JP5959158B2 - 熱アシスト磁気記録ヘッドおよび熱アシスト磁気記録方法 - Google Patents

熱アシスト磁気記録ヘッドおよび熱アシスト磁気記録方法 Download PDF

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JP5959158B2
JP5959158B2 JP2011106276A JP2011106276A JP5959158B2 JP 5959158 B2 JP5959158 B2 JP 5959158B2 JP 2011106276 A JP2011106276 A JP 2011106276A JP 2011106276 A JP2011106276 A JP 2011106276A JP 5959158 B2 JP5959158 B2 JP 5959158B2
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Prior art keywords
pole
magnetic recording
main pole
recording
leading
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Expired - Fee Related
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JP2011106276A
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English (en)
Japanese (ja)
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JP2011238345A (ja
JP2011238345A5 (enExample
Inventor
研一 ▲高▼野
研一 ▲高▼野
スミス ジョー
スミス ジョー
シュレック エルハルト
シュレック エルハルト
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ヘッドウェイテクノロジーズ インコーポレイテッド
ヘッドウェイテクノロジーズ インコーポレイテッド
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Publication of JP2011238345A publication Critical patent/JP2011238345A/ja
Publication of JP2011238345A5 publication Critical patent/JP2011238345A5/ja
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    • 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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3109—Details
    • G11B5/3116—Shaping of layers, poles or gaps for improving the form of the electrical signal transduced, e.g. for shielding, contour effect, equalizing, side flux fringing, cross talk reduction between heads or between heads and information tracks
    • 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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
    • 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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3109—Details
    • G11B5/313—Disposition of layers
    • G11B5/3133—Disposition of layers including layers not usually being a part of the electromagnetic transducer structure and providing additional features, e.g. for improving heat radiation, reduction of power dissipation, adaptations for measurement or indication of gap depth or other properties of the structure
    • G11B5/314—Disposition of layers including layers not usually being a part of the electromagnetic transducer structure and providing additional features, e.g. for improving heat radiation, reduction of power dissipation, adaptations for measurement or indication of gap depth or other properties of the structure where the layers are extra layers normally not provided in the transducing structure, e.g. optical layers
    • 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
    • G11B2005/0002—Special dispositions or recording techniques
    • G11B2005/0005—Arrangements, methods or circuits
    • G11B2005/0021—Thermally assisted recording using an auxiliary energy source for heating the recording layer locally to assist the magnetization reversal

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetic Heads (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
JP2011106276A 2010-05-11 2011-05-11 熱アシスト磁気記録ヘッドおよび熱アシスト磁気記録方法 Expired - Fee Related JP5959158B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/800,194 2010-05-11
US12/800,194 US8416649B2 (en) 2010-05-11 2010-05-11 Main pole design for thermally assisted magnetic recording

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2016015454A Division JP6142020B2 (ja) 2010-05-11 2016-01-29 熱アシスト磁気記録ヘッドおよび熱アシスト磁気記録方法

Publications (3)

Publication Number Publication Date
JP2011238345A JP2011238345A (ja) 2011-11-24
JP2011238345A5 JP2011238345A5 (enExample) 2014-10-16
JP5959158B2 true JP5959158B2 (ja) 2016-08-02

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JP2011106276A Expired - Fee Related JP5959158B2 (ja) 2010-05-11 2011-05-11 熱アシスト磁気記録ヘッドおよび熱アシスト磁気記録方法
JP2016015454A Expired - Fee Related JP6142020B2 (ja) 2010-05-11 2016-01-29 熱アシスト磁気記録ヘッドおよび熱アシスト磁気記録方法

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JP2016015454A Expired - Fee Related JP6142020B2 (ja) 2010-05-11 2016-01-29 熱アシスト磁気記録ヘッドおよび熱アシスト磁気記録方法

Country Status (2)

Country Link
US (1) US8416649B2 (enExample)
JP (2) JP5959158B2 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8599656B2 (en) * 2011-12-12 2013-12-03 Headway Technologies, Inc. Planar plasmon generator with a scalable feature for TAMR
CN104823238A (zh) * 2013-01-31 2015-08-05 惠普发展公司，有限责任合伙企业 磁带处理
US9190079B1 (en) 2014-09-22 2015-11-17 Western Digital (Fremont), Llc Magnetic write pole having engineered radius of curvature and chisel angle profiles

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3740361B2 (ja) * 2000-10-23 2006-02-01 株式会社日立グローバルストレージテクノロジーズ 垂直記録用磁気ヘッド及びそれを搭載した磁気ディスク装置
JP2003036503A (ja) * 2001-07-24 2003-02-07 Hitachi Ltd 垂直記録用磁気ヘッド及びそれを搭載した磁気ディスク装置
US6813115B2 (en) * 2002-04-18 2004-11-02 Seagate Technology Llc Perpendicular magnetic recording head with improved write field gradient
JP2003332651A (ja) * 2002-05-16 2003-11-21 Sony Corp 磁気抵抗効果素子およびその製造方法並びに磁気メモリ装置
JP2004103092A (ja) 2002-09-09 2004-04-02 Hitachi Ltd 垂直記録用磁気ヘッド及びその製造方法、並びに垂直記録用磁気ヘッドを搭載した磁気ディスク装置
JP4317717B2 (ja) 2003-01-22 2009-08-19 株式会社日立グローバルストレージテクノロジーズ 垂直記録用薄膜磁気ヘッドを用いた磁気ディスク装置
US8643979B2 (en) 2003-05-23 2014-02-04 The Regents Of The University Of California Tapered single pole magnetic heads for perpendicular magnetic recording
US20050219743A1 (en) 2004-04-06 2005-10-06 Headway Technologies, Inc. Perpendicular write head with tapered main pole
US9135932B2 (en) * 2007-01-17 2015-09-15 Seagate Technology Llc Integrated head for heat assisted magnetic recording
JP2008269757A (ja) * 2007-03-27 2008-11-06 Seiko Instruments Inc 近接場光ヘッド及び情報記録再生装置
US7948716B2 (en) * 2007-06-04 2011-05-24 Sae Magnetics (H.K.) Ltd. Magnetic head for perpendicular magnetic recording with a shield and a pole layer having a top surface with first and second portions at different heights, and method of manufacturing same
US8238056B2 (en) 2007-11-02 2012-08-07 Headway Technologies, Inc. Perpendicular shield pole writer with tapered main pole and tapered non-magnetic top shaping layer
US8036069B1 (en) * 2010-05-28 2011-10-11 Headway Technologies, Inc. Plasmon shield to shape and reduce optical spot
US8284637B2 (en) * 2010-01-25 2012-10-09 Headway Technologies, Inc. Shaped plasmon generators for thermally-assisted magnetic recording
US8179628B2 (en) * 2010-07-08 2012-05-15 Headway Technologies, Inc. Magnetic core plasmon antenna with improved coupling efficiency

Also Published As

Publication number Publication date
JP2011238345A (ja) 2011-11-24
US20110279920A1 (en) 2011-11-17
US8416649B2 (en) 2013-04-09
JP6142020B2 (ja) 2017-06-07
JP2016103308A (ja) 2016-06-02

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