CN116457313A - 玻璃板的制造方法、磁盘用玻璃基板的制造方法、磁盘的制造方法以及圆环形状的玻璃板 - Google Patents

玻璃板的制造方法、磁盘用玻璃基板的制造方法、磁盘的制造方法以及圆环形状的玻璃板 Download PDF

Info

Publication number
CN116457313A
CN116457313A CN202180077140.7A CN202180077140A CN116457313A CN 116457313 A CN116457313 A CN 116457313A CN 202180077140 A CN202180077140 A CN 202180077140A CN 116457313 A CN116457313 A CN 116457313A
Authority
CN
China
Prior art keywords
glass
glass plate
main surface
magnetic disk
blank
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN202180077140.7A
Other languages
English (en)
Chinese (zh)
Inventor
东修平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hoya Corp
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 CN116457313A publication Critical patent/CN116457313A/zh
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B33/00—Severing cooled glass
    • C03B33/08—Severing cooled glass by fusing, i.e. by melting through the glass
    • C03B33/082—Severing cooled glass by fusing, i.e. by melting through the glass using a focussed radiation beam, e.g. laser
    • 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
    • B23K26/0006—Working by laser beam, e.g. welding, cutting or boring taking account of the properties of the material involved
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/20—Machines 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
    • B24B7/22—Machines 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
    • B24B7/24—Machines 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
    • B24B7/241—Methods
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B21/00—Severing glass sheets, tubes or rods while still plastic
    • C03B21/06—Severing glass sheets, tubes or rods while still plastic by flashing-off, burning-off or fusing
    • 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
    • C03B29/02—Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins in a discontinuous way
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B33/00—Severing cooled glass
    • C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
    • C03B33/0222—Scoring using a focussed radiation beam, e.g. laser
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B33/00—Severing cooled glass
    • C03B33/09—Severing cooled glass by thermal shock
    • C03B33/091—Severing cooled glass by thermal shock using at least one focussed radiation beam, e.g. laser beam
    • 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
    • C03C17/001—General methods for coating; Devices therefor
    • C03C17/002—General methods for coating; Devices therefor for flat glass, e.g. float glass
    • 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
    • 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
    • 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
    • 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
    • C03C2218/00—Methods for coating glass
    • C03C2218/30—Aspects of methods for coating glass not covered above
    • C03C2218/31—Pre-treatment

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • Inorganic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Laser Beam Processing (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Surface Treatment Of Glass (AREA)
CN202180077140.7A 2020-11-25 2021-11-25 玻璃板的制造方法、磁盘用玻璃基板的制造方法、磁盘的制造方法以及圆环形状的玻璃板 Pending CN116457313A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
VN1202006805 2020-11-25
VN1-2020-06805 2020-11-25
PCT/JP2021/043198 WO2022114060A1 (ja) 2020-11-25 2021-11-25 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、及び円環形状のガラス板

Publications (1)

Publication Number Publication Date
CN116457313A true CN116457313A (zh) 2023-07-18

Family

ID=81754369

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202180077140.7A Pending CN116457313A (zh) 2020-11-25 2021-11-25 玻璃板的制造方法、磁盘用玻璃基板的制造方法、磁盘的制造方法以及圆环形状的玻璃板

Country Status (4)

Country Link
US (1) US12595202B2 (https=)
JP (1) JP7523579B2 (https=)
CN (1) CN116457313A (https=)
WO (1) WO2022114060A1 (https=)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013016214A (ja) * 2011-06-30 2013-01-24 Konica Minolta Advanced Layers Inc Ｈｄｄ用ガラス基板、ｈｄｄ用ガラス基板の製造方法、及びｈｄｄ用磁気記録媒体
WO2020111282A1 (ja) * 2018-11-30 2020-06-04 Hoya株式会社 ガラス板の製造方法、ガラス板の面取り方法、および磁気ディスクの製造方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2612332B2 (ja) 1989-03-13 1997-05-21 株式会社東海理化電機製作所 ガラス部材の面取り方法
JP2003160348A (ja) 2001-11-21 2003-06-03 Nippon Sheet Glass Co Ltd 情報記録媒体用ガラス基板及びその製造方法
JP2004035333A (ja) 2002-07-04 2004-02-05 National Institute Of Advanced Industrial & Technology ガラス材料の加工方法
JP2010519164A (ja) 2007-02-23 2010-06-03 コーニング インコーポレイテッド 熱的エッジ仕上げ
US20100320179A1 (en) 2007-10-16 2010-12-23 Hideki Morita Method for Creating Trench in U Shape in Brittle Material Substrate, Method for Removing Process, Method for Hollowing Process and Chamfering Method Using Same
JP2013206517A (ja) 2012-03-29 2013-10-07 Konica Minolta Inc 情報記録媒体用ガラス基板の製造方法
CN113924276B (zh) * 2019-06-28 2024-10-01 Hoya株式会社 玻璃板的制造方法和磁盘的制造方法
WO2021020587A1 (ja) 2019-07-31 2021-02-04 Hoya株式会社 円環形状の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、円環形状のガラス板、磁気ディスク用ガラス基板、及び磁気ディスク
MY209556A (en) 2019-08-20 2025-07-20 Hoya Corp Method for producing glass plate, method for producing glass substrate for magnetic disk, and method for producing magnetic disk

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013016214A (ja) * 2011-06-30 2013-01-24 Konica Minolta Advanced Layers Inc Ｈｄｄ用ガラス基板、ｈｄｄ用ガラス基板の製造方法、及びｈｄｄ用磁気記録媒体
WO2020111282A1 (ja) * 2018-11-30 2020-06-04 Hoya株式会社 ガラス板の製造方法、ガラス板の面取り方法、および磁気ディスクの製造方法

Also Published As

Publication number Publication date
JP7523579B2 (ja) 2024-07-26
WO2022114060A1 (ja) 2022-06-02
JPWO2022114060A1 (https=) 2022-06-02
US20240018031A1 (en) 2024-01-18
US12595202B2 (en) 2026-04-07

Similar Documents

Publication Publication Date Title
JP7311702B2 (ja) ガラス板および磁気ディスク
JP7227273B2 (ja) ガラス板の製造方法、ガラス板の面取り方法、および磁気ディスクの製造方法
CN114175156B (zh) 圆环形状的玻璃板的制造方法、磁盘用玻璃基板的制造方法、磁盘的制造方法、圆环形状的玻璃板、磁盘用玻璃基板以及磁盘
CN111630009B (zh) 圆盘形状的玻璃坯板及磁盘用玻璃基板的制造方法
JP7458335B2 (ja) ガラス基板の製造方法及び磁気ディスクの製造方法
CN114269699B (zh) 玻璃板的制造方法、磁盘用玻璃基板的制造方法和磁盘的制造方法
US12595202B2 (en) Method for manufacturing glass plate including processing for chamfering edge surface
US20240327280A1 (en) Manufacturing method for glass substrate and disc-shaped glass substrate
JP7458511B2 (ja) 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
US20250391437A1 (en) Disk-shaped glass substrate manufacturing method, glass substrate manufacturing method, magnetic-disk glass substrate manufacturing method, and glass substrate

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination