JP6013309B2 - 装置、磁気素子およびデータライタ - Google Patents

装置、磁気素子およびデータライタ Download PDF

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Publication number
JP6013309B2
JP6013309B2 JP2013246154A JP2013246154A JP6013309B2 JP 6013309 B2 JP6013309 B2 JP 6013309B2 JP 2013246154 A JP2013246154 A JP 2013246154A JP 2013246154 A JP2013246154 A JP 2013246154A JP 6013309 B2 JP6013309 B2 JP 6013309B2
Authority
JP
Japan
Prior art keywords
shield
pole
magnetic
write
tip
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
JP2013246154A
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English (en)
Japanese (ja)
Other versions
JP2014112455A5 (enExample
JP2014112455A (ja
Inventor
エリック・シェーン・リンビル
ジェンファ・シュエ
エリック・ロジャー・メロチェ
フアチン・イン
ヨンファ・チェン
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seagate Technology LLC
Original Assignee
Seagate Technology LLC
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 Seagate Technology LLC filed Critical Seagate Technology LLC
Publication of JP2014112455A publication Critical patent/JP2014112455A/ja
Publication of JP2014112455A5 publication Critical patent/JP2014112455A5/ja
Application granted granted Critical
Publication of JP6013309B2 publication Critical patent/JP6013309B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • 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
    • G11B5/10—Structure or manufacture of housings or shields for heads
    • G11B5/11—Shielding of head against electric or magnetic fields
    • 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
    • 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
    • G11B5/3116—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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3109—Details
    • G11B5/313—Disposition of layers
    • G11B5/3143—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding
    • G11B5/3146—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding magnetic layers
    • G11B5/315—Shield layers on both sides of the main pole, e.g. in perpendicular magnetic heads

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetic Heads (AREA)
JP2013246154A 2012-11-29 2013-11-28 装置、磁気素子およびデータライタ Expired - Fee Related JP6013309B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/689,337 US8830625B2 (en) 2012-11-29 2012-11-29 Data writer with tapered side shield sidewalls
US13/689,337 2012-11-29

Publications (3)

Publication Number Publication Date
JP2014112455A JP2014112455A (ja) 2014-06-19
JP2014112455A5 JP2014112455A5 (enExample) 2014-10-30
JP6013309B2 true JP6013309B2 (ja) 2016-10-25

Family

ID=49641676

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013246154A Expired - Fee Related JP6013309B2 (ja) 2012-11-29 2013-11-28 装置、磁気素子およびデータライタ

Country Status (5)

Country Link
US (2) US8830625B2 (enExample)
EP (1) EP2738764B1 (enExample)
JP (1) JP6013309B2 (enExample)
KR (1) KR101524527B1 (enExample)
CN (1) CN103854665B (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9196267B2 (en) * 2013-06-28 2015-11-24 Seagate Technology Llc Data writer with flux density insert
US8964332B1 (en) 2013-09-30 2015-02-24 HGST Netherlands B.V. Microwave-assisted magnetic recording head with asymmetric side gap for shingled magnetic recording
US9047889B1 (en) * 2013-12-10 2015-06-02 HGST Netherlands B.V. Perpendicular magnetic recording head having a trailing side taper angle which is less than a leading side taper angle
US9269378B2 (en) * 2013-12-20 2016-02-23 HGST Netherlands B.V. Stray field shielding for perpendicular magnetic recording write head
US8988824B1 (en) * 2013-12-23 2015-03-24 HGST Netherlands B.V. Method for manufacturing a magnetic write pole with a consistent bevel angle
US9224407B2 (en) * 2014-01-13 2015-12-29 Seagate Technology Llc Varying write pole side shield gap
US9153255B1 (en) * 2014-03-05 2015-10-06 Western Digital (Fremont), Llc Method for fabricating a magnetic writer having an asymmetric gap and shields
US9286919B1 (en) * 2014-12-17 2016-03-15 Western Digital (Fremont), Llc Magnetic writer having a dual side gap
US9349388B1 (en) 2015-02-27 2016-05-24 Seagate Technology Llc Data writer front shield with varying throat height
US9299367B1 (en) 2015-07-30 2016-03-29 Headway Technologies, Inc. Perpendicular magnetic recording (PMR) writer with minimized internal flux shunting
US9595273B1 (en) * 2015-09-30 2017-03-14 Western Digital (Fremont), Llc Shingle magnetic writer having nonconformal shields
US10141014B1 (en) 2017-07-28 2018-11-27 Seagate Technology Llc Write head with reduced trailing shield—side shield spacing
US10468054B1 (en) 2018-08-22 2019-11-05 Western Digital Technologies, Inc. Write head having a monolithic side sheild and leading shield

Family Cites Families (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5907220A (en) 1996-03-13 1999-05-25 Applied Materials, Inc. Magnetron for low pressure full face erosion
US5929526A (en) 1997-06-05 1999-07-27 Micron Technology, Inc. Removal of metal cusp for improved contact fill
US6846745B1 (en) 2001-08-03 2005-01-25 Novellus Systems, Inc. High-density plasma process for filling high aspect ratio structures
JP4088453B2 (ja) * 2002-02-14 2008-05-21 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
JP2004094997A (ja) * 2002-08-29 2004-03-25 Tdk Corp 薄膜磁気ヘッドおよびその製造方法
US7205240B2 (en) 2003-06-04 2007-04-17 Applied Materials, Inc. HDP-CVD multistep gapfill process
US7295401B2 (en) * 2004-10-27 2007-11-13 Hitachi Global Storage Technologies Netherlands B.V. Laminated side shield for perpendicular write head for improved performance
US7397633B2 (en) 2005-03-01 2008-07-08 Seagate Technology, Llc Writer structure with assisted bias
US7268057B2 (en) 2005-03-30 2007-09-11 Micron Technology, Inc. Methods of filling openings with oxide, and methods of forming trenched isolation regions
KR100763904B1 (ko) * 2005-08-12 2007-10-05 삼성전자주식회사 수직 자기 헤드 및 그 제조 방법
JP4287457B2 (ja) * 2006-05-11 2009-07-01 株式会社東芝 垂直記録用磁気ヘッドおよび磁気ディスク装置
US7715147B2 (en) 2006-10-27 2010-05-11 Hitachi Global Storage Technologies Netherlands B.V. Magnetic write head having a shield that extends below the leading edge of the write pole
US8689430B1 (en) * 2006-11-29 2014-04-08 Western Digital (Fremont), Llc Method for providing a perpendicular magnetic recording (PMR)head
US7872835B2 (en) 2007-04-13 2011-01-18 Headway Technologies, Inc. Optimized write pole flare angle for side shield or semi side shield PMR writer application
US8339735B2 (en) * 2007-06-29 2012-12-25 Seagate Technology Llc Magnetic writer for patterned stack with increased write field
US8035930B2 (en) 2007-10-03 2011-10-11 Headway Technologies, Inc. Perpendicular magnetic recording write head with a side shield
US8000064B2 (en) 2007-12-13 2011-08-16 Tdk Corporation Thin-film magnetic head for perpendicular magnetic recording and method of making the same
US8120874B2 (en) * 2007-12-28 2012-02-21 Hitachi Global Storage Technologies Netherlands B.V. Perpendicular write head having a modified wrap-around shield to improve overwrite, adjacent track interference and magnetic core width dependence on skew angle
US8310782B2 (en) * 2008-04-04 2012-11-13 Seagate Technology Llc Dedicated ID-OD writer with beveled pole tips and method of manufacture
JP2010003353A (ja) 2008-06-19 2010-01-07 Toshiba Corp 磁気記録ヘッド、磁気ヘッドアセンブリ及び磁気記録装置
US8031433B2 (en) * 2008-09-05 2011-10-04 Headway Technologies, Inc. Method to make an integrated side shield PMR head with non conformal side gap
JP2010146600A (ja) 2008-12-16 2010-07-01 Hitachi Global Storage Technologies Netherlands Bv 垂直磁気記録ヘッド、その製造方法及び磁気記録再生装置
JP2010146639A (ja) 2008-12-18 2010-07-01 Hitachi Global Storage Technologies Netherlands Bv 垂直記録用磁気ヘッド
JP2010176732A (ja) * 2009-01-27 2010-08-12 Toshiba Corp 磁気ヘッド、およびこれを備えたディスク装置
US8400731B1 (en) * 2009-04-19 2013-03-19 Western Digital (Fremont), Llc Write head with variable side shield gaps
US8264792B2 (en) 2009-05-04 2012-09-11 Headway Technologies, Inc. PMR writer device with multi-level tapered write pole
US8470185B2 (en) * 2009-05-29 2013-06-25 Sae Magnetics (H.K.) Ltd. Perpendicular magnetic recording head and method of manufacturing the same
US8339741B2 (en) * 2009-06-22 2012-12-25 Seagate Technology Llc Write pole trailing edge partial side shield
US8310786B2 (en) * 2009-09-09 2012-11-13 Hitachi Global Storage Technologies Netherlands B.V. Asymmetric writer for shingled magnetic recording
JP4693923B2 (ja) * 2009-09-29 2011-06-01 株式会社東芝 磁気ヘッド、およびこれを備えたディスク装置
US8072706B2 (en) 2009-10-15 2011-12-06 Tdk Corporation Magnetic head for perpendicular magnetic recording and method of manufacturing same
US8134802B2 (en) 2009-10-29 2012-03-13 Headway Technologies, Inc. Writer and reader arrangements for shingled writing
US8300359B2 (en) * 2009-12-30 2012-10-30 Tdk Corporation Perpendicular magnetic recording head and magnetic recording device
US8611046B2 (en) * 2010-04-19 2013-12-17 Headway Technologies, Inc. PMR writer with graded side shield
US8264798B1 (en) * 2010-06-23 2012-09-11 Western Digital (Fremont), Llc Systems and methods for providing magnetic recording heads adapted for writing shingled tracks
US8355222B2 (en) * 2010-06-30 2013-01-15 Sae Magnetics (H.K.) Ltd. Perpendicular magnetic write head including high magnetic moment seed layer for trailing shield therein and/or method of making the same
US8347489B2 (en) 2010-09-01 2013-01-08 Hitachi Global Storage Technologies Netherlands B.V. Method for manufacturing a perpendicular magnetic write head having a leading edge tapered write pole, self aligned side shield and independent trailing shield
US8345385B2 (en) * 2010-10-29 2013-01-01 Seagate Technology Llc Shield with continuously concave inner sidewall
US20120154951A1 (en) 2010-12-21 2012-06-21 Hitachi Global Storage Technologies Netherlands B.V. Method for manufacturing a perpendicular magnetic write pole having a write pole and trailing shield with a tapered trailing gap
US8537501B2 (en) * 2011-03-28 2013-09-17 Seagate Technology Llc Write head with modified side shields
US9082425B2 (en) * 2011-05-04 2015-07-14 Seagate Technology Llc Magnetic shield with flux concentration feature
US8472139B2 (en) * 2011-09-06 2013-06-25 HGST Netherlands B.V. Shingled magnetic recording (SMR) head with bent trailing shield and methods of production thereof
US8582238B1 (en) * 2011-10-21 2013-11-12 Western Digital (Fremont), Llc Systems and methods for providing perpendicular magnetic writers having gradient magnetic moment side shields

Also Published As

Publication number Publication date
US20140376131A1 (en) 2014-12-25
CN103854665B (zh) 2018-04-10
KR101524527B1 (ko) 2015-06-02
KR20140070469A (ko) 2014-06-10
EP2738764A1 (en) 2014-06-04
JP2014112455A (ja) 2014-06-19
US20140146417A1 (en) 2014-05-29
CN103854665A (zh) 2014-06-11
US9218824B2 (en) 2015-12-22
US8830625B2 (en) 2014-09-09
EP2738764B1 (en) 2017-05-10

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