SG10201706984QA - Magnetic-disk glass substrate, magnetic disk and method for manufacturing magnetic-disk glass substrate - Google Patents

Magnetic-disk glass substrate, magnetic disk and method for manufacturing magnetic-disk glass substrate

Info

Publication number
SG10201706984QA
SG10201706984QA SG10201706984QA SG10201706984QA SG10201706984QA SG 10201706984Q A SG10201706984Q A SG 10201706984QA SG 10201706984Q A SG10201706984Q A SG 10201706984QA SG 10201706984Q A SG10201706984Q A SG 10201706984QA SG 10201706984Q A SG10201706984Q A SG 10201706984QA
Authority
SG
Singapore
Prior art keywords
magnetic
disk
glass substrate
disk glass
manufacturing
Prior art date
Application number
SG10201706984QA
Other languages
English (en)
Inventor
Masaaki Ueda
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 SG10201706984QA publication Critical patent/SG10201706984QA/en

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/73Base 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
    • G11B5/739Magnetic recording media substrates
    • G11B5/73911Inorganic substrates
    • G11B5/73921Glass or ceramic substrates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B37/00Lapping machines or devices; Accessories
    • B24B37/04Lapping machines or devices; Accessories designed for working plane surfaces
    • B24B37/07Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool
    • B24B37/08Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool for double side lapping
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/20Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
    • B24B7/22Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
    • B24B7/24Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain for grinding or polishing glass
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/74Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/82Disk carriers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/8404Processes or apparatus specially adapted for manufacturing record carriers manufacturing base layers
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL 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
    • C03C19/00Surface treatment of glass, not in the form of fibres or filaments, by mechanical means
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL 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
    • C03C2204/00Glasses, glazes or enamels with special properties
    • C03C2204/08Glass having a rough surface

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Magnetic Record Carriers (AREA)
  • Surface Treatment Of Glass (AREA)
SG10201706984QA 2012-09-28 2013-06-28 Magnetic-disk glass substrate, magnetic disk and method for manufacturing magnetic-disk glass substrate SG10201706984QA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012218412 2012-09-28

Publications (1)

Publication Number Publication Date
SG10201706984QA true SG10201706984QA (en) 2017-10-30

Family

ID=50387658

Family Applications (2)

Application Number Title Priority Date Filing Date
SG10201706984QA SG10201706984QA (en) 2012-09-28 2013-06-28 Magnetic-disk glass substrate, magnetic disk and method for manufacturing magnetic-disk glass substrate
SG11201501455YA SG11201501455YA (en) 2012-09-28 2013-06-28 Magnetic-disk glass substrate, magnetic disk and method for manufacturing magnetic-disk glass substrate

Family Applications After (1)

Application Number Title Priority Date Filing Date
SG11201501455YA SG11201501455YA (en) 2012-09-28 2013-06-28 Magnetic-disk glass substrate, magnetic disk and method for manufacturing magnetic-disk glass substrate

Country Status (6)

Country Link
US (2) US9697860B2 (https=)
JP (2) JP5592037B1 (https=)
CN (2) CN104584126B8 (https=)
MY (1) MY169200A (https=)
SG (2) SG10201706984QA (https=)
WO (1) WO2014050241A1 (https=)

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US11056352B2 (en) * 2018-07-31 2021-07-06 Taiwan Semiconductor Manufacturing Company, Ltd. Magnetic slurry for highly efficient CMP
CN113924276B (zh) * 2019-06-28 2024-10-01 Hoya株式会社 玻璃板的制造方法和磁盘的制造方法
WO2021020587A1 (ja) * 2019-07-31 2021-02-04 Hoya株式会社 円環形状のガラス板の製造方法、磁気ディスク用ガラス基板の製造方法、磁気ディスクの製造方法、円環形状のガラス板、磁気ディスク用ガラス基板、及び磁気ディスク
CN115307986B (zh) * 2022-02-22 2025-06-06 陕西北方动力有限责任公司 一种磷化产品含油量的检测方法
US12594645B2 (en) 2023-06-09 2026-04-07 Western Digital Technologies, Inc. Method and disk carrier for use in polishing glass substrate disks

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Also Published As

Publication number Publication date
CN107256712A (zh) 2017-10-17
SG11201501455YA (en) 2015-05-28
JP2014179160A (ja) 2014-09-25
WO2014050241A1 (ja) 2014-04-03
JPWO2014050241A1 (ja) 2016-08-22
CN104584126B (zh) 2017-06-23
MY169200A (en) 2019-02-26
US20170263278A1 (en) 2017-09-14
CN104584126A (zh) 2015-04-29
US9697860B2 (en) 2017-07-04
CN104584126B8 (zh) 2017-08-08
JP5592037B1 (ja) 2014-09-17
US10580448B2 (en) 2020-03-03
CN107256712B (zh) 2020-04-14
US20150255103A1 (en) 2015-09-10
JP6215770B2 (ja) 2017-10-18

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