SG11201606688RA - Magnetic-disk glass substrate - Google Patents

Magnetic-disk glass substrate

Info

Publication number
SG11201606688RA
SG11201606688RA SG11201606688RA SG11201606688RA SG11201606688RA SG 11201606688R A SG11201606688R A SG 11201606688RA SG 11201606688R A SG11201606688R A SG 11201606688RA SG 11201606688R A SG11201606688R A SG 11201606688RA SG 11201606688R A SG11201606688R A SG 11201606688RA
Authority
SG
Singapore
Prior art keywords
magnetic
glass substrate
disk glass
disk
substrate
Prior art date
Application number
SG11201606688RA
Other languages
English (en)
Inventor
Shuhei Azuma
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 SG11201606688RA publication Critical patent/SG11201606688RA/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
    • C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
    • B24B1/005—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes using a magnetic polishing agent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
    • B24B31/10—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work
    • B24B31/112—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work using magnetically consolidated grinding powder, moved relatively to the workpiece under the influence of pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
    • B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
    • B24B9/10—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of plate glass
    • B24B9/107—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of plate glass for glass plates while they are turning
    • 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
    • G11B5/73921—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
    • 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
    • C03C2214/00—Nature of the non-vitreous component
    • C03C2214/08—Metals

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Surface Treatment Of Glass (AREA)
  • Glass Compositions (AREA)
SG11201606688RA 2014-03-31 2015-03-31 Magnetic-disk glass substrate SG11201606688RA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014072202 2014-03-31
PCT/JP2015/060291 WO2015152316A1 (ja) 2014-03-31 2015-03-31 磁気ディスク用ガラス基板

Publications (1)

Publication Number Publication Date
SG11201606688RA true SG11201606688RA (en) 2016-09-29

Family

ID=54240634

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201606688RA SG11201606688RA (en) 2014-03-31 2015-03-31 Magnetic-disk glass substrate

Country Status (6)

Country Link
US (2) US10032472B2 (ja)
JP (2) JP5860195B1 (ja)
CN (2) CN106030709B (ja)
MY (1) MY168621A (ja)
SG (1) SG11201606688RA (ja)
WO (1) WO2015152316A1 (ja)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014050241A1 (ja) * 2012-09-28 2014-04-03 Hoya株式会社 磁気ディスク用ガラス基板、磁気ディスク、磁気ディスク用ガラス基板の製造方法
MY168621A (en) * 2014-03-31 2018-11-14 Hoya Corp Magnetic-disk glass substrate
CN107615381B (zh) * 2015-09-30 2019-09-13 Hoya株式会社 磁盘用玻璃基板、磁盘、玻璃基板中间体和磁盘用玻璃基板的制造方法
JP6020754B1 (ja) * 2015-12-25 2016-11-02 旭硝子株式会社 磁気記録媒体用ガラス基板、磁気記録媒体
JP5939350B1 (ja) * 2015-12-28 2016-06-22 旭硝子株式会社 磁気記録媒体用ガラス基板、磁気記録媒体
DE102016107535A1 (de) * 2016-04-22 2017-10-26 Schott Ag Flachglasprodukt mit erhöhter Kantenfestigkeit und Verfahren zu dessen Herstellung
CN110431120A (zh) * 2017-01-31 2019-11-08 康宁股份有限公司 用于减少玻璃片边缘颗粒的方法
KR20190105114A (ko) * 2017-01-31 2019-09-11 코닝 인코포레이티드 유리 시트 엣지 파티클들을 감소시키기 위한 방법들
WO2019004484A1 (ja) * 2017-06-30 2019-01-03 Hoya株式会社 磁気ディスク用基板及び磁気ディスク
WO2019113274A1 (en) * 2017-12-06 2019-06-13 Westinghouse Electric Company Llc Panel assembly having variable transmissivity and structural rigidity
JP7346431B2 (ja) * 2018-05-15 2023-09-19 ショット グラス テクノロジーズ （スゾウ） カンパニー リミテッド 特別な面取り部の形状および高強度を有する超薄ガラス

Family Cites Families (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0785463A (ja) * 1993-09-20 1995-03-31 A G Technol Kk 磁気ディスク
JPH07244947A (ja) * 1994-03-08 1995-09-19 Hitachi Ltd 磁気ディスク装置、磁気ディスクおよび磁気ディスクの製造方法
JP3158867B2 (ja) * 1994-06-15 2001-04-23 富士電機株式会社 磁気記録媒体の製造方法
US6096405A (en) 1996-09-30 2000-08-01 Hoya Corporation Magnetic recording medium having a glass substrate and method of manufacturing the magnetic recording medium
JP3359304B2 (ja) 1998-08-19 2002-12-24 ホーヤ株式会社 磁気記録媒体用ガラス基板、磁気記録媒体及びそれらの製造方法
SG84541A1 (en) * 1998-08-19 2001-11-20 Hoya Corp Glass substrate for magnetic recording medium, magnetic recording medium, and method of manufacturing the same
JP3959588B2 (ja) * 1999-05-13 2007-08-15 日本板硝子株式会社 情報記録媒体用ガラス基板、情報記録媒体用ガラス基板の製造方法及び情報記録媒体
US6509111B1 (en) * 1999-09-24 2003-01-21 Hitachi, Ltd. Magnetic recording media and magnetic disk apparatus
JP3912575B2 (ja) * 1999-12-21 2007-05-09 Ｈｏｙａ株式会社 磁気記録媒体用ガラス基板の製造方法、及び磁気記録媒体の製造方法
US6706427B2 (en) * 1999-12-21 2004-03-16 Hoya Corporation Management technique of friction coefficient based on surface roughness, substrate for information recording medium, information recording medium and manufacture method thereof
US6852432B2 (en) * 2000-06-30 2005-02-08 Hitachi, Ltd. Magnetic recording media and magnetic disk apparatus
JP3734745B2 (ja) * 2000-12-18 2006-01-11 Ｈｏｙａ株式会社 磁気記録媒体用ガラス基板の製造方法およびそれを用いて得られる磁気記録媒体用ガラス基板
JP4274708B2 (ja) * 2001-05-14 2009-06-10 Ｈｏｙａ株式会社 磁気記録媒体用ガラス基板及びその製造方法
JP2005078708A (ja) * 2003-08-29 2005-03-24 Toshiba Corp 磁気ディスクおよびこれを備えた磁気ディスク装置
JP2006079800A (ja) * 2004-08-11 2006-03-23 Showa Denko Kk 磁気記録媒体用シリコン基板及びその製造方法並びに磁気記録媒体
JP2006092722A (ja) * 2004-08-27 2006-04-06 Showa Denko Kk 磁気ディスク用基板および磁気ディスクの製造方法
JP2006089363A (ja) * 2004-08-27 2006-04-06 Showa Denko Kk 磁気記録媒体用ガラス基板の製造方法、それにより得られる磁気記録媒体用ガラス基板およびこの基板を用いて得られる磁気記録媒体
WO2007007650A1 (en) * 2005-07-08 2007-01-18 Showa Denko K.K. Substrate for magnetic recording medium, magnetic recording medium, and magnetic recording and reproducing apparatus
JP4545714B2 (ja) * 2005-07-08 2010-09-15 昭和電工株式会社 磁気記録媒体並びに磁気記録再生装置
CN100550137C (zh) * 2005-07-08 2009-10-14 昭和电工株式会社 磁记录介质的基底、磁记录介质以及磁记录和再现装置
JP2007272995A (ja) 2006-03-31 2007-10-18 Hoya Corp 磁気ディスク装置および非磁性基板の良否判定方法、磁気ディスク、並びに磁気ディスク装置
US8241423B2 (en) * 2006-09-29 2012-08-14 Sumco Techxiv Corporation Silicon single crystal substrate and manufacture thereof
WO2008146522A1 (ja) * 2007-05-30 2008-12-04 Toyo Kohan Co., Ltd. 磁気ディスク用ガラス基板の表面仕上げ方法及び磁気ディスク用ガラス基板
JP5335789B2 (ja) * 2008-06-30 2013-11-06 Ｈｏｙａ株式会社 磁気ディスク用基板及び磁気ディスク
KR101168712B1 (ko) * 2009-02-13 2012-09-13 호야 가부시키가이샤 마스크블랭크용 기판, 마스크블랭크 및 포토마스크
JP5313006B2 (ja) * 2009-03-30 2013-10-09 Ｈｏｙａ株式会社 磁気ディスク用ガラス基板の製造方法
JP5035405B2 (ja) 2009-11-26 2012-09-26 旭硝子株式会社 磁気記録媒体用ガラス基板の製造方法
JP5853408B2 (ja) * 2011-05-09 2016-02-09 旭硝子株式会社 磁気記録媒体用ガラス基板の製造方法および磁気記録媒体用ガラス基板
JP6138042B2 (ja) 2011-05-23 2017-05-31 Hoya株式会社 磁気ディスク用ガラス基板の製造方法
US9348217B2 (en) * 2012-03-30 2016-05-24 Hoya Corporation Mask blank substrate, substrate with multilayer reflection film, transmissive mask blank, reflective mask blank, transmissive mask, reflective mask, and semiconductor device fabrication method
JP2015187042A (ja) * 2012-08-13 2015-10-29 旭硝子株式会社 ガラス基板及びガラス基板の製造方法
US9583128B2 (en) 2012-09-28 2017-02-28 Hoya Corporation Magnetic-disk glass substrate and magnetic disk
WO2014050241A1 (ja) * 2012-09-28 2014-04-03 Hoya株式会社 磁気ディスク用ガラス基板、磁気ディスク、磁気ディスク用ガラス基板の製造方法
WO2014104368A1 (ja) * 2012-12-29 2014-07-03 Hoya株式会社 磁気ディスク用ガラス基板および磁気ディスク
WO2014129633A1 (ja) * 2013-02-22 2014-08-28 Hoya株式会社 磁気ディスク用ガラス基板、磁気ディスク
MY165594A (en) * 2013-03-01 2018-04-16 Hoya Corp Glass substrate for magnetic disk and magnetic disk
MY168621A (en) * 2014-03-31 2018-11-14 Hoya Corp Magnetic-disk glass substrate

Also Published As

Publication number Publication date
JP6426078B2 (ja) 2018-11-21
JP5860195B1 (ja) 2016-02-16
WO2015152316A1 (ja) 2015-10-08
CN108133714B (zh) 2019-08-23
CN106030709A (zh) 2016-10-12
US11024335B2 (en) 2021-06-01
CN108133714A (zh) 2018-06-08
CN106030709B (zh) 2018-02-23
JPWO2015152316A1 (ja) 2017-04-13
US20160372147A1 (en) 2016-12-22
US10032472B2 (en) 2018-07-24
MY168621A (en) 2018-11-14
JP2016058128A (ja) 2016-04-21
US20180301164A1 (en) 2018-10-18

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