MY186233A - Glass substrate for a magnetic disk and magnetic disk - Google Patents

Glass substrate for a magnetic disk and magnetic disk

Info

Publication number
MY186233A
MY186233A MYPI2016001503A MYPI2016001503A MY186233A MY 186233 A MY186233 A MY 186233A MY PI2016001503 A MYPI2016001503 A MY PI2016001503A MY PI2016001503 A MYPI2016001503 A MY PI2016001503A MY 186233 A MY186233 A MY 186233A
Authority
MY
Malaysia
Prior art keywords
magnetic disk
glass substrate
substrate
defects
wavelength
Prior art date
Application number
MYPI2016001503A
Other languages
English (en)
Inventor
Shinji Eda
Takashi Maeda
Hideki Isono
Hiroshi Tsuchiya
Yoshinori Marumo
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 MY186233A publication Critical patent/MY186233A/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
    • 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)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (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)
MYPI2016001503A 2008-09-30 2009-09-29 Glass substrate for a magnetic disk and magnetic disk MY186233A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008254065 2008-09-30
JP2008254787 2008-09-30

Publications (1)

Publication Number Publication Date
MY186233A true MY186233A (en) 2021-06-30

Family

ID=42073502

Family Applications (3)

Application Number Title Priority Date Filing Date
MYPI2016001503A MY186233A (en) 2008-09-30 2009-09-29 Glass substrate for a magnetic disk and magnetic disk
MYPI2011001366A MY158962A (en) 2008-09-30 2009-09-29 Glass substrate for a magnetic disk and magnetic disk
MYPI2021003366A MY204568A (en) 2008-09-30 2009-09-29 Magnetic disk glass substrate manufacturing method

Family Applications After (2)

Application Number Title Priority Date Filing Date
MYPI2011001366A MY158962A (en) 2008-09-30 2009-09-29 Glass substrate for a magnetic disk and magnetic disk
MYPI2021003366A MY204568A (en) 2008-09-30 2009-09-29 Magnetic disk glass substrate manufacturing method

Country Status (6)

Country Link
US (2) US8785010B2 (https=)
JP (2) JP5426307B2 (https=)
CN (2) CN102171756B (https=)
MY (3) MY186233A (https=)
SG (2) SG194382A1 (https=)
WO (1) WO2010038741A1 (https=)

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WO2010038741A1 (ja) * 2008-09-30 2010-04-08 Hoya株式会社 磁気ディスク用ガラス基板及び磁気ディスク
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JP5752971B2 (ja) * 2010-03-31 2015-07-22 Hoya株式会社 情報記録媒体用ガラス基板の製造方法
JP4993046B2 (ja) * 2010-06-29 2012-08-08 コニカミノルタアドバンストレイヤー株式会社 情報記録媒体用ガラス基板の製造方法
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
JP5706250B2 (ja) * 2011-06-30 2015-04-22 Hoya株式会社 Ｈｄｄ用ガラス基板
JP5067498B1 (ja) * 2011-10-13 2012-11-07 旭硝子株式会社 磁気記録媒体用ガラス基板及び磁気記録媒体
JP5212530B2 (ja) * 2011-10-17 2013-06-19 旭硝子株式会社 磁気記録媒体用ガラス基板、及び、該磁気記録媒体用ガラス基板を用いた磁気記録媒体
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WO2014034251A1 (ja) 2012-08-29 2014-03-06 Hoya株式会社 磁気ディスク用ガラス基板、磁気ディスク
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
US9697860B2 (en) * 2012-09-28 2017-07-04 Hoya Corporation Magnetic-disk glass substrate, magnetic disk and method for manufacturing magnetic-disk glass substrate
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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
JP5720866B1 (ja) * 2013-07-19 2015-05-20 旭硝子株式会社 化学強化ガラスの製造方法
CN105849806B (zh) * 2013-12-26 2017-11-21 Hoya株式会社 磁盘用基板、磁盘和磁盘驱动装置
US10319403B2 (en) * 2015-03-31 2019-06-11 Hoya Corporation Magnetic-disk substrate, magnetic disk, and method for manufacturing magnetic-disk substrate
US10442720B2 (en) * 2015-10-01 2019-10-15 AGC Inc. Method of forming hole in glass substrate by using pulsed laser, and method of producing glass substrate provided with hole
US10043903B2 (en) 2015-12-21 2018-08-07 Samsung Electronics Co., Ltd. Semiconductor devices with source/drain stress liner
MY193814A (en) * 2017-12-27 2022-10-27 Kao Corp Method for producing aluminum-made platter
US10753882B1 (en) * 2019-04-10 2020-08-25 Griffyn Robotech Private Ltd. Inspection and cosmetic grading through image processing system and method
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
US12479751B2 (en) * 2020-03-31 2025-11-25 Hoya Corporation Method for producing glass plate, and laminate
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
JP5426307B2 (ja) 2014-02-26
US20110171415A1 (en) 2011-07-14
SG194382A1 (en) 2013-11-29
WO2010038741A1 (ja) 2010-04-08
US8785010B2 (en) 2014-07-22
CN103151051A (zh) 2013-06-12
MY204568A (en) 2024-09-04
CN102171756A (zh) 2011-08-31
JP2010108592A (ja) 2010-05-13
JP2010108591A (ja) 2010-05-13
CN103151051B (zh) 2015-12-09
US20140287269A1 (en) 2014-09-25
JP5426306B2 (ja) 2014-02-26
MY158962A (en) 2016-11-30
CN102171756B (zh) 2013-08-07
SG10201506370VA (en) 2015-09-29
US9085486B2 (en) 2015-07-21

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