SG11202103948VA - Method for manufacturing glass plate, method for chamfering glass plate, and method for manufacturing magnetic disk - Google Patents

Method for manufacturing glass plate, method for chamfering glass plate, and method for manufacturing magnetic disk

Info

Publication number
SG11202103948VA
SG11202103948VA SG11202103948VA SG11202103948VA SG11202103948VA SG 11202103948V A SG11202103948V A SG 11202103948VA SG 11202103948V A SG11202103948V A SG 11202103948VA SG 11202103948V A SG11202103948V A SG 11202103948VA SG 11202103948V A SG11202103948V A SG 11202103948VA
Authority
SG
Singapore
Prior art keywords
glass plate
manufacturing
magnetic disk
chamfering
manufacturing magnetic
Prior art date
Application number
SG11202103948VA
Inventor
Shuhei Azuma
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 SG11202103948VA publication Critical patent/SG11202103948VA/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/352Working by laser beam, e.g. welding, cutting or boring for surface treatment
    • B23K26/354Working by laser beam, e.g. welding, cutting or boring for surface treatment by melting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/0006Working by laser beam, e.g. welding, cutting or boring taking account of the properties of the material involved
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/073Shaping the laser spot
    • B23K26/0736Shaping the laser spot into an oval shape, e.g. elliptic shape
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/352Working by laser beam, e.g. welding, cutting or boring for surface treatment
    • B23K26/3568Modifying rugosity
    • B23K26/3576Diminishing rugosity, e.g. grinding; Polishing; Smoothing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B37/00Lapping machines or devices; Accessories
    • B24B37/04Lapping machines or devices; Accessories designed for working plane surfaces
    • B24B37/07Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool
    • B24B37/08Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool for double side lapping
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10Single-purpose machines or devices
    • B24B7/16Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings
    • B24B7/17Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings for simultaneously grinding opposite and parallel end faces, e.g. double disc grinders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/20Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
    • B24B7/22Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
    • B24B7/24Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain for grinding or polishing glass
    • B24B7/242Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain for grinding or polishing glass for plate glass
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/06Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
    • B24B9/08Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
    • B24B9/10Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of plate glass
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B29/00Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins
    • C03B29/02Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins in a discontinuous way
    • 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
    • C03C23/0005Other surface treatment of glass not in the form of fibres or filaments by irradiation
    • C03C23/0025Other surface treatment of glass not in the form of fibres or filaments by irradiation by a laser beam
    • 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
    • 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00Materials to be soldered, welded or cut
    • B23K2103/50Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26
    • B23K2103/54Glass
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08Devices involving relative movement between laser beam and workpiece
SG11202103948VA 2018-11-30 2019-12-02 Method for manufacturing glass plate, method for chamfering glass plate, and method for manufacturing magnetic disk SG11202103948VA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018225568 2018-11-30
PCT/JP2019/047102 WO2020111282A1 (en) 2018-11-30 2019-12-02 Method for manufacturing glass plate, method for chamfering glass plate, and method for manufacturing magnetic disk

Publications (1)

Publication Number Publication Date
SG11202103948VA true SG11202103948VA (en) 2021-05-28

Family

ID=70853327

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202103948VA SG11202103948VA (en) 2018-11-30 2019-12-02 Method for manufacturing glass plate, method for chamfering glass plate, and method for manufacturing magnetic disk

Country Status (5)

Country Link
US (1) US20220089479A1 (en)
JP (2) JP7227273B2 (en)
CN (1) CN113165940B (en)
SG (1) SG11202103948VA (en)
WO (1) WO2020111282A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6783401B2 (en) * 2018-01-31 2020-11-11 Hoya株式会社 Manufacturing method of disk-shaped glass base plate and manufacturing method of glass substrate for magnetic disk
US20220089479A1 (en) * 2018-11-30 2022-03-24 Hoya Corporation Method for manufacturing glass plate, method for chamfering glass plate, and method for manufacturing magnetic disk
CN116457313A (en) * 2020-11-25 2023-07-18 豪雅株式会社 Method for producing glass plate, method for producing glass substrate for magnetic disk, method for producing magnetic disk, and annular glass plate
WO2022196314A1 (en) * 2021-03-19 2022-09-22 株式会社Uacj Magnetic disk drive and method for manufacturing magnetic disk drive
KR102652560B1 (en) * 2021-12-08 2024-03-29 (주)하나기술 Side processing method of ultra-thin glass using laser and processed ultra-thin glass

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3516233B2 (en) * 2000-11-06 2004-04-05 日本板硝子株式会社 Manufacturing method of glass substrate for information recording medium
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
JP5245819B2 (en) * 2006-02-15 2013-07-24 旭硝子株式会社 Method and apparatus for chamfering glass substrate
WO2008103239A1 (en) * 2007-02-23 2008-08-28 Corning Incorporated Thermal edge finishing
US20120247155A1 (en) * 2011-03-30 2012-10-04 Hoya Corporation Method of manufacturing glass blank for magnetic recording medium glass substrate, method of manufacturing magnetic recording medium glass substrate, method of manufacturing magnetic recording medium, and apparatus for manufacturing glass blank for magnetic recording medium glass substrate
JP5335983B2 (en) * 2011-10-05 2013-11-06 Hoya株式会社 Glass substrate for magnetic disk and magnetic recording medium
JP6379392B2 (en) * 2013-05-28 2018-08-29 Agc株式会社 Glass substrate cutting method and glass substrate manufacturing method
RU2543222C1 (en) * 2013-08-23 2015-02-27 Общество С Ограниченной Ответственностью "Ласком" Dulling procedure for sharp edges of glassware
JP2015076115A (en) * 2013-10-11 2015-04-20 旭硝子株式会社 Disk-shaped glass substrate for magnetic recording medium, and manufacturing method of disk-shaped glass substrate for magnetic recording medium
CN107922259B (en) * 2015-09-04 2021-05-07 Agc株式会社 Method for producing glass plate, method for producing glass article, and apparatus for producing glass article
SG10201912471WA (en) * 2015-12-28 2020-02-27 Hoya Corp Annular glass blank, method for manufacturing annular glass blank, method for manufacturing annular glass substrate, and method for manufacturing magnetic-disk glass substrate
JP6650113B2 (en) * 2016-04-28 2020-02-19 日本電気硝子株式会社 Circular glass plate and manufacturing method thereof
JP6828468B2 (en) * 2017-01-30 2021-02-10 日本電気硝子株式会社 Flat glass manufacturing method and manufacturing equipment
US20220089479A1 (en) * 2018-11-30 2022-03-24 Hoya Corporation Method for manufacturing glass plate, method for chamfering glass plate, and method for manufacturing magnetic disk
WO2020262702A1 (en) * 2019-06-28 2020-12-30 Hoya株式会社 Method for manufacturing glass plate and method for manufacturing magnetic disk

Also Published As

Publication number Publication date
CN113165940B (en) 2024-02-20
US20220089479A1 (en) 2022-03-24
JPWO2020111282A1 (en) 2021-11-04
CN113165940A (en) 2021-07-23
JP2023065423A (en) 2023-05-12
JP7387927B2 (en) 2023-11-28
JP7227273B2 (en) 2023-02-21
WO2020111282A1 (en) 2020-06-04

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