MY169200A - 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
MY169200A
MY169200A MYPI2015700585A MYPI2015700585A MY169200A MY 169200 A MY169200 A MY 169200A MY PI2015700585 A MYPI2015700585 A MY PI2015700585A MY PI2015700585 A MYPI2015700585 A MY PI2015700585A MY 169200 A MY169200 A MY 169200A
Authority
MY
Malaysia
Prior art keywords
magnetic
glass substrate
disk
disk glass
roughness
Prior art date
Application number
MYPI2015700585A
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 MY169200A publication Critical patent/MY169200A/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
    • 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
    • B24B37/00—Lapping machines or devices; Accessories
    • B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
    • B24B37/07—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool
    • B24B37/08—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool for double side lapping
    • 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
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/20—Machines 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
    • B24B7/22—Machines 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
    • B24B7/24—Machines 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
    • 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
    • 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
    • C03C19/00—Surface treatment of glass, not in the form of fibres or filaments, by mechanical means
    • 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
    • C03C2204/00—Glasses, glazes or enamels with special properties
    • C03C2204/08—Glass 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)
MYPI2015700585A 2012-09-28 2013-06-28 Magnetic-disk glass substrate, magnetic disk and method for manufacturing magnetic-disk glass substrate MY169200A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
MY169200A true MY169200A (en) 2019-02-26

Family

ID=50387658

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2015700585A MY169200A (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 (enExample)
JP (2) JP5592037B1 (enExample)
CN (2) CN107256712B (enExample)
MY (1) MY169200A (enExample)
SG (2) SG10201706984QA (enExample)
WO (1) WO2014050241A1 (enExample)

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JP5775049B2 (ja) * 2012-10-25 2015-09-09 ＡｖａｎＳｔｒａｔｅ株式会社 ガラス基板の製造方法
CN108847256B (zh) * 2013-02-22 2020-04-03 Hoya株式会社 圆环状基板、磁盘用基板及其制造方法、磁盘及其制造方法
US10032472B2 (en) * 2014-03-31 2018-07-24 Hoya Corporation Magnetic-disk glass substrate
CN110503983B (zh) * 2015-09-30 2021-03-19 Hoya株式会社 磁盘用玻璃基板及其制造方法、磁盘和玻璃基板中间体
US20170106498A1 (en) * 2015-10-20 2017-04-20 Hamilton Sundstrand Corporation Method of manufacturing an actuator assembly component and method of verifying surface finish
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CN110326042B (zh) 2017-03-31 2020-09-11 Hoya株式会社 磁盘用非磁性基板和磁盘
JP6684975B2 (ja) 2018-02-01 2020-04-22 Hoya株式会社 ガラススペーサ、ハードディスクドライブ装置、及びガラススペーサの製造方法
JP6616922B1 (ja) 2018-03-09 2019-12-04 Hoya株式会社 スペーサ、基板の積層体、基板の製造方法、及び磁気ディスク用基板の製造方法
US11056352B2 (en) 2018-07-31 2021-07-06 Taiwan Semiconductor Manufacturing Company, Ltd. Magnetic slurry for highly efficient CMP
JP7201808B2 (ja) * 2019-06-28 2023-01-10 Hoya株式会社 ガラス板の製造方法および磁気ディスクの製造方法
MY209913A (en) * 2019-07-31 2025-08-12 Hoya Corp Method for manufacturing annular glass plate, method for manufacturing glass substrate for magnetic disk, method for manufacturing magnetic disk, annular glass plate, glass substrate for magnetic disk, and magnetic disk
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

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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
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JP5029952B2 (ja) * 2007-09-06 2012-09-19 富士電機株式会社 ガラス基板およびその製造方法、ならびに当該ガラス基板を用いた磁気ディスク
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MY153605A (en) * 2008-06-30 2015-02-27 Hoya Corp Substrate for magnetic disk and magnetic disk
SG194382A1 (en) 2008-09-30 2013-11-29 Hoya Corp Glass substrate for a magnetic disk and magnetic disk
MY165019A (en) 2011-03-31 2018-02-28 Hoya Corp Method of manufacturing a glass substrate for a magnetic disk and method of manufacturing a magnetic disk
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CN107256712B (zh) * 2012-09-28 2020-04-14 Hoya株式会社 磁盘用玻璃基板及其制造方法、磁盘、圆环状的玻璃基板
US10032472B2 (en) * 2014-03-31 2018-07-24 Hoya Corporation Magnetic-disk glass substrate
CN110503983B (zh) * 2015-09-30 2021-03-19 Hoya株式会社 磁盘用玻璃基板及其制造方法、磁盘和玻璃基板中间体

Also Published As

Publication number Publication date
US20170263278A1 (en) 2017-09-14
CN107256712A (zh) 2017-10-17
CN104584126A (zh) 2015-04-29
CN107256712B (zh) 2020-04-14
WO2014050241A1 (ja) 2014-04-03
US9697860B2 (en) 2017-07-04
US10580448B2 (en) 2020-03-03
JP5592037B1 (ja) 2014-09-17
US20150255103A1 (en) 2015-09-10
SG10201706984QA (en) 2017-10-30
CN104584126B (zh) 2017-06-23
JPWO2014050241A1 (ja) 2016-08-22
CN104584126B8 (zh) 2017-08-08
JP2014179160A (ja) 2014-09-25
SG11201501455YA (en) 2015-05-28
JP6215770B2 (ja) 2017-10-18

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