JP7458511B2 - 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、およびガラス板の処理装置 - Google Patents

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、およびガラス板の処理装置 Download PDF

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JP7458511B2
JP7458511B2 JP2022578529A JP2022578529A JP7458511B2 JP 7458511 B2 JP7458511 B2 JP 7458511B2 JP 2022578529 A JP2022578529 A JP 2022578529A JP 2022578529 A JP2022578529 A JP 2022578529A JP 7458511 B2 JP7458511 B2 JP 7458511B2
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Prior art keywords
glass plate
glass
manufacturing
inner peripheral
peripheral end
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Japanese (ja)
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JPWO2022163841A1 (https=
JPWO2022163841A5 (https=
Inventor
修平 東
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Hoya Corp
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Hoya Corp
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    • 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
    • C03C23/0005—Other surface treatment of glass not in the form of fibres or filaments by irradiation
    • C03C23/0025—Other surface treatment of glass not in the form of fibres or filaments by irradiation by a laser beam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/352—Working by laser beam, e.g. welding, cutting or boring for surface treatment
    • B23K26/354—Working by laser beam, e.g. welding, cutting or boring for surface treatment by melting
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B29/00—Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins
    • C03B29/04—Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins in a continuous way
    • C03B29/06—Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins in a continuous way with horizontal displacement of the products
    • C03B29/08—Glass sheets
    • 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
    • C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching
    • C03C15/02—Surface treatment of glass, not in the form of fibres or filaments, by etching for making a smooth 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
    • G11B5/62—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
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/50—Inorganic materials other than metals or composite materials
    • B23K2103/54—Glass

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Optics & Photonics (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Laser Beam Processing (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
JP2022578529A 2021-01-28 2022-01-28 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、およびガラス板の処理装置 Active JP7458511B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
VN1-2021-00461 2021-01-28
VN1202100461 2021-01-28
PCT/JP2022/003442 WO2022163841A1 (ja) 2021-01-28 2022-01-28 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、およびガラス板の処理装置

Publications (3)

Publication Number Publication Date
JPWO2022163841A1 JPWO2022163841A1 (https=) 2022-08-04
JPWO2022163841A5 JPWO2022163841A5 (https=) 2024-01-31
JP7458511B2 true JP7458511B2 (ja) 2024-03-29

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JP2022578529A Active JP7458511B2 (ja) 2021-01-28 2022-01-28 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、およびガラス板の処理装置

Country Status (4)

Country Link
US (1) US20240101473A1 (https=)
JP (1) JP7458511B2 (https=)
CN (1) CN116745244B (https=)
WO (1) WO2022163841A1 (https=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002150546A (ja) 2000-11-06 2002-05-24 Nippon Sheet Glass Co Ltd 情報記録媒体用ガラス基板の製造方法、及び該製造方法により製造された情報記録媒体用ガラス基板、並びに情報記録媒体
WO2014051127A1 (ja) 2012-09-28 2014-04-03 Hoya株式会社 磁気ディスク用ガラス基板の製造方法
JP2018519229A (ja) 2015-03-24 2018-07-19 コーニング インコーポレイテッド ディスプレイガラス組成物のレーザ切断及び加工
WO2020262702A1 (ja) 2019-06-28 2020-12-30 Hoya株式会社 ガラス板の製造方法および磁気ディスクの製造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6521862B1 (en) * 2001-10-09 2003-02-18 International Business Machines Corporation Apparatus and method for improving chamfer quality of disk edge surfaces with laser treatment
US10357850B2 (en) * 2012-09-24 2019-07-23 Electro Scientific Industries, Inc. Method and apparatus for machining a workpiece
EP3083514B1 (en) * 2013-12-17 2019-03-06 Corning Incorporated 3-d forming of glass and associated product
EP3186030B1 (en) * 2014-08-28 2023-02-22 IPG Photonics Corporation Multi-laser system and method for cutting and post-cut processing hard dielectric materials
JP6783401B2 (ja) * 2018-01-31 2020-11-11 Hoya株式会社 円盤形状のガラス素板の製造方法、及び磁気ディスク用ガラス基板の製造方法
MY205265A (en) * 2018-11-30 2024-10-10 Hoya Corp Method for manufacturing glass plate, method for chamfering glass plate, and method for manufacturing magnetic disk
JP2020193124A (ja) * 2019-05-29 2020-12-03 三星ダイヤモンド工業株式会社 ガラス板に対する穴開け加工方法及び装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002150546A (ja) 2000-11-06 2002-05-24 Nippon Sheet Glass Co Ltd 情報記録媒体用ガラス基板の製造方法、及び該製造方法により製造された情報記録媒体用ガラス基板、並びに情報記録媒体
WO2014051127A1 (ja) 2012-09-28 2014-04-03 Hoya株式会社 磁気ディスク用ガラス基板の製造方法
JP2018519229A (ja) 2015-03-24 2018-07-19 コーニング インコーポレイテッド ディスプレイガラス組成物のレーザ切断及び加工
WO2020262702A1 (ja) 2019-06-28 2020-12-30 Hoya株式会社 ガラス板の製造方法および磁気ディスクの製造方法

Also Published As

Publication number Publication date
WO2022163841A1 (ja) 2022-08-04
CN116745244B (zh) 2025-05-06
US20240101473A1 (en) 2024-03-28
JPWO2022163841A1 (https=) 2022-08-04
CN116745244A (zh) 2023-09-12

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