SG11201508855QA - Method for manufacturing magnetic-disk glass substrate, method for manufacturing magnetic disk, and device for polishing edge surface of magnetic-disk glass substrate - Google Patents

Method for manufacturing magnetic-disk glass substrate, method for manufacturing magnetic disk, and device for polishing edge surface of magnetic-disk glass substrate

Info

Publication number
SG11201508855QA
SG11201508855QA SG11201508855QA SG11201508855QA SG11201508855QA SG 11201508855Q A SG11201508855Q A SG 11201508855QA SG 11201508855Q A SG11201508855Q A SG 11201508855QA SG 11201508855Q A SG11201508855Q A SG 11201508855QA SG 11201508855Q A SG11201508855Q A SG 11201508855QA
Authority
SG
Singapore
Prior art keywords
glass substrate
magnetic
disk
disk glass
manufacturing magnetic
Prior art date
Application number
SG11201508855QA
Inventor
Shuhei Azuma
Osamu Koshimizu
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 SG11201508855QA publication Critical patent/SG11201508855QA/en

Links

Classifications

    • 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
    • B24B9/065—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 thin, brittle parts, e.g. semiconductors, wafers
    • 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
    • B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
    • B24B31/10—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work
    • B24B31/112—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work using magnetically consolidated grinding powder, moved relatively to the workpiece under the influence of pressure
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Surface Treatment Of Glass (AREA)
SG11201508855QA 2013-04-30 2014-04-30 Method for manufacturing magnetic-disk glass substrate, method for manufacturing magnetic disk, and device for polishing edge surface of magnetic-disk glass substrate SG11201508855QA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2013096042 2013-04-30
JP2013096043 2013-04-30
PCT/JP2014/062031 WO2014178417A1 (en) 2013-04-30 2014-04-30 Method for manufacturing glass substrate for magnetic disc, magnetic-disc manufacturing method, and apparatus for polishing end surface of glass substrate for magnetic disc

Publications (1)

Publication Number Publication Date
SG11201508855QA true SG11201508855QA (en) 2015-11-27

Family

ID=51843541

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201508855QA SG11201508855QA (en) 2013-04-30 2014-04-30 Method for manufacturing magnetic-disk glass substrate, method for manufacturing magnetic disk, and device for polishing edge surface of magnetic-disk glass substrate

Country Status (5)

Country Link
JP (1) JP6156967B2 (en)
CN (1) CN105164752B (en)
MY (1) MY182141A (en)
SG (1) SG11201508855QA (en)
WO (1) WO2014178417A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6601909B2 (en) * 2015-12-08 2019-11-06 国立大学法人宇都宮大学 Magnetic polishing apparatus and magnetic polishing method
CN110751961B (en) * 2015-12-28 2021-10-26 Hoya株式会社 Annular glass blank and method for producing same, method for producing annular glass substrate, and method for producing glass substrate for magnetic disk
JP6695318B2 (en) * 2017-12-27 2020-05-20 Hoya株式会社 Disk-shaped glass substrate manufacturing method, thin glass substrate manufacturing method, light guide plate manufacturing method, and disk-shaped glass substrate
CN111037370B (en) * 2019-11-29 2021-04-27 上海磐盟电子材料有限公司 Round crystal chamfering process

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61265261A (en) * 1985-05-17 1986-11-25 Fuji Electric Co Ltd Magnetic polishing method for inner surface
JPS6239172A (en) * 1985-08-09 1987-02-20 Kureha Chem Ind Co Ltd Magnetic polishing machine
JP3350403B2 (en) * 1997-06-27 2002-11-25 共栄電工株式会社 Abrasive for magnetic field beam processing
WO2005005099A1 (en) * 2003-07-15 2005-01-20 Hoya Corporation Method and device for manufacturing substrate for magnetic disk, and method of manufacturing magnetic disk
JP2005050501A (en) * 2003-07-15 2005-02-24 Hoya Corp Method and device for manufacturing substrate for magnetic disk, and method of manufacturing magnetic disk
JP2006095643A (en) * 2004-09-29 2006-04-13 Toshiba Corp Magnetic polishing device and magnetic polishing method
JP5029777B1 (en) * 2011-11-22 2012-09-19 旭硝子株式会社 GLASS SUBSTRATE FOR MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING MEDIUM USING THE GLASS SUBSTRATE FOR MAGNETIC RECORDING MEDIUM

Also Published As

Publication number Publication date
CN105164752A (en) 2015-12-16
WO2014178417A1 (en) 2014-11-06
JPWO2014178417A1 (en) 2017-02-23
CN105164752B (en) 2018-09-14
MY182141A (en) 2021-01-18
JP6156967B2 (en) 2017-07-05

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