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 diskInfo
- 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
Links
Classifications
-
- 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
- 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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/073—Shaping the laser spot
- B23K26/0736—Shaping the laser spot into an oval shape, e.g. elliptic shape
-
- 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
- B23K26/3568—Modifying rugosity
- B23K26/3576—Diminishing rugosity, e.g. grinding; Polishing; Smoothing
-
- 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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
- B24B37/07—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool
- B24B37/08—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool for double side lapping
-
- 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
- B24B7/10—Single-purpose machines or devices
- B24B7/16—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings
- B24B7/17—Single-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
-
- 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
- B24B7/242—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 for plate glass
-
- 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
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines 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
- B24B9/06—Machines 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
- B24B9/08—Machines 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
- B24B9/10—Machines 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
-
- 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
- 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/73—Base 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
-
- 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
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/50—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26
- B23K2103/54—Glass
-
- 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
- B23K26/08—Devices involving relative movement between laser beam and workpiece
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)
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)
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 |
-
2019
- 2019-12-02 US US17/297,973 patent/US20220089479A1/en active Pending
- 2019-12-02 SG SG11202103948VA patent/SG11202103948VA/en unknown
- 2019-12-02 CN CN201980077168.3A patent/CN113165940B/en active Active
- 2019-12-02 WO PCT/JP2019/047102 patent/WO2020111282A1/en active Application Filing
- 2019-12-02 JP JP2020557891A patent/JP7227273B2/en active Active
-
2023
- 2023-02-09 JP JP2023018055A patent/JP7387927B2/en active Active
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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