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
Other languages
English (en)
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)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (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 (ja) 2018-07-27 2018-07-27 ガラス基板の製造方法及び磁気ディスクの製造方法
PCT/JP2019/029530 WO2020022510A1 (ja) 2018-07-27 2019-07-26 ガラス基板の製造方法及び磁気ディスクの製造方法

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 (6)

Country Link
US (2) US12084376B2 (enrdf_load_stackoverflow)
JP (3) JP6836694B2 (enrdf_load_stackoverflow)
CN (1) CN112512741B (enrdf_load_stackoverflow)
MY (1) MY207144A (enrdf_load_stackoverflow)
SG (1) SG11202100826TA (enrdf_load_stackoverflow)
WO (2) WO2020021705A1 (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019151185A1 (ja) * 2018-01-31 2019-08-08 Hoya株式会社 磁気ディスク用ガラス基板の製造方法
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
JP7441377B2 (ja) * 2021-03-31 2024-02-29 Hoya株式会社 ガラス基板の製造方法、ガラス基板、及び磁気ディスク用ガラス基板の製造方法
JP2024123284A (ja) * 2021-07-05 2024-09-11 Hoya株式会社 ガラス基板の製造方法及び円盤状ガラス基板

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2785906B2 (ja) * 1994-02-14 1998-08-13 日本板硝子株式会社 ガラス板の切断方法
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 (ja) 2000-08-18 2011-10-05 日本板硝子株式会社 ガラス板の切断方法及び記録媒体用ガラス円盤
JP4225375B2 (ja) * 2002-03-01 2009-02-18 Hoya株式会社 ガラス基板の製造方法
JP5126351B2 (ja) 2009-12-25 2013-01-23 旭硝子株式会社 円盤状ガラス基板及び円盤状ガラス基板の製造方法
WO2013043173A1 (en) * 2011-09-21 2013-03-28 Raydiance, Inc. Systems and processes that singulate materials
WO2014051152A1 (ja) * 2012-09-28 2014-04-03 Hoya株式会社 磁気ディスク用ガラス基板、磁気ディスク
JP6140047B2 (ja) * 2013-09-30 2017-05-31 Hoya株式会社 磁気ディスク用ガラス基板の製造方法
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
WO2016114934A1 (en) * 2015-01-13 2016-07-21 Rofin-Sinar Technologies Inc. Method and system for scribing brittle material followed by chemical etching
EP3274306B1 (en) * 2015-03-24 2021-04-14 Corning Incorporated Laser cutting and processing of display glass compositions
JP6654813B2 (ja) 2015-06-02 2020-02-26 川崎重工業株式会社 面取り加工装置および面取り加工方法
DE102015111490A1 (de) 2015-07-15 2017-01-19 Schott Ag Verfahren und Vorrichtung zum lasergestützten Abtrennen eines Teilstücks von einem flächigen Glaselement
JP6385595B2 (ja) 2015-12-28 2018-09-05 Hoya株式会社 円環状のガラス素板、円環状のガラス素板の製造方法、円環状のガラス基板の製造方法、及び磁気ディスク用ガラス基板の製造方法
CN109311725B (zh) * 2016-05-06 2022-04-26 康宁股份有限公司 从透明基材激光切割及移除轮廓形状
JP2021516159A (ja) 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 硬脆材料製品の加工方法、装置及びシステム

Also Published As

Publication number Publication date
JP2024079731A (ja) 2024-06-11
JP2021075459A (ja) 2021-05-20
JP7727036B2 (ja) 2025-08-20
CN112512741A (zh) 2021-03-16
MY207144A (en) 2025-01-31
US12084376B2 (en) 2024-09-10
WO2020022510A1 (ja) 2020-01-30
JPWO2020022510A1 (ja) 2021-03-11
JP7458335B2 (ja) 2024-03-29
US20240425403A1 (en) 2024-12-26
US20210230042A1 (en) 2021-07-29
CN112512741B (zh) 2023-08-11
JP6836694B2 (ja) 2021-03-03
WO2020021705A1 (ja) 2020-01-30

Similar Documents

Publication Publication Date Title
SG11202006455TA (en) Method for producing glass substrate for magnetic disk
SG11202103948VA (en) Method for manufacturing glass plate, method for chamfering glass plate, and method for manufacturing magnetic disk
SG11202100827XA (en) Substrate for magnetic disk and magnetic disk
SG11202100826TA (en) Method for manufacturing glass substrate and method for manufacturing magnetic disk
EP3647299A4 (en) MULTI-LAYER CERAMIC SUBSTRATE AND METHOD FOR MANUFACTURING THEREOF
SG11201501455YA (en) Magnetic-disk glass substrate, magnetic disk and method for manufacturing magnetic-disk glass substrate
SG11201509991QA (en) Method for manufacturing a glass substrate, method for manufacturing a magnetic disk, and polishing liquid composition for a glass substrate
SG11201709624VA (en) Magnetic-disk glass substrate, magnetic-disk glass substrate intermediate, and method for manufacturing magnetic-disk glass substrate
EP3608956A4 (en) INTEGRATED SUBSTRATE AND MANUFACTURING METHOD THEREOF
SG11201702803SA (en) Method for manufacturing magnetic-disk substrate and method for manufacturing magnetic disk
SG10202111088SA (en) Non-magnetic substrate for magnetic disk, and magnetic disk
SG11201602378XA (en) Method for manufacturing glass substrate and method formanufacturing magnetic disk
SG10202006113YA (en) Grinding tool, method for manufacturing glass substrate, method for manufacturing magnetic-disk glass substrate, and method for manufacturing magnetic disk
SG11202001636RA (en) Polishing liquid, method for manufacturing glass substrate, and method for manufacturing magnetic disk
SG11202001970RA (en) Spacer, laminate of substrates, method for manufacturing substrate, and method for manufacturing substrate for magnetic disk
EP3587371A4 (en) LAMINATED GLASS AND METHOD FOR PRODUCING LAMINATED GLASS
SG10201912471WA (en) Annular glass blank, method for manufacturing annular glass blank, method for manufacturing annular glass substrate, and method for manufacturing magnetic-disk glass substrate
SG10201604120PA (en) Glass for magnetic recording medium substrate, magnetic recording medium substrate, and magnetic recording medium
SG11201508855QA (en) Method for manufacturing magnetic-disk glass substrate, method for manufacturing magnetic disk, and device for polishing edge surface of magnetic-disk glass substrate
SG11201507852XA (en) Method for manufacturing magnetic-disk glass substrate, method for manufacturing magnetic disk, and polishing pad
SG11201705386YA (en) Magnetic-disk substrate, magnetic disk, and method for manufacturing magnetic-disk substrate
EP4071126A4 (en) BONDED SUBSTRATE AND METHOD FOR MANUFACTURING A BONDED SUBSTRATE
EP3998245A4 (en) GLASS SUBSTRATE AND METHOD OF MANUFACTURING THEREOF
EP3644120A4 (en) PHOTOMASK STRUCTURE AND METHOD FOR MANUFACTURING AN ARRAY SUBSTRATE
SG11201405080XA (en) Method for manufacturing magnetic-disk glass substrate and method for manufacturing magnetic disk