CN103854665B - 具有锥形侧屏蔽侧壁的数据写入器 - Google Patents

具有锥形侧屏蔽侧壁的数据写入器 Download PDF

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Publication number
CN103854665B
CN103854665B CN201310625340.9A CN201310625340A CN103854665B CN 103854665 B CN103854665 B CN 103854665B CN 201310625340 A CN201310625340 A CN 201310625340A CN 103854665 B CN103854665 B CN 103854665B
Authority
CN
China
Prior art keywords
side wall
shielding
shield
pole
write pole
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
CN201310625340.9A
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English (en)
Chinese (zh)
Other versions
CN103854665A (zh
Inventor
E·S·里维利
J·薛
E·R·麦洛克
H·殷
陈永华
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 CN103854665A publication Critical patent/CN103854665A/zh
Application granted granted Critical
Publication of CN103854665B publication Critical patent/CN103854665B/zh
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)
CN201310625340.9A 2012-11-29 2013-11-28 具有锥形侧屏蔽侧壁的数据写入器 Expired - Fee Related CN103854665B (zh)

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
CN103854665A CN103854665A (zh) 2014-06-11
CN103854665B true CN103854665B (zh) 2018-04-10

Family

ID=49641676

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310625340.9A Expired - Fee Related CN103854665B (zh) 2012-11-29 2013-11-28 具有锥形侧屏蔽侧壁的数据写入器

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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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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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
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Also Published As

Publication number Publication date
KR20140070469A (ko) 2014-06-10
JP2014112455A (ja) 2014-06-19
EP2738764B1 (en) 2017-05-10
KR101524527B1 (ko) 2015-06-02
CN103854665A (zh) 2014-06-11
US8830625B2 (en) 2014-09-09
US20140376131A1 (en) 2014-12-25
US9218824B2 (en) 2015-12-22
JP6013309B2 (ja) 2016-10-25
US20140146417A1 (en) 2014-05-29
EP2738764A1 (en) 2014-06-04

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Granted publication date: 20180410