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)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (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)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG10201706984QA (en) * 2012-09-28 2017-10-30 Hoya Corp Magnetic-disk glass substrate, magnetic disk and method for manufacturing magnetic-disk glass substrate
CN106030709B (zh) * 2014-03-31 2018-02-23 Hoya株式会社 磁盘用玻璃基板
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
JP2020505315A (ja) * 2017-01-31 2020-02-20 コーニング インコーポレイテッド ガラスシート縁部粒子の削減方法
JP2020506870A (ja) * 2017-01-31 2020-03-05 コーニング インコーポレイテッド ガラスシートエッジの粒子を低減するための方法
US11152026B2 (en) * 2017-06-30 2021-10-19 Hoya Corporation Substrate for magnetic disks, and magnetic disk
US10600523B2 (en) * 2017-12-06 2020-03-24 Westinghouse Electric Company Llc Panel assembly having variable transmissivity and structural rigidity
KR102600873B1 (ko) * 2018-05-15 2023-11-09 쇼오트 글라스 테크놀로지스 (쑤저우) 코퍼레이션 리미티드. 특수한 챔퍼 형상과 고강도를 갖는 초박형 유리

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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
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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
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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
SG11201501457VA (en) * 2012-09-28 2015-04-29 Hoya Corp Magnetic-disk glass substrate and magnetic disk
SG10201706984QA (en) * 2012-09-28 2017-10-30 Hoya Corp Magnetic-disk glass substrate, magnetic disk and method for manufacturing magnetic-disk glass substrate
MY166438A (en) * 2012-12-29 2018-06-27 Hoya Corp Glass substrate for magnetic disk and magnetic disk
MY166439A (en) * 2013-02-22 2018-06-27 Hoya Corp Glass substrate for magnetic disk and magnetic disk
SG11201506622TA (en) * 2013-03-01 2015-09-29 Hoya Corp Glass substrate for magnetic disk and magnetic disk
CN106030709B (zh) * 2014-03-31 2018-02-23 Hoya株式会社 磁盘用玻璃基板

Also Published As

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

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