MY183814A - Magnetic-disk substrate and magnetic disk - Google Patents

Magnetic-disk substrate and magnetic disk

Info

Publication number
MY183814A
MY183814A MYPI2016702083A MYPI2016702083A MY183814A MY 183814 A MY183814 A MY 183814A MY PI2016702083 A MYPI2016702083 A MY PI2016702083A MY PI2016702083 A MYPI2016702083 A MY PI2016702083A MY 183814 A MY183814 A MY 183814A
Authority
MY
Malaysia
Prior art keywords
magnetic
disk
substrate
inclined surface
disk substrate
Prior art date
Application number
MYPI2016702083A
Other languages
English (en)
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 MY183814A publication Critical patent/MY183814A/en

Links

Classifications

    • G11B5/7315—
    • 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

Landscapes

  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
MYPI2016702083A 2013-12-27 2014-12-26 Magnetic-disk substrate and magnetic disk MY183814A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013271530 2013-12-27
PCT/JP2014/084699 WO2015099177A1 (ja) 2013-12-27 2014-12-26 磁気ディスク用基板および磁気ディスク

Publications (1)

Publication Number Publication Date
MY183814A true MY183814A (en) 2021-03-17

Family

ID=53479015

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2016702083A MY183814A (en) 2013-12-27 2014-12-26 Magnetic-disk substrate and magnetic disk

Country Status (5)

Country Link
JP (2) JP5922313B2 (ja)
CN (2) CN105830156B (ja)
MY (1) MY183814A (ja)
SG (2) SG10201704694XA (ja)
WO (1) WO2015099177A1 (ja)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4274708B2 (ja) * 2001-05-14 2009-06-10 Ｈｏｙａ株式会社 磁気記録媒体用ガラス基板及びその製造方法
JP4767476B2 (ja) * 2002-10-22 2011-09-07 昭和電工株式会社 磁気ディスク用アルミニウム基板の製造方法
JP2006099945A (ja) * 2004-08-30 2006-04-13 Showa Denko Kk 磁気記録媒体用ガラス基板および磁気記録媒体
JP2007087533A (ja) * 2005-09-22 2007-04-05 Showa Denko Kk 磁気記録媒体用シリコン基板および磁気記録媒体
JP2008282539A (ja) * 2008-08-25 2008-11-20 Hoya Corp 磁気記録媒体用ガラス基板及びその製造方法
JP2012024899A (ja) * 2010-07-26 2012-02-09 Showa Denko Kk 円盤状基板の製造方法、研磨装置およびプログラム
WO2012090364A1 (ja) * 2010-12-28 2012-07-05 コニカミノルタオプト株式会社 磁気記録媒体用ガラス基板の製造方法
JP5327275B2 (ja) * 2011-05-27 2013-10-30 旭硝子株式会社 端面研磨ブラシ及び磁気記録媒体用ガラス基板の製造方法
US8233233B1 (en) * 2011-06-30 2012-07-31 Seagate Technology Llc Devices including a write pole tip with a convex shape
CN104700850A (zh) * 2013-12-06 2015-06-10 株式会社东芝 垂直磁记录介质和垂直磁记录介质的制造方法

Also Published As

Publication number Publication date
SG10201704694XA (en) 2017-07-28
JPWO2015099177A1 (ja) 2017-03-23
JP5922313B2 (ja) 2016-05-24
JP6452639B2 (ja) 2019-01-16
CN105830156A (zh) 2016-08-03
CN107665716A (zh) 2018-02-06
WO2015099177A1 (ja) 2015-07-02
SG11201604589SA (en) 2016-07-28
CN105830156B (zh) 2017-10-20
CN107665716B (zh) 2019-12-24
JP2016154060A (ja) 2016-08-25

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MY183814A (en) Magnetic-disk substrate and magnetic disk