SG10201506370VA - Glass substrate for a magnetic disk and magnetic disk - Google Patents

Glass substrate for a magnetic disk and magnetic disk

Info

Publication number
SG10201506370VA
SG10201506370VA SG10201506370VA SG10201506370VA SG10201506370VA SG 10201506370V A SG10201506370V A SG 10201506370VA SG 10201506370V A SG10201506370V A SG 10201506370VA SG 10201506370V A SG10201506370V A SG 10201506370VA SG 10201506370V A SG10201506370V A SG 10201506370VA
Authority
SG
Singapore
Prior art keywords
magnetic disk
glass substrate
disk
magnetic
glass
Prior art date
Application number
SG10201506370VA
Other languages
English (en)
Inventor
Shinji Eda
Hideki Isono
Takashi Maeda
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 SG10201506370VA publication Critical patent/SG10201506370VA/en

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/73Base 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
    • G11B5/739Magnetic recording media substrates
    • G11B5/73911Inorganic substrates
    • G11B5/73921Glass or ceramic substrates
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL 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
    • C03C19/00Surface treatment of glass, not in the form of fibres or filaments, by mechanical means
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL 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
    • C03C21/00Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
    • C03C21/008Treatment 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
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL 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
    • C03C23/00Other surface treatment of glass not in the form of fibres or filaments
    • C03C23/0075Cleaning of glass
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL 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
    • C03C23/00Other surface treatment of glass not in the form of fibres or filaments
    • C03C23/009Poling glass
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09GPOLISHING COMPOSITIONS; SKI WAXES
    • C09G1/00Polishing compositions
    • C09G1/02Polishing compositions containing abrasives or grinding agents
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/8404Processes or apparatus specially adapted for manufacturing record carriers manufacturing base layers
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL 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
    • C03C2204/00Glasses, glazes or enamels with special properties
    • C03C2204/08Glass having a rough surface
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/8408Processes or apparatus specially adapted for manufacturing record carriers protecting the magnetic layer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (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)
SG10201506370VA 2008-09-30 2009-09-29 Glass substrate for a magnetic disk and magnetic disk SG10201506370VA (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
SG10201506370VA true SG10201506370VA (en) 2015-09-29

Family

ID=42073502

Family Applications (2)

Application Number Title Priority Date Filing Date
SG10201506370VA SG10201506370VA (en) 2008-09-30 2009-09-29 Glass substrate for a magnetic disk and magnetic disk
SG2013072772A SG194382A1 (en) 2008-09-30 2009-09-29 Glass substrate for a magnetic disk and magnetic disk

Family Applications After (1)

Application Number Title Priority Date Filing Date
SG2013072772A SG194382A1 (en) 2008-09-30 2009-09-29 Glass substrate for a magnetic disk and magnetic disk

Country Status (6)

Country Link
US (2) US8785010B2 (enrdf_load_stackoverflow)
JP (2) JP5426307B2 (enrdf_load_stackoverflow)
CN (2) CN102171756B (enrdf_load_stackoverflow)
MY (3) MY204568A (enrdf_load_stackoverflow)
SG (2) SG10201506370VA (enrdf_load_stackoverflow)
WO (1) WO2010038741A1 (enrdf_load_stackoverflow)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY204568A (en) * 2008-09-30 2024-09-04 Hoya Corp Magnetic disk glass substrate manufacturing method
WO2011121903A1 (ja) * 2010-03-29 2011-10-06 コニカミノルタオプト株式会社 情報記録媒体用ガラス基板の製造方法
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
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
CN104603878B (zh) * 2012-08-29 2016-10-12 Hoya株式会社 磁盘用玻璃基板、磁盘
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
MY169200A (en) 2012-09-28 2019-02-26 Hoya Corp Magnetic-disk glass substrate, magnetic disk and method for manufacturing magnetic-disk glass substrate
WO2014103283A1 (ja) * 2012-12-25 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
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
CN105074823B (zh) * 2013-03-30 2018-10-23 Hoya株式会社 磁盘用玻璃基板的制造方法、磁盘用玻璃基板和磁盘的制造方法
CN104736495B (zh) 2013-07-19 2017-05-24 旭硝子株式会社 化学强化玻璃的制造方法
JP5903531B2 (ja) * 2013-12-26 2016-04-13 Hoya株式会社 磁気ディスク用基板、磁気ディスク、及び磁気ディスクドライブ装置
CN111341353B (zh) * 2015-03-31 2022-03-11 Hoya株式会社 磁盘用基板、磁盘、以及磁盘驱动装置
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
SG11202006025YA (en) * 2017-12-27 2020-07-29 Kao Corp Method for producing aluminum platter
US10753882B1 (en) * 2019-04-10 2020-08-25 Griffyn Robotech Private Ltd. Inspection and cosmetic grading through image processing system and method
JP7411660B2 (ja) 2019-07-31 2024-01-11 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
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

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11258179A (ja) * 1998-03-09 1999-09-24 Mitsubishi Chemical Corp 磁気ディスクの検査方法、製造方法及び検査装置
SG84541A1 (en) * 1998-08-19 2001-11-20 Hoya Corp Glass substrate for magnetic recording medium, magnetic recording medium, and method of manufacturing the same
US6800859B1 (en) * 1998-12-28 2004-10-05 Hitachi, Ltd. Method and equipment for detecting pattern defect
US20010049031A1 (en) * 1999-03-04 2001-12-06 Christopher H. Bajorek Glass substrate for magnetic media and method of making the same
US6617603B2 (en) * 2001-03-06 2003-09-09 Hitachi Electronics Engineering Co., Ltd. Surface defect tester
US20030077983A1 (en) 2001-10-12 2003-04-24 International Business Machines Corporation Cleaning polish etch composition and process for a superfinished surface of a substrate
US7010939B2 (en) * 2002-06-05 2006-03-14 Hoya Corporation Glass substrate for data recording medium and manufacturing method thereof
US7611639B2 (en) * 2002-10-23 2009-11-03 Hoya Corporation Glass substrate for information recording medium and method for manufacturing same
JP2004199846A (ja) * 2002-10-23 2004-07-15 Nippon Sheet Glass Co Ltd 磁気記録媒体用ガラス基板及びその製造方法
JP4795614B2 (ja) 2002-10-23 2011-10-19 Hoya株式会社 情報記録媒体用ガラス基板及びその製造方法
JP3801568B2 (ja) * 2003-02-07 2006-07-26 Hoya株式会社 磁気ディスク用ガラス基板の製造方法及び磁気ディスクの製造方法
US7255943B2 (en) * 2003-05-14 2007-08-14 Hoya Corporation Glass substrate for a magnetic disk, magnetic disk, and methods of producing the glass substrate and the magnetic disk
JP4707311B2 (ja) 2003-08-08 2011-06-22 花王株式会社 磁気ディスク用基板
JP4209316B2 (ja) 2003-12-12 2009-01-14 Hoya株式会社 情報記録媒体用ガラス基板の製造方法
US7891212B2 (en) * 2004-03-25 2011-02-22 Hoya Corporation Magnetic disk glass substrate
EP1586614B1 (en) 2004-04-12 2010-09-15 JSR Corporation Chemical mechanical polishing aqueous dispersion and chemical mechanical polishing method
EP1758962B1 (en) 2004-06-22 2013-10-30 Asahi Glass Company, Limited Polishing method for glass substrate, and glass substrate
JP4347146B2 (ja) 2004-06-28 2009-10-21 Hoya株式会社 磁気ディスク用ガラス基板の製造方法及び磁気ディスクの製造方法
US20060018052A1 (en) * 2004-07-23 2006-01-26 Konica Minolta Opto, Inc. Information recording medium glass substrate, information recording medium, information recording apparatus and manufacturing method of information recording medium glass substrate
JP2006048863A (ja) * 2004-08-06 2006-02-16 Toshiba Corp 磁気記録媒体及び磁気記録再生装置
JP2006095676A (ja) 2004-08-30 2006-04-13 Showa Denko Kk 磁気ディスク用基板および磁気ディスクの製造方法
WO2006025509A1 (en) * 2004-08-30 2006-03-09 Showa Denko K.K. Magnetic disk substrate and production method of magnetic disk
CN1880254A (zh) * 2005-06-03 2006-12-20 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
JP5467705B2 (ja) * 2006-03-24 2014-04-09 Hoya株式会社 磁気ディスク用ガラス基板の製造方法及び磁気ディスクの製造方法
US20070256703A1 (en) * 2006-05-03 2007-11-08 Asahi Glass Company, Limited Method for removing contaminant from surface of glass substrate
JP2008024499A (ja) 2006-07-25 2008-02-07 Kiyoshi Kato カルテの収納位置検出装置
CN101542603B (zh) * 2006-11-22 2011-08-24 柯尼卡美能达精密光学株式会社 信息记录媒体用玻璃基板、信息记录媒体用玻璃基板的制造方法及信息记录媒体
JP4838703B2 (ja) * 2006-12-26 2011-12-14 富士電機株式会社 磁気記録媒体用ディスク基板の製造方法、磁気記録媒体用ディスク基板、磁気記録媒体の製造方法、磁気記録媒体、及び磁気記録装置
US8033008B2 (en) * 2007-01-17 2011-10-11 Hoya Corporation Method for supporting manufacture of a magnetic disk
JP2008204499A (ja) * 2007-02-16 2008-09-04 Konica Minolta Opto Inc 情報記録媒体用ガラス基板及び磁気記録媒体
CN102708877B (zh) * 2007-02-20 2015-07-01 Hoya株式会社 磁盘用基板、磁盘以及磁盘装置
JP2009123269A (ja) * 2007-11-13 2009-06-04 Furukawa Electric Co Ltd:The ガラス基板および磁気ディスク装置
MY204568A (en) * 2008-09-30 2024-09-04 Hoya Corp Magnetic disk glass substrate manufacturing method

Also Published As

Publication number Publication date
CN103151051A (zh) 2013-06-12
JP5426307B2 (ja) 2014-02-26
CN102171756B (zh) 2013-08-07
US8785010B2 (en) 2014-07-22
JP2010108591A (ja) 2010-05-13
SG194382A1 (en) 2013-11-29
JP2010108592A (ja) 2010-05-13
MY204568A (en) 2024-09-04
US9085486B2 (en) 2015-07-21
US20140287269A1 (en) 2014-09-25
US20110171415A1 (en) 2011-07-14
CN102171756A (zh) 2011-08-31
CN103151051B (zh) 2015-12-09
MY158962A (en) 2016-11-30
WO2010038741A1 (ja) 2010-04-08
JP5426306B2 (ja) 2014-02-26
MY186233A (en) 2021-06-30

Similar Documents

Publication Publication Date Title
SG10201506370VA (en) Glass substrate for a magnetic disk and magnetic disk
MY167819A (en) Glass substrate for magnetic disk and manufacturing method of the same
SG136886A1 (en) Method for producing glass substrate for magnetic disk, and magnetic disk
EP2363383A4 (en) TRANSPARENT SUBSTRATE AND METHOD FOR MANUFACTURING THE SAME
GB0800463D0 (en) Magnetic drive systems
GB2477067B (en) Polishing liquid composition for magnetic disk substrate
EP2004446A4 (en) MAGNETIC WHEEL
EP2465828A4 (en) GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE, MAGNETIC RECORDING MEDIUM SUBSTRATE AND METHOD FOR PRODUCING THE SAME, AND MAGNETIC RECORDING MEDIUM
SG10201504278QA (en) Magnetic disk substrate, magnetic disk, and magnetic disk device
EP2066161A4 (en) METHOD FOR MANUFACTURING INCORPORATED COMPONENT SUBSTRATE AND THIS SUBSTRATE
EP2194850A4 (en) Automated sleep phenotyping
EP2197004B8 (en) Magnetic component
AU312027S (en) Platter
TWI346324B (en) Disk drive
EP2069892A4 (en) MAGNETIC DISPLAY FOR WATCHES
PL2093769T3 (pl) Pudełko na dysk optyczny
TWI348687B (en) Disk drive
EP2500916A4 (en) Magnetic member and electronic parts
EP2563105A4 (en) METHOD FOR MANUFACTURING PRINTED SUBSTRATE, AND PRINTED SUBSTRATE USING THE SAME
SG10201506905SA (en) Method for manufacturing glass substrate for magnetic disk and method for manufacturing magnetic disk
EP2330401A4 (en) COATING CASSETTE
GB2437643B (en) Polishing composition for magnetic disk substrate
EP2304454A4 (en) A magnetometer
EP2058817A4 (en) DISK DRIVE
EP2320196A4 (en) Magnetic detector