CN107256712B - 磁盘用玻璃基板及其制造方法、磁盘、圆环状的玻璃基板 - Google Patents

磁盘用玻璃基板及其制造方法、磁盘、圆环状的玻璃基板 Download PDF

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Publication number
CN107256712B
CN107256712B CN201710451295.8A CN201710451295A CN107256712B CN 107256712 B CN107256712 B CN 107256712B CN 201710451295 A CN201710451295 A CN 201710451295A CN 107256712 B CN107256712 B CN 107256712B
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China
Prior art keywords
glass substrate
roughness
magnetic disk
side wall
load factor
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CN201710451295.8A
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English (en)
Chinese (zh)
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CN107256712A (zh
Inventor
植田政明
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Hoya Corp
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Hoya Corp
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    • 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

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  • 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)
CN201710451295.8A 2012-09-28 2013-06-28 磁盘用玻璃基板及其制造方法、磁盘、圆环状的玻璃基板 Active CN107256712B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP2012-218412 2012-09-28
JP2012218412 2012-09-28
CN201380044680.0A CN104584126B8 (zh) 2012-09-28 2013-06-28 磁盘用玻璃基板、磁盘以及磁盘用玻璃基板的制造方法

Related Parent Applications (1)

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CN201380044680.0A Division CN104584126B8 (zh) 2012-09-28 2013-06-28 磁盘用玻璃基板、磁盘以及磁盘用玻璃基板的制造方法

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Publication Number Publication Date
CN107256712A CN107256712A (zh) 2017-10-17
CN107256712B true CN107256712B (zh) 2020-04-14

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CN201710451295.8A Active CN107256712B (zh) 2012-09-28 2013-06-28 磁盘用玻璃基板及其制造方法、磁盘、圆环状的玻璃基板
CN201380044680.0A Active CN104584126B8 (zh) 2012-09-28 2013-06-28 磁盘用玻璃基板、磁盘以及磁盘用玻璃基板的制造方法

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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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US11056352B2 (en) 2018-07-31 2021-07-06 Taiwan Semiconductor Manufacturing Company, Ltd. Magnetic slurry for highly efficient CMP
WO2020262702A1 (ja) * 2019-06-28 2020-12-30 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
CN114175156B (zh) * 2019-07-31 2024-04-19 Hoya株式会社 圆环形状的玻璃板的制造方法、磁盘用玻璃基板的制造方法、磁盘的制造方法、圆环形状的玻璃板、磁盘用玻璃基板以及磁盘
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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CN1993736A (zh) * 2004-08-11 2007-07-04 昭和电工株式会社 磁记录介质的硅基底及其制造方法以及磁记录介质

Also Published As

Publication number Publication date
SG11201501455YA (en) 2015-05-28
US10580448B2 (en) 2020-03-03
US20150255103A1 (en) 2015-09-10
JP5592037B1 (ja) 2014-09-17
CN107256712A (zh) 2017-10-17
SG10201706984QA (en) 2017-10-30
CN104584126B (zh) 2017-06-23
WO2014050241A1 (ja) 2014-04-03
CN104584126A (zh) 2015-04-29
JP6215770B2 (ja) 2017-10-18
JPWO2014050241A1 (ja) 2016-08-22
JP2014179160A (ja) 2014-09-25
US20170263278A1 (en) 2017-09-14
MY169200A (en) 2019-02-26
CN104584126B8 (zh) 2017-08-08
US9697860B2 (en) 2017-07-04

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