KR101524527B1 - 테이퍼링된 측면 실드 측벽들을 갖는 데이터 기록기 - Google Patents

테이퍼링된 측면 실드 측벽들을 갖는 데이터 기록기 Download PDF

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Publication number
KR101524527B1
KR101524527B1 KR1020130147612A KR20130147612A KR101524527B1 KR 101524527 B1 KR101524527 B1 KR 101524527B1 KR 1020130147612 A KR1020130147612 A KR 1020130147612A KR 20130147612 A KR20130147612 A KR 20130147612A KR 101524527 B1 KR101524527 B1 KR 101524527B1
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KR
South Korea
Prior art keywords
shield
pole
magnetic
sidewalls
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
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KR1020130147612A
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English (en)
Korean (ko)
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KR20140070469A (ko
Inventor
에릭 쉐인 린빌
지엔화 수
에릭 로저 메로체
후아킹 인
용화 첸
Original Assignee
시게이트 테크놀로지 엘엘씨
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Publication of KR20140070469A publication Critical patent/KR20140070469A/ko
Application granted granted Critical
Publication of KR101524527B1 publication Critical patent/KR101524527B1/ko
Expired - Fee Related legal-status Critical Current
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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
    • G11B5/187—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)
KR1020130147612A 2012-11-29 2013-11-29 테이퍼링된 측면 실드 측벽들을 갖는 데이터 기록기 Expired - Fee Related KR101524527B1 (ko)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
KR20140070469A KR20140070469A (ko) 2014-06-10
KR101524527B1 true KR101524527B1 (ko) 2015-06-02

Family

ID=49641676

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020130147612A Expired - Fee Related KR101524527B1 (ko) 2012-11-29 2013-11-29 테이퍼링된 측면 실드 측벽들을 갖는 데이터 기록기

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)

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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

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JP2011227987A (ja) * 2010-04-19 2011-11-10 Headway Technologies Inc 垂直磁気記録ヘッドおよびその製造方法
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

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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
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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
US8310782B2 (en) * 2008-04-04 2012-11-13 Seagate Technology Llc Dedicated ID-OD writer with beveled pole tips and method of manufacture
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US8537501B2 (en) * 2011-03-28 2013-09-17 Seagate Technology Llc Write head with modified side shields
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Publication number Priority date Publication date Assignee Title
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
JP2011227987A (ja) * 2010-04-19 2011-11-10 Headway Technologies Inc 垂直磁気記録ヘッドおよびその製造方法

Also Published As

Publication number Publication date
CN103854665B (zh) 2018-04-10
KR20140070469A (ko) 2014-06-10
JP6013309B2 (ja) 2016-10-25
US9218824B2 (en) 2015-12-22
US20140146417A1 (en) 2014-05-29
EP2738764B1 (en) 2017-05-10
CN103854665A (zh) 2014-06-11
US20140376131A1 (en) 2014-12-25
US8830625B2 (en) 2014-09-09
EP2738764A1 (en) 2014-06-04
JP2014112455A (ja) 2014-06-19

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