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SG11202100826TA - Method for manufacturing glass substrate and method for manufacturing magnetic disk - Google Patents

Method for manufacturing glass substrate and method for manufacturing magnetic disk

Info

Publication number
SG11202100826TA
SG11202100826TA SG11202100826TA SG11202100826TA SG11202100826TA SG 11202100826T A SG11202100826T A SG 11202100826TA SG 11202100826T A SG11202100826T A SG 11202100826TA SG 11202100826T A SG11202100826T A SG 11202100826TA SG 11202100826T A SG11202100826T A SG 11202100826TA
Authority
SG
Singapore
Prior art keywords
manufacturing
glass substrate
magnetic disk
manufacturing glass
manufacturing magnetic
Prior art date
Application number
SG11202100826TA
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 SG11202100826TA publication Critical patent/SG11202100826TA/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B33/00Severing cooled glass
    • C03B33/02Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
    • C03B33/04Cutting or splitting in curves, especially for making spectacle lenses
    • 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
    • B23K26/062Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam
    • B23K26/0622Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam by shaping pulses
    • 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
    • B23K26/36Removing material
    • B23K26/38Removing material by boring or cutting
    • B23K26/382Removing material by boring or cutting by boring
    • 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
    • B23K26/50Working by transmitting the laser beam through or within the workpiece
    • B23K26/53Working by transmitting the laser beam through or within the workpiece for modifying or reforming the material inside the workpiece, e.g. for producing break initiation cracks
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B33/00Severing cooled glass
    • C03B33/02Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
    • C03B33/0222Scoring using a focussed radiation beam, e.g. laser
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B33/00Severing cooled glass
    • C03B33/09Severing cooled glass by thermal shock
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B33/00Severing cooled glass
    • C03B33/09Severing cooled glass by thermal shock
    • C03B33/091Severing cooled glass by thermal shock using at least one focussed radiation beam, e.g. laser beam
    • 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
    • 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
    • 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
    • C03C23/007Other surface treatment of glass not in the form of fibres or filaments by thermal treatment
    • 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
    • C03C3/00Glass compositions
    • C03C3/04Glass compositions containing silica
    • C03C3/076Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/083Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
    • C03C3/085Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Optics & Photonics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Plasma & Fusion (AREA)
  • Thermal Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Laser Beam Processing (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
SG11202100826TA 2018-07-27 2019-07-26 Method for manufacturing glass substrate and method for manufacturing magnetic disk SG11202100826TA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/JP2018/028269 WO2020021705A1 (en) 2018-07-27 2018-07-27 Manufacturing method for glass substrate and manufacturing method for magnetic disc
PCT/JP2019/029530 WO2020022510A1 (en) 2018-07-27 2019-07-26 Manufacturing method for glass substrate and manufacturing method for magnetic disc

Publications (1)

Publication Number Publication Date
SG11202100826TA true SG11202100826TA (en) 2021-03-30

Family

ID=69181399

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202100826TA SG11202100826TA (en) 2018-07-27 2019-07-26 Method for manufacturing glass substrate and method for manufacturing magnetic disk

Country Status (5)

Country Link
US (2) US12084376B2 (en)
JP (3) JP6836694B2 (en)
CN (1) CN112512741B (en)
SG (1) SG11202100826TA (en)
WO (2) WO2020021705A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY204661A (en) * 2018-01-31 2024-09-07 Hoya Corp Method for producing glass substrate for magnetic disk
US11270724B1 (en) * 2021-03-04 2022-03-08 Western Digital Technologies, Inc. Glass substrates for heat assisted magnetic recording (HAMR) and methods and apparatus for use with the glass substrates
CN117120385A (en) * 2021-03-31 2023-11-24 豪雅株式会社 Method for manufacturing annular glass substrate, and method for manufacturing glass substrate for magnetic disk
JP2024123284A (en) * 2021-07-05 2024-09-11 Hoya株式会社 Glass substrate manufacturing method and disk-shaped glass substrate

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2785906B2 (en) * 1994-02-14 1998-08-13 日本板硝子株式会社 Glass plate cutting method
US6829910B1 (en) * 2000-04-25 2004-12-14 Asahi Glass Company, Ltd. Removal of enclosed glass parts after cutting using heating and cooling techniques
JP4786783B2 (en) 2000-08-18 2011-10-05 日本板硝子株式会社 Method for cutting glass plate and glass disk for recording medium
JP4225375B2 (en) * 2002-03-01 2009-02-18 Hoya株式会社 Manufacturing method of glass substrate
JP5126351B2 (en) * 2009-12-25 2013-01-23 旭硝子株式会社 Disk-shaped glass substrate and method for manufacturing disk-shaped glass substrate
JP2014534939A (en) * 2011-09-21 2014-12-25 レイディアンス,インコーポレイテッド System and process for cutting material
WO2014051152A1 (en) 2012-09-28 2014-04-03 Hoya株式会社 Glass substrate for magnetic disk, and magnetic disk
JP6140047B2 (en) * 2013-09-30 2017-05-31 Hoya株式会社 Manufacturing method of glass substrate for magnetic disk
US10017410B2 (en) 2013-10-25 2018-07-10 Rofin-Sinar Technologies Llc Method of fabricating a glass magnetic hard drive disk platter using filamentation by burst ultrafast laser pulses
US11053156B2 (en) 2013-11-19 2021-07-06 Rofin-Sinar Technologies Llc Method of closed form release for brittle materials using burst ultrafast laser pulses
CN106132627B (en) * 2015-01-13 2018-09-07 罗芬-新纳技术有限责任公司 For carrying out scribing and the then method and system of progress chemical etching to fragile material
CN107922237B (en) * 2015-03-24 2022-04-01 康宁股份有限公司 Laser cutting and processing of display glass compositions
JP6654813B2 (en) 2015-06-02 2020-02-26 川崎重工業株式会社 Chamfering apparatus and chamfering method
DE102015111490A1 (en) 2015-07-15 2017-01-19 Schott Ag Method and device for laser-assisted separation of a section from a flat glass element
WO2017115871A1 (en) * 2015-12-28 2017-07-06 Hoya株式会社 Annular glass blank, method for manufacturing annular glass blank, method for manufacturing annular glass substrate, and method for manufacturing glass substrate for magnetic disc
KR20220078719A (en) * 2016-05-06 2022-06-10 코닝 인코포레이티드 Laser cutting and removal of contoured shapes from transparent substrates
JP2021516159A (en) 2019-02-12 2021-07-01 ハンズ レーザー テクノロジー インダストリー グループ カンパニー リミテッド Processing methods, equipment and systems for hard and brittle material products

Also Published As

Publication number Publication date
CN112512741B (en) 2023-08-11
JP7458335B2 (en) 2024-03-29
JP6836694B2 (en) 2021-03-03
JP2024079731A (en) 2024-06-11
US20210230042A1 (en) 2021-07-29
WO2020021705A1 (en) 2020-01-30
JP2021075459A (en) 2021-05-20
CN112512741A (en) 2021-03-16
US12084376B2 (en) 2024-09-10
JPWO2020022510A1 (en) 2021-03-11
US20240425403A1 (en) 2024-12-26
WO2020022510A1 (en) 2020-01-30

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