SG11201604589SA - Magnetic-disk substrate and magnetic-disk - Google Patents

Magnetic-disk substrate and magnetic-disk

Info

Publication number
SG11201604589SA
SG11201604589SA SG11201604589SA SG11201604589SA SG11201604589SA SG 11201604589S A SG11201604589S A SG 11201604589SA SG 11201604589S A SG11201604589S A SG 11201604589SA SG 11201604589S A SG11201604589S A SG 11201604589SA SG 11201604589S A SG11201604589S A SG 11201604589SA
Authority
SG
Singapore
Prior art keywords
magnetic
disk
substrate
disk substrate
Prior art date
Application number
SG11201604589SA
Inventor
Seigo Yazaki
Takashi Maeda
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 SG11201604589SA publication Critical patent/SG11201604589SA/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
    • G11B5/62—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
    • G11B5/739—Magnetic recording media substrates
    • G11B5/7315—
SG11201604589SA 2013-12-27 2014-12-26 Magnetic-disk substrate and magnetic-disk SG11201604589SA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013271530 2013-12-27
PCT/JP2014/084699 WO2015099177A1 (en) 2013-12-27 2014-12-26 Magnetic disk-use substrate and magnetic disk

Publications (1)

Publication Number Publication Date
SG11201604589SA true SG11201604589SA (en) 2016-07-28

Family

ID=53479015

Family Applications (2)

Application Number Title Priority Date Filing Date
SG11201604589SA SG11201604589SA (en) 2013-12-27 2014-12-26 Magnetic-disk substrate and magnetic-disk
SG10201704694XA SG10201704694XA (en) 2013-12-27 2014-12-26 Magnetic-disk substrate and magnetic disk

Family Applications After (1)

Application Number Title Priority Date Filing Date
SG10201704694XA SG10201704694XA (en) 2013-12-27 2014-12-26 Magnetic-disk substrate and magnetic disk

Country Status (5)

Country Link
JP (2) JP5922313B2 (en)
CN (2) CN107665716B (en)
MY (1) MY183814A (en)
SG (2) SG11201604589SA (en)
WO (1) WO2015099177A1 (en)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4274708B2 (en) * 2001-05-14 2009-06-10 Ｈｏｙａ株式会社 Glass substrate for magnetic recording medium and manufacturing method thereof
JP4767476B2 (en) * 2002-10-22 2011-09-07 昭和電工株式会社 Method for manufacturing aluminum substrate for magnetic disk
JP2006099945A (en) * 2004-08-30 2006-04-13 Showa Denko Kk Glass substrate for magnetic recording medium, and magnetic recording medium
JP2007087533A (en) * 2005-09-22 2007-04-05 Showa Denko Kk Silicon substrate for magnetic recording media, and magnetic recording medium
JP2008282539A (en) * 2008-08-25 2008-11-20 Hoya Corp Glass substrate for magnetic recording medium, and its manufacturing method
JP2012024899A (en) * 2010-07-26 2012-02-09 Showa Denko Kk Method of manufacturing disk substrate, polishing device and program
WO2012090364A1 (en) * 2010-12-28 2012-07-05 コニカミノルタオプト株式会社 Method for manufacturing glass substrate for magnetic recording medium
JP5327275B2 (en) * 2011-05-27 2013-10-30 旭硝子株式会社 End polishing brush and method for manufacturing glass substrate for magnetic recording medium
US8233233B1 (en) * 2011-06-30 2012-07-31 Seagate Technology Llc Devices including a write pole tip with a convex shape
CN104700850A (en) * 2013-12-06 2015-06-10 株式会社东芝 Perpendicular magnetic recording media and manufacturing method for same

Also Published As

Publication number Publication date
CN107665716B (en) 2019-12-24
JP6452639B2 (en) 2019-01-16
CN105830156B (en) 2017-10-20
CN105830156A (en) 2016-08-03
WO2015099177A1 (en) 2015-07-02
JPWO2015099177A1 (en) 2017-03-23
SG10201704694XA (en) 2017-07-28
JP5922313B2 (en) 2016-05-24
CN107665716A (en) 2018-02-06
MY183814A (en) 2021-03-17
JP2016154060A (en) 2016-08-25

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