CN105164751B - 圆盘状玻璃基板、磁盘用玻璃基板、磁盘用玻璃基板的制造方法及磁盘 - Google Patents

圆盘状玻璃基板、磁盘用玻璃基板、磁盘用玻璃基板的制造方法及磁盘 Download PDF

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Publication number
CN105164751B
CN105164751B CN201480023887.4A CN201480023887A CN105164751B CN 105164751 B CN105164751 B CN 105164751B CN 201480023887 A CN201480023887 A CN 201480023887A CN 105164751 B CN105164751 B CN 105164751B
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CN
China
Prior art keywords
glass substrate
contour line
disk
count value
polishing
Prior art date
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Active
Application number
CN201480023887.4A
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English (en)
Chinese (zh)
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CN105164751A (zh
Inventor
鹿岛隆
鹿岛隆一
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hoya Corp
Original Assignee
Hoya Corp
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Publication of CN105164751A publication Critical patent/CN105164751A/zh
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Publication of CN105164751B publication Critical patent/CN105164751B/zh
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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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/82—Disk carriers
    • 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
    • B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
    • B24B29/005—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents using brushes
    • 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
    • B24B9/065—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 thin, brittle parts, e.g. semiconductors, wafers
    • 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
    • C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
    • C03C10/0081—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition having a magnetic crystal phase
    • 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
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/097—Glass compositions containing silica with 40% to 90% silica, by weight containing phosphorus, niobium or tantalum
    • 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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Magnetic Record Carriers (AREA)
  • Surface Treatment Of Glass (AREA)
CN201480023887.4A 2013-06-27 2014-06-27 圆盘状玻璃基板、磁盘用玻璃基板、磁盘用玻璃基板的制造方法及磁盘 Active CN105164751B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2013-135380 2013-06-27
JP2013135380 2013-06-27
PCT/JP2014/067134 WO2014208717A1 (ja) 2013-06-27 2014-06-27 円板状ガラス基板、磁気ディスク用ガラス基板、磁気ディスク用ガラス基板の製造方法、磁気ディスク

Publications (2)

Publication Number Publication Date
CN105164751A CN105164751A (zh) 2015-12-16
CN105164751B true CN105164751B (zh) 2018-11-13

Family

ID=52142042

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201480023887.4A Active CN105164751B (zh) 2013-06-27 2014-06-27 圆盘状玻璃基板、磁盘用玻璃基板、磁盘用玻璃基板的制造方法及磁盘

Country Status (6)

Country Link
US (1) US9697862B2 (enExample)
JP (2) JP5912002B2 (enExample)
CN (1) CN105164751B (enExample)
MY (2) MY176681A (enExample)
SG (1) SG10201701244VA (enExample)
WO (1) WO2014208717A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6020753B1 (ja) * 2015-12-28 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
CN110431627B (zh) * 2017-06-30 2021-07-02 Hoya株式会社 磁盘用基板和磁盘
TWI727683B (zh) * 2020-02-27 2021-05-11 態金材料科技股份有限公司 抗反射光學玻璃之製法及其製品

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5569518A (en) * 1993-07-07 1996-10-29 Ag Technology Co., Ltd. Glass substrate for a magnetic disk with roughened edges
JP2004079009A (ja) * 2002-08-09 2004-03-11 Nippon Sheet Glass Co Ltd 情報記録媒体用ガラス基板及びその製造方法並びにその研削装置
US20100285726A1 (en) * 2007-12-25 2010-11-11 Hoya Corporation Method for manufacturing a glass substrate for a magnetic disc
JP2011198429A (ja) * 2010-03-23 2011-10-06 Hoya Corp 磁気ディスク用ガラス基板およびその評価方法
JP2012113801A (ja) * 2010-11-02 2012-06-14 Hoya Corp 磁気ディスク用ガラス基板の製造方法
CN103035255A (zh) * 2011-10-05 2013-04-10 Hoya株式会社 磁盘用玻璃基板和磁记录介质

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07230621A (ja) * 1993-07-07 1995-08-29 A G Technol Kk 磁気ディスク用ガラス基板およびその製造方法
WO2005005099A1 (ja) * 2003-07-15 2005-01-20 Hoya Corporation 磁気ディスク用基板の製造方法、磁気ディスク用基板の製造装置及び磁気ディスクの製造方法
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
SG10201501752PA (en) * 2007-02-20 2015-05-28 Hoya Corp Magnetic disc substrate, magnetic disc, and magnetic disc device
CN106057218B (zh) * 2010-08-31 2018-02-06 Hoya株式会社 磁盘用玻璃基板的制造方法以及磁盘的制造方法
US9564166B2 (en) * 2012-08-29 2017-02-07 Hoya Corporation Magnetic-disk glass substrate and magnetic disk

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5569518A (en) * 1993-07-07 1996-10-29 Ag Technology Co., Ltd. Glass substrate for a magnetic disk with roughened edges
JP2004079009A (ja) * 2002-08-09 2004-03-11 Nippon Sheet Glass Co Ltd 情報記録媒体用ガラス基板及びその製造方法並びにその研削装置
US20100285726A1 (en) * 2007-12-25 2010-11-11 Hoya Corporation Method for manufacturing a glass substrate for a magnetic disc
JP2011198429A (ja) * 2010-03-23 2011-10-06 Hoya Corp 磁気ディスク用ガラス基板およびその評価方法
JP2012113801A (ja) * 2010-11-02 2012-06-14 Hoya Corp 磁気ディスク用ガラス基板の製造方法
CN103035255A (zh) * 2011-10-05 2013-04-10 Hoya株式会社 磁盘用玻璃基板和磁记录介质

Also Published As

Publication number Publication date
JP6360512B2 (ja) 2018-07-18
JPWO2014208717A1 (ja) 2017-02-23
US9697862B2 (en) 2017-07-04
JP2016146231A (ja) 2016-08-12
US20160163344A1 (en) 2016-06-09
JP5912002B2 (ja) 2016-04-27
CN105164751A (zh) 2015-12-16
MY167362A (en) 2018-08-16
MY176681A (en) 2020-08-19
WO2014208717A1 (ja) 2014-12-31
SG10201701244VA (en) 2017-04-27

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