JP5426306B2 - 磁気ディスク用ガラス基板及び磁気ディスク - Google Patents

磁気ディスク用ガラス基板及び磁気ディスク Download PDF

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Publication number
JP5426306B2
JP5426306B2 JP2009228168A JP2009228168A JP5426306B2 JP 5426306 B2 JP5426306 B2 JP 5426306B2 JP 2009228168 A JP2009228168 A JP 2009228168A JP 2009228168 A JP2009228168 A JP 2009228168A JP 5426306 B2 JP5426306 B2 JP 5426306B2
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Japan
Prior art keywords
glass substrate
magnetic disk
magnetic
main surface
glass
Prior art date
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Active
Application number
JP2009228168A
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English (en)
Japanese (ja)
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JP2010108591A5 (enExample
JP2010108591A (ja
Inventor
伸二 江田
英樹 磯野
高志 前田
弘 土屋
吉典 丸茂
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
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Hoya Corp
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Priority to JP2009228168A priority Critical patent/JP5426306B2/ja
Publication of JP2010108591A publication Critical patent/JP2010108591A/ja
Publication of JP2010108591A5 publication Critical patent/JP2010108591A5/ja
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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
    • G11B5/62—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
    • 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
    • C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
    • C03C21/008—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in solid phase, e.g. using pastes, powders
    • 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
    • C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
    • C03C23/0075—Cleaning of glass
    • 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
    • C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
    • C03C23/009—Poling glass
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09G—POLISHING COMPOSITIONS; SKI WAXES
    • C09G1/00—Polishing compositions
    • C09G1/02—Polishing compositions containing abrasives or grinding agents
    • 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
    • C03C2204/00—Glasses, glazes or enamels with special properties
    • C03C2204/08—Glass having a rough surface
    • 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
    • G11B5/8408—Processes or apparatus specially adapted for manufacturing record carriers protecting the magnetic layer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Surface Treatment Of Glass (AREA)
  • Magnetic Record Carriers (AREA)
JP2009228168A 2008-09-30 2009-09-30 磁気ディスク用ガラス基板及び磁気ディスク Active JP5426306B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2009228168A JP5426306B2 (ja) 2008-09-30 2009-09-30 磁気ディスク用ガラス基板及び磁気ディスク

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2008254065 2008-09-30
JP2008254787 2008-09-30
JP2008254787 2008-09-30
JP2008254065 2008-09-30
JP2009228168A JP5426306B2 (ja) 2008-09-30 2009-09-30 磁気ディスク用ガラス基板及び磁気ディスク

Publications (3)

Publication Number Publication Date
JP2010108591A JP2010108591A (ja) 2010-05-13
JP2010108591A5 JP2010108591A5 (enExample) 2013-03-21
JP5426306B2 true JP5426306B2 (ja) 2014-02-26

Family

ID=42073502

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2009228168A Active JP5426306B2 (ja) 2008-09-30 2009-09-30 磁気ディスク用ガラス基板及び磁気ディスク
JP2009228169A Active JP5426307B2 (ja) 2008-09-30 2009-09-30 磁気ディスク用ガラス基板及び磁気ディスク

Family Applications After (1)

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JP2009228169A Active JP5426307B2 (ja) 2008-09-30 2009-09-30 磁気ディスク用ガラス基板及び磁気ディスク

Country Status (6)

Country Link
US (2) US8785010B2 (enExample)
JP (2) JP5426306B2 (enExample)
CN (2) CN103151051B (enExample)
MY (3) MY158962A (enExample)
SG (2) SG194382A1 (enExample)
WO (1) WO2010038741A1 (enExample)

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US8585463B2 (en) 2010-06-29 2013-11-19 Konica Minolta Advanced Layers, Inc. Process for producing glass substrate for information recording medium
JP5940278B2 (ja) * 2010-10-27 2016-06-29 花王株式会社 ガラスハードディスク基板の製造方法
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US9097994B2 (en) * 2012-01-27 2015-08-04 Sematech, Inc. Abrasive-free planarization for EUV mask substrates
JP5925539B2 (ja) * 2012-03-16 2016-05-25 ＡｖａｎＳｔｒａｔｅ株式会社 ガラス板の製造方法
JP6009225B2 (ja) * 2012-05-29 2016-10-19 浜松ホトニクス株式会社 強化ガラス板の切断方法
US9564166B2 (en) * 2012-08-29 2017-02-07 Hoya Corporation Magnetic-disk glass substrate and magnetic disk
WO2014049947A1 (ja) * 2012-09-27 2014-04-03 Hoya株式会社 情報記録媒体用ガラス基板の検査方法、及び情報記録媒体用ガラス基板の製造方法
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
JPWO2014103283A1 (ja) * 2012-12-25 2017-01-12 Hoya株式会社 情報記録媒体用ガラス基板の製造方法
WO2014103983A1 (ja) * 2012-12-27 2014-07-03 Hoya株式会社 情報記録媒体用ガラス基板の製造方法
JP6298448B2 (ja) * 2013-03-30 2018-03-20 Hoya株式会社 磁気ディスク用ガラス基板の製造方法、磁気ディスク用ガラス基板、及び磁気ディスクの製造方法
CN105669050B (zh) * 2013-07-19 2018-04-17 旭硝子株式会社 化学强化玻璃
SG10201702021UA (en) * 2013-12-26 2017-05-30 Hoya Corp Magnetic-disk substrate, magnetic disk, and magnetic-disk drive device
SG10201912466TA (en) * 2015-03-31 2020-02-27 Hoya Corp Magnetic-disk substrate, magnetic disk, and method for manufacturing magnetic-disk substrate
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JP6894535B2 (ja) * 2017-12-27 2021-06-30 花王株式会社 アルミニウム製プラッタの製造方法
US10753882B1 (en) * 2019-04-10 2020-08-25 Griffyn Robotech Private Ltd. Inspection and cosmetic grading through image processing system and method
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
WO2021200512A1 (ja) * 2020-03-31 2021-10-07 Hoya株式会社 中間体ガラス板の製造方法、磁気ディスク用ガラス板の製造方法、および中間体ガラス板の積層体
CN111895960B (zh) * 2020-08-06 2021-04-20 鞍钢冷轧钢板（莆田）有限公司 一种镀锌钢板平面度检测标记系统及检测标记方法

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Also Published As

Publication number Publication date
CN102171756A (zh) 2011-08-31
US8785010B2 (en) 2014-07-22
SG194382A1 (en) 2013-11-29
JP2010108592A (ja) 2010-05-13
WO2010038741A1 (ja) 2010-04-08
CN103151051A (zh) 2013-06-12
CN102171756B (zh) 2013-08-07
JP5426307B2 (ja) 2014-02-26
US9085486B2 (en) 2015-07-21
MY158962A (en) 2016-11-30
SG10201506370VA (en) 2015-09-29
MY204568A (en) 2024-09-04
MY186233A (en) 2021-06-30
JP2010108591A (ja) 2010-05-13
US20110171415A1 (en) 2011-07-14
US20140287269A1 (en) 2014-09-25
CN103151051B (zh) 2015-12-09

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