JPWO2022114060A1 - - Google Patents
Info
- Publication number
- JPWO2022114060A1 JPWO2022114060A1 JP2022565407A JP2022565407A JPWO2022114060A1 JP WO2022114060 A1 JPWO2022114060 A1 JP WO2022114060A1 JP 2022565407 A JP2022565407 A JP 2022565407A JP 2022565407 A JP2022565407 A JP 2022565407A JP WO2022114060 A1 JPWO2022114060 A1 JP WO2022114060A1
- Authority
- JP
- Japan
- 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.)
- Granted
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)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Surface Treatment Of Glass (AREA)
- Laser Beam Processing (AREA)
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 (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2022114060A1 true JPWO2022114060A1 (https=) | 2022-06-02 |
| JPWO2022114060A5 JPWO2022114060A5 (https=) | 2023-11-29 |
| JP7523579B2 JP7523579B2 (ja) | 2024-07-26 |
Family
ID=81754369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022565407A Active JP7523579B2 (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 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US12595202B2 (https=) |
| JP (1) | JP7523579B2 (https=) |
| CN (1) | CN116457313A (https=) |
| WO (1) | WO2022114060A1 (https=) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02241684A (ja) * | 1989-03-13 | 1990-09-26 | Tokai Rika Co Ltd | 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 |
| WO2009050938A1 (ja) * | 2007-10-16 | 2009-04-23 | Mitsuboshi Diamond Industrial Co., Ltd. | 脆性材料基板のｕ字状溝加工方法およびこれを用いた除去加工方法およびくり抜き加工方法および面取り方法 |
| 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 |
| 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 (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP5781845B2 (ja) * | 2011-06-30 | 2015-09-24 | Hoya株式会社 | 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 |
| 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 |
| MY209913A (en) | 2019-07-31 | 2025-08-12 | Hoya Corp | Method for manufacturing annular glass plate, method for manufacturing glass substrate for magnetic disk, method for manufacturing magnetic disk, annular glass plate, glass substrate for magnetic disk, and magnetic disk |
| US12344545B2 (en) | 2019-08-20 | 2025-07-01 | Hoya Corporation | Method for manufacturing glass plate, method for manufacturing magnetic-disk glass substrate, and method for manufacturing magnetic disk |
-
2021
- 2021-11-25 JP JP2022565407A patent/JP7523579B2/ja active Active
- 2021-11-25 WO PCT/JP2021/043198 patent/WO2022114060A1/ja not_active Ceased
- 2021-11-25 US US18/254,369 patent/US12595202B2/en active Active
- 2021-11-25 CN CN202180077140.7A patent/CN116457313A/zh active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02241684A (ja) * | 1989-03-13 | 1990-09-26 | Tokai Rika Co Ltd | 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 |
| WO2009050938A1 (ja) * | 2007-10-16 | 2009-04-23 | Mitsuboshi Diamond Industrial Co., Ltd. | 脆性材料基板のｕ字状溝加工方法およびこれを用いた除去加工方法およびくり抜き加工方法および面取り方法 |
| 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 |
| 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 |
|---|---|
| US20240018031A1 (en) | 2024-01-18 |
| US12595202B2 (en) | 2026-04-07 |
| JP7523579B2 (ja) | 2024-07-26 |
| CN116457313A (zh) | 2023-07-18 |
| WO2022114060A1 (ja) | 2022-06-02 |
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