JP2005302238A5 - - Google Patents

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Publication number
JP2005302238A5
JP2005302238A5 JP2004120754A JP2004120754A JP2005302238A5 JP 2005302238 A5 JP2005302238 A5 JP 2005302238A5 JP 2004120754 A JP2004120754 A JP 2004120754A JP 2004120754 A JP2004120754 A JP 2004120754A JP 2005302238 A5 JP2005302238 A5 JP 2005302238A5
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JP
Japan
Prior art keywords
layer
soft magnetic
amorphous
amorphous soft
magnetic
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Application number
JP2004120754A
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English (en)
Japanese (ja)
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JP2005302238A (ja
JP4222965B2 (ja
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Priority claimed from JP2004120754A external-priority patent/JP4222965B2/ja
Priority to JP2004120754A priority Critical patent/JP4222965B2/ja
Application filed filed Critical
Priority to CNB2005100655428A priority patent/CN100418137C/zh
Priority to US11/107,588 priority patent/US7875371B2/en
Publication of JP2005302238A publication Critical patent/JP2005302238A/ja
Publication of JP2005302238A5 publication Critical patent/JP2005302238A5/ja
Publication of JP4222965B2 publication Critical patent/JP4222965B2/ja
Application granted granted Critical
Priority to US12/907,943 priority patent/US20110032638A1/en
Priority to US12/969,351 priority patent/US20110151144A1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP2004120754A 2004-04-15 2004-04-15 垂直磁気記録媒体及びその製造方法、磁気記録装置 Expired - Fee Related JP4222965B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2004120754A JP4222965B2 (ja) 2004-04-15 2004-04-15 垂直磁気記録媒体及びその製造方法、磁気記録装置
CNB2005100655428A CN100418137C (zh) 2004-04-15 2005-04-15 垂直磁记录介质、其制造方法以及使用其的磁记录/再现装置
US11/107,588 US7875371B2 (en) 2004-04-15 2005-04-15 Perpendicular magnetic recording medium, manufacturing process of the same, and magnetic recording/reproducing apparatus using the same
US12/907,943 US20110032638A1 (en) 2004-04-15 2010-10-19 Perpendicular magnetic recording medium, manufacturing process of the same, and magnetic recording/reproducing apparatus using the same
US12/969,351 US20110151144A1 (en) 2004-04-15 2010-12-15 Perpendicular magnetic recording medium, manufacturing process of the same, and magnetic recording/reproducing apparatus using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004120754A JP4222965B2 (ja) 2004-04-15 2004-04-15 垂直磁気記録媒体及びその製造方法、磁気記録装置

Publications (3)

Publication Number Publication Date
JP2005302238A JP2005302238A (ja) 2005-10-27
JP2005302238A5 true JP2005302238A5 (https=) 2007-02-15
JP4222965B2 JP4222965B2 (ja) 2009-02-12

Family

ID=35187459

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004120754A Expired - Fee Related JP4222965B2 (ja) 2004-04-15 2004-04-15 垂直磁気記録媒体及びその製造方法、磁気記録装置

Country Status (3)

Country Link
US (3) US7875371B2 (https=)
JP (1) JP4222965B2 (https=)
CN (1) CN100418137C (https=)

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US9978413B2 (en) 2006-06-17 2018-05-22 Dieter Suess Multilayer exchange spring recording media
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US20080090106A1 (en) * 2006-10-13 2008-04-17 David Braunstein Soft underlayer for perpendicular media with mechanical stability and corrosion resistance
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JP2008140528A (ja) * 2006-12-05 2008-06-19 Hitachi Global Storage Technologies Netherlands Bv 垂直磁気記録媒体
JP2008198316A (ja) * 2007-02-15 2008-08-28 Fujitsu Ltd 垂直磁気記録媒体、その製造方法及び磁気記録装置
US8982510B2 (en) * 2007-11-05 2015-03-17 HGST Netherlands B.V. Perpendicular magnetic recording disk having a permeability gradient
JP5304978B2 (ja) * 2007-11-08 2013-10-02 セイコーエプソン株式会社 圧電素子、液体噴射ヘッド、およびプリンタ
US8252367B2 (en) * 2007-12-19 2012-08-28 Hitachi Global Storage Technologies Netherlands B.V. Methods and apparatus to fabricate soft magnetic film with preferred uniaxial anisotropy for perpendicular recording
US9127365B2 (en) * 2008-02-16 2015-09-08 HGST Netherlands B.V. Generation of multilayer structures in a single sputtering module of a multi-station magnetic recording media fabrication tool
US8597723B1 (en) 2008-03-14 2013-12-03 WD Media, LLC Perpendicular magnetic recording medium with single domain exchange-coupled soft magnetic underlayer and device incorporating same
US9064519B2 (en) 2011-07-06 2015-06-23 Hitachi Metals, Ltd. Soft magnetic under layer
FR3002690B1 (fr) * 2013-02-27 2016-07-29 Centre Nat De La Rech Scient - Cnrs - Procede de traitement d'une structure magnetique
US10276192B2 (en) * 2013-07-11 2019-04-30 Western Digital Technologies, Inc. Perpendicular magnetic recording medium
US8879208B1 (en) 2013-12-02 2014-11-04 Headway Technologies, Inc. Umbrella shield writer (UmSW) design for perpendicular magnetic recording (PMR)
US9147408B1 (en) * 2013-12-19 2015-09-29 Western Digital (Fremont), Llc Heated AFM layer deposition and cooling process for TMR magnetic recording sensor with high pinning field
JP6221907B2 (ja) * 2014-03-31 2017-11-01 ソニー株式会社 磁気記録媒体
JP6427290B1 (ja) * 2017-11-22 2018-11-21 株式会社Uacj 磁気ディスク用アルミニウム合金基板及びその製造方法、ならびに、当該磁気ディスク用アルミニウム合金基板を用いた磁気ディスク
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