857370A4 (en) Method for manufacturing glass substrate and glass substrate
SG10201607037VA (en) Glass substrate for magnetic disk and magnetic disk