SG122910A1 - Perpendicular magnetic recording medium - Google Patents

Perpendicular magnetic recording medium

Info

Publication number
SG122910A1
SG122910A1 SG200507265A SG200507265A SG122910A1 SG 122910 A1 SG122910 A1 SG 122910A1 SG 200507265 A SG200507265 A SG 200507265A SG 200507265 A SG200507265 A SG 200507265A SG 122910 A1 SG122910 A1 SG 122910A1
Authority
SG
Singapore
Prior art keywords
recording medium
magnetic recording
perpendicular magnetic
medium
recording
Prior art date
Application number
SG200507265A
Other languages
English (en)
Inventor
Uwazumi Hiroyuki
Sakai Yasushi
Takenoiri Shunji
Watanabe Sadayuki
Original Assignee
Fuji Elec Device Tech Co 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 Fuji Elec Device Tech Co Ltd filed Critical Fuji Elec Device Tech Co Ltd
Publication of SG122910A1 publication Critical patent/SG122910A1/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
    • G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
    • G11B5/66—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers
    • G11B5/667—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers including a soft magnetic layer
    • 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
    • G11B5/7368—Non-polymeric layer under the lowermost magnetic recording layer
    • G11B5/7369—Two or more non-magnetic underlayers, e.g. seed layers or barrier layers
    • G11B5/737—Physical structure of underlayer, e.g. texture
SG200507265A 2004-12-02 2005-11-22 Perpendicular magnetic recording medium SG122910A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004349550A JP4367326B2 (ja) 2004-12-02 2004-12-02 垂直磁気記録媒体

Publications (1)

Publication Number Publication Date
SG122910A1 true SG122910A1 (en) 2006-06-29

Family

ID=36640821

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200507265A SG122910A1 (en) 2004-12-02 2005-11-22 Perpendicular magnetic recording medium

Country Status (4)

Country Link
US (1) US20060147760A1 (zh)
JP (1) JP4367326B2 (zh)
CN (1) CN1815566A (zh)
SG (1) SG122910A1 (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8147996B2 (en) * 2005-06-07 2012-04-03 Seagate Technology Llc Perpendicular media with dual soft magnetic layers
US7833640B2 (en) * 2005-08-19 2010-11-16 Hitachi Global Storage Technologies Netherlands B.V. Intermediate tri-layer structure for perpendicular recording media
SG140495A1 (en) * 2006-08-24 2008-03-28 Agency Science Tech & Res Double-layered perpendicular magnetic recording media
WO2008133035A1 (ja) * 2007-04-13 2008-11-06 Fuji Electric Device Technology Co., Ltd. 垂直磁気記録媒体
JP5337451B2 (ja) * 2008-11-06 2013-11-06 エイチジーエスティーネザーランドビーブイ 垂直磁気記録媒体
US20140093746A1 (en) * 2012-09-30 2014-04-03 Seagate Technology Llc Magnetic seed layer
KR102451098B1 (ko) 2015-09-23 2022-10-05 삼성전자주식회사 자기 메모리 장치 및 이의 제조 방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6623874B2 (en) * 2000-10-06 2003-09-23 Hitachi, Ltd. Magnetic recording medium and magnetic recording apparatus
JP3653007B2 (ja) * 2001-05-14 2005-05-25 株式会社日立製作所 垂直磁気記録媒体とその製造方法および磁気記憶装置
JP4626840B2 (ja) * 2001-08-31 2011-02-09 富士電機デバイステクノロジー株式会社 垂直磁気記録媒体及びその製造方法
JP2003077121A (ja) * 2001-08-31 2003-03-14 Fuji Electric Co Ltd 磁気記録媒体およびその製造方法
JP2003124541A (ja) * 2001-10-12 2003-04-25 Nec Corp 交換結合膜、磁気抵抗効果素子、磁気ヘッド及び磁気ランダムアクセスメモリ
JP4019703B2 (ja) * 2001-12-07 2007-12-12 富士電機デバイステクノロジー株式会社 垂直磁気記録媒体およびその製造方法

Also Published As

Publication number Publication date
US20060147760A1 (en) 2006-07-06
CN1815566A (zh) 2006-08-09
JP4367326B2 (ja) 2009-11-18
JP2006164315A (ja) 2006-06-22

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