JP5896856B2 - 磁気記録装置およびその製造方法 - Google Patents

磁気記録装置およびその製造方法 Download PDF

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Publication number
JP5896856B2
JP5896856B2 JP2012166263A JP2012166263A JP5896856B2 JP 5896856 B2 JP5896856 B2 JP 5896856B2 JP 2012166263 A JP2012166263 A JP 2012166263A JP 2012166263 A JP2012166263 A JP 2012166263A JP 5896856 B2 JP5896856 B2 JP 5896856B2
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Japan
Prior art keywords
magnetic
less
pole
recording apparatus
koe
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Expired - Fee Related
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JP2012166263A
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English (en)
Japanese (ja)
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JP2013030260A5 (enExample
JP2013030260A (ja
Inventor
閔　泰
泰 閔
力劼 ▲咲▼
力劼 ▲咲▼
民 李
民 李
俊廷 李
俊廷 李
Original Assignee
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 JP2013030260A5 publication Critical patent/JP2013030260A5/ja
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    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/02—Electroplating of selected surface areas
    • C25D5/022—Electroplating of selected surface areas using masking means
    • 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
    • G11B5/3163—Fabrication methods or processes specially adapted for a particular head structure, e.g. using base layers for electroplating, using functional layers for masking, using energy or particle beams for shaping the structure or modifying the properties of the basic layers

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Magnetic Heads (AREA)
JP2012166263A 2011-07-26 2012-07-26 磁気記録装置およびその製造方法 Expired - Fee Related JP5896856B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/136,182 2011-07-26
US13/136,182 US8446689B2 (en) 2011-07-26 2011-07-26 High data rate magnetic writer design

Publications (3)

Publication Number Publication Date
JP2013030260A JP2013030260A (ja) 2013-02-07
JP2013030260A5 JP2013030260A5 (enExample) 2015-09-17
JP5896856B2 true JP5896856B2 (ja) 2016-03-30

Family

ID=47597032

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012166263A Expired - Fee Related JP5896856B2 (ja) 2011-07-26 2012-07-26 磁気記録装置およびその製造方法

Country Status (2)

Country Link
US (1) US8446689B2 (enExample)
JP (1) JP5896856B2 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8947827B1 (en) * 2013-07-24 2015-02-03 HGST Netherlands B.V. Stitched pole having a tapered tip
US9773512B2 (en) * 2014-12-19 2017-09-26 Seagate Technology Llc Storage device head using high magnetic moment material including a rare earth material and a transition metal
US9508364B1 (en) 2015-09-09 2016-11-29 Headway Technologies, Inc. Perpendicular magnetic recording (PMR) writer with hybrid shield layers
US10014021B1 (en) 2017-05-15 2018-07-03 Headway Technologies, Inc. Perpendicular magnetic recording (PMR) write head with patterned leading shield
US10229703B2 (en) 2017-05-15 2019-03-12 Headway Technologies, Inc. PMR write head with patterned leading edge taper
US10102871B1 (en) * 2017-07-26 2018-10-16 Seagate Technology Llc High damping materials in shields and/or write pole
US11377749B1 (en) * 2017-10-17 2022-07-05 Seagate Technology Llc Electrodeposition of high damping magnetic alloys
US11152020B1 (en) 2018-05-14 2021-10-19 Seagate Technology Llc Electrodeposition of thermally stable alloys
US10490210B1 (en) 2019-01-17 2019-11-26 Headway Technologies, Inc. Optimization of high damping shield geometry in perpendicular magnetic recording (PMR) writer
US10699731B1 (en) 2019-01-17 2020-06-30 Headway Technologies, Inc. Permanent magnet assisted magnetic recording
US10916261B1 (en) 2019-11-04 2021-02-09 Headway Technologies, Inc. True one turn (T1T) perpendicular magnetic recording (PMR) writer designs

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5864450A (en) * 1996-10-09 1999-01-26 International Business Machines Corporation NI45FE55 metal-in-gap thin film magnetic head
US6525902B1 (en) * 1998-10-13 2003-02-25 Seagate Technology Llc High areal density thin film magnetic head
US6163442A (en) * 1999-03-15 2000-12-19 International Business Machines Corporation High moment bilayer first pole piece layer of a write head with high magnetic stability for promoting read signal symmetry of a read head
US6317290B1 (en) * 1999-08-31 2001-11-13 Read-Rite Corporation Advance pole trim writer with moment P1 and low apex angle
US6477765B1 (en) * 1999-11-04 2002-11-12 Storage Technology Corporation Method of fabricating a magnetic write transducer
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
US7212379B2 (en) * 2004-03-31 2007-05-01 Hitachi Global Storage Technologies Netherlands B.V. Perpendicular magnetic recording head with flare and taper configurations
US7595959B2 (en) * 2005-06-29 2009-09-29 Seagate Technology Llc Recording heads including a magnetically damped write pole and recording systems including such heads
KR100754393B1 (ko) 2006-01-25 2007-08-31 삼성전자주식회사 연자성 하지층의 댐핑 특성이 조절된 수직 자기 기록 매체
KR100790877B1 (ko) * 2006-06-08 2008-01-03 삼성전자주식회사 고밀도 기록을 위한 수직 자기 기록 헤드
JP2008016102A (ja) * 2006-07-04 2008-01-24 Hitachi Global Storage Technologies Netherlands Bv 磁気記録媒体及び磁気記録再生装置
KR101196732B1 (ko) 2008-02-01 2012-11-07 시게이트 테크놀로지 엘엘씨 수직자기 기록매체
JPWO2011052021A1 (ja) * 2009-10-30 2013-03-14 株式会社東芝 磁気記録装置

Also Published As

Publication number Publication date
US20130027809A1 (en) 2013-01-31
US8446689B2 (en) 2013-05-21
JP2013030260A (ja) 2013-02-07

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