MY168097A - Method for manufacturing magnetic-disk glass substrate, magnetic-disk glass substrate, and method for manufacturing magnetic disk - Google Patents

Method for manufacturing magnetic-disk glass substrate, magnetic-disk glass substrate, and method for manufacturing magnetic disk

Info

Publication number
MY168097A
MY168097A MYPI2015703134A MYPI2015703134A MY168097A MY 168097 A MY168097 A MY 168097A MY PI2015703134 A MYPI2015703134 A MY PI2015703134A MY PI2015703134 A MYPI2015703134 A MY PI2015703134A MY 168097 A MY168097 A MY 168097A
Authority
MY
Malaysia
Prior art keywords
glass substrate
magnetic
disk
polishing
manufacturing
Prior art date
Application number
MYPI2015703134A
Inventor
Osakabe Kinobu
Tokumitsu Shuzo
YAMASHIRO Yuji
Takeuchi Ryotaro
Original Assignee
Hoya Corp
Hoya Glass Disk Vietnam Ii Ltd
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, Hoya Glass Disk Vietnam Ii Ltd filed Critical Hoya Corp
Publication of MY168097A publication Critical patent/MY168097A/en

Links

Classifications

    • 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)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

THE PRESENT INVENTION PROVIDES A METHOD FOR MANUFACTURING A MAGNETIC-DISK GLASS SUBSTRATE THAT IS CAPABLE OF ACHIEVING A REDUCTION IN FOREIGN MAILER DEFECTS THAT CAN CAUSE HEAD CRASH EVEN IN THE CASE WHERE A HDI SENSOR IS USED. THE PRESENT INVENTION INCLUDES POLISHING PROCESSING FOR BRINGING A POLISHING LIQUID CONTAINING COLLOIDAL SILICA AND A POLISHING PAD INTO CONTACT WITH A SURFACE OF A GLASS SUBSTRATE, AND MIRROR-POLISHING THE GLASS SUBSTRATE SURFACE. A POLISHING LIQUID THAT DOES NOT CONTAIN FOREIGN MATTER CONTAINING ELEMENTS OF AL, SI, AND 0 THAT CAN INHIBIT RECORDING OR REPRODUCTION WHEN THE GLASS SUBSTRATE IS MADE INTO A MAGNETIC DISK AND UNDERGOES RECORDING OR REPRODUCTION WITH A MAGNETIC HEAD IS SELECTED AS THE POLISHING LIQUID, AND THE POLISHING PROCESSING IS PERFORMED USING THIS POLISHING LIQUID.
MYPI2015703134A 2013-03-30 2014-03-31 Method for manufacturing magnetic-disk glass substrate, magnetic-disk glass substrate, and method for manufacturing magnetic disk MY168097A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2013075485 2013-03-30

Publications (1)

Publication Number Publication Date
MY168097A true MY168097A (en) 2018-10-11

Family

ID=51658356

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2015703134A MY168097A (en) 2013-03-30 2014-03-31 Method for manufacturing magnetic-disk glass substrate, magnetic-disk glass substrate, and method for manufacturing magnetic disk

Country Status (5)

Country Link
JP (1) JP6298448B2 (en)
CN (1) CN105074823B (en)
MY (1) MY168097A (en)
SG (1) SG11201507851UA (en)
WO (1) WO2014163061A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY181185A (en) * 2014-10-14 2020-12-21 Hoya Corp Method for manufacturing magnetic-disk substrate, method for manufacturing magnetic-disk, filtering apparatus, and method for providing polishing liquid
CN111566735B (en) * 2017-12-27 2022-06-03 花王株式会社 Method for manufacturing aluminum magnetic disk

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008094641A (en) * 2006-10-06 2008-04-24 Ohara Inc Method for producing substrate
SG194382A1 (en) * 2008-09-30 2013-11-29 Hoya Corp Glass substrate for a magnetic disk and magnetic disk
WO2012036087A1 (en) * 2010-09-15 2012-03-22 旭硝子株式会社 Polishing agent and polishing method
WO2012043704A1 (en) * 2010-09-30 2012-04-05 Hoya株式会社 Method of manufacturing glass blank for magnetic recording medium glass substrate, magnetic recording medium glass substrate manufacturing method, magnetic recording medium manufacturing method, and device for manufacturing glass blank for magnetic recording medium glass substrate
JP2012155785A (en) * 2011-01-25 2012-08-16 Showa Denko Kk Method for manufacturing substrate for magnetic recording medium
JP5979872B2 (en) * 2011-01-31 2016-08-31 花王株式会社 Manufacturing method of magnetic disk substrate
JP6126790B2 (en) * 2011-03-31 2017-05-10 Hoya株式会社 Manufacturing method of glass substrate for magnetic disk and manufacturing method of magnetic disk

Also Published As

Publication number Publication date
JP6298448B2 (en) 2018-03-20
SG11201507851UA (en) 2015-10-29
JPWO2014163061A1 (en) 2017-02-16
CN105074823B (en) 2018-10-23
CN105074823A (en) 2015-11-18
WO2014163061A1 (en) 2014-10-09

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