WO2008078492A1 - 保持治具、記録媒体用ガラス基板の製造方法、記録媒体用ガラス基板及び記録媒体 - Google Patents

保持治具、記録媒体用ガラス基板の製造方法、記録媒体用ガラス基板及び記録媒体 Download PDF

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Publication number
WO2008078492A1
WO2008078492A1 PCT/JP2007/072825 JP2007072825W WO2008078492A1 WO 2008078492 A1 WO2008078492 A1 WO 2008078492A1 JP 2007072825 W JP2007072825 W JP 2007072825W WO 2008078492 A1 WO2008078492 A1 WO 2008078492A1
Authority
WO
WIPO (PCT)
Prior art keywords
recording medium
glass substrate
holding jig
thetav
manufacturing
Prior art date
Application number
PCT/JP2007/072825
Other languages
English (en)
French (fr)
Inventor
Futoshi Ishida
Kenichi Sasaki
Hiroaki Sawada
Original Assignee
Konica Minolta Opto, Inc.
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 Konica Minolta Opto, Inc. filed Critical Konica Minolta Opto, Inc.
Publication of WO2008078492A1 publication Critical patent/WO2008078492A1/ja

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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/8404—Processes or apparatus specially adapted for manufacturing record carriers manufacturing base layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G49/00—Conveying systems characterised by their application for specified purposes not otherwise provided for
    • B65G49/05—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles
    • B65G49/06—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles for fragile sheets, e.g. glass
    • B65G49/062—Easels, stands or shelves, e.g. castor-shelves, supporting means on vehicles
    • 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
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/06—Surface treatment of glass, not in the form of fibres or filaments, by coating with metals
    • C03C17/09—Surface treatment of glass, not in the form of fibres or filaments, by coating with metals by deposition from the vapour 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
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
    • C03C17/38—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal at least one coating being a coating of an organic material
    • 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
    • C03C21/001—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions
    • C03C21/002—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions to perform ion-exchange between alkali ions
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)

Abstract

　ガラス基板に歪みや傷の生じない保持治具、記録媒体用ガラス基板の製造方法、記録媒体用ガラス基板及び記録媒体を提供する。保持冶具は、ガラス基板の外周端部の２カ所が面取り加工されており、該面取り加工後の２つの加工面のなす角度をθ２とした時、支持部材の溝の角度θ１がθ２＜θ１＜１７０°の範囲である。
PCT/JP2007/072825 2006-12-26 2007-11-27 保持治具、記録媒体用ガラス基板の製造方法、記録媒体用ガラス基板及び記録媒体 WO2008078492A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006-348959 2006-12-26
JP2006348959 2006-12-26

Publications (1)

Publication Number Publication Date
WO2008078492A1 true WO2008078492A1 (ja) 2008-07-03

Family

ID=39562285

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/072825 WO2008078492A1 (ja) 2006-12-26 2007-11-27 保持治具、記録媒体用ガラス基板の製造方法、記録媒体用ガラス基板及び記録媒体

Country Status (1)

Country Link
WO (1) WO2008078492A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012216254A (ja) * 2011-03-31 2012-11-08 Konica Minolta Advanced Layers Inc 磁気記録媒体用ガラス基板の回収方法
WO2014112444A1 (ja) * 2013-01-18 2014-07-24 旭硝子株式会社 ガラス板収納体及び化学強化ガラスの製造方法
KR20210027148A (ko) 2019-08-29 2021-03-10 에이지씨 가부시키가이샤 유리 기판의 처리 방법 및 화학 강화 유리 기판

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0660371A (ja) * 1992-08-05 1994-03-04 Hitachi Electron Eng Co Ltd 超音波洗浄装置
JPH06248451A (ja) * 1993-02-24 1994-09-06 Hitachi Ltd 基板保持装置
JP2000149253A (ja) * 1998-11-04 2000-05-30 Fuji Electric Co Ltd 成膜用のディスク基板ホルダ

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0660371A (ja) * 1992-08-05 1994-03-04 Hitachi Electron Eng Co Ltd 超音波洗浄装置
JPH06248451A (ja) * 1993-02-24 1994-09-06 Hitachi Ltd 基板保持装置
JP2000149253A (ja) * 1998-11-04 2000-05-30 Fuji Electric Co Ltd 成膜用のディスク基板ホルダ

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012216254A (ja) * 2011-03-31 2012-11-08 Konica Minolta Advanced Layers Inc 磁気記録媒体用ガラス基板の回収方法
WO2014112444A1 (ja) * 2013-01-18 2014-07-24 旭硝子株式会社 ガラス板収納体及び化学強化ガラスの製造方法
KR20210027148A (ko) 2019-08-29 2021-03-10 에이지씨 가부시키가이샤 유리 기판의 처리 방법 및 화학 강화 유리 기판

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