KR101585047B1 - 연마 정지를 갖는 데이터 리더 사이드 실드들 - Google Patents

연마 정지를 갖는 데이터 리더 사이드 실드들 Download PDF

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Publication number
KR101585047B1
KR101585047B1 KR1020140026618A KR20140026618A KR101585047B1 KR 101585047 B1 KR101585047 B1 KR 101585047B1 KR 1020140026618 A KR1020140026618 A KR 1020140026618A KR 20140026618 A KR20140026618 A KR 20140026618A KR 101585047 B1 KR101585047 B1 KR 101585047B1
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KR
South Korea
Prior art keywords
data reader
stop layer
polishing
side shield
magnetic
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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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KR1020140026618A
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English (en)
Korean (ko)
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KR20140112406A (ko
Inventor
숀 에릭 맥킨레이
에릭 더블유. 싱글턴
캐롤린 피처 반 돈
레벤트 코락
투-반 티 응위옌
Original Assignee
시게이트 테크놀로지 엘엘씨
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Publication of KR20140112406A publication Critical patent/KR20140112406A/ko
Application granted granted Critical
Publication of KR101585047B1 publication Critical patent/KR101585047B1/ko
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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
    • G11B5/3163—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
    • 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
    • G11B5/112—Manufacture of shielding device
    • 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
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
    • G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
    • G11B5/3906—Details related to the use of magnetic thin film layers or to their effects
    • G11B5/3912—Arrangements in which the active read-out elements are transducing in association with active magnetic shields, e.g. magnetically coupled shields

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
KR1020140026618A 2013-03-13 2014-03-06 연마 정지를 갖는 데이터 리더 사이드 실드들 Expired - Fee Related KR101585047B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/800,222 2013-03-13
US13/800,222 US9030782B2 (en) 2013-03-13 2013-03-13 Data reader side shields with polish stop

Publications (2)

Publication Number Publication Date
KR20140112406A KR20140112406A (ko) 2014-09-23
KR101585047B1 true KR101585047B1 (ko) 2016-01-13

Family

ID=50277016

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020140026618A Expired - Fee Related KR101585047B1 (ko) 2013-03-13 2014-03-06 연마 정지를 갖는 데이터 리더 사이드 실드들

Country Status (5)

Country Link
US (1) US9030782B2 (enExample)
EP (1) EP2779166B1 (enExample)
JP (1) JP5992940B2 (enExample)
KR (1) KR101585047B1 (enExample)
CN (1) CN104050989B (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9679591B1 (en) * 2015-12-01 2017-06-13 HGST Netherlands B.V. Magnetic scissor sensor with closed-loop side shield
CN107968094A (zh) * 2017-11-21 2018-04-27 长江存储科技有限责任公司 一种用于3d nand闪存的台阶结构成形工艺
US10614838B2 (en) * 2018-08-23 2020-04-07 Seagate Technology Llc Reader with side shields decoupled from a top shield

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060256482A1 (en) * 2005-05-10 2006-11-16 Hitachi Global Storage Technologies Netherlands, B.V. Method to fabricate side shields for a magnetic sensor
JP2009181611A (ja) * 2008-01-29 2009-08-13 Tdk Corp 熱アシスト磁気ヘッドの製造方法
US20110051291A1 (en) * 2009-08-31 2011-03-03 Tdk Corporation CPP-type thin film magnetic head provided with side shields

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7024756B2 (en) 2003-07-30 2006-04-11 Hitachi Global Storage Technologies Netherlands, B.V. Method of making a perpendicular recording magnetic head pole tip with an etchable adhesion CMP stop layer
US7271982B2 (en) 2004-02-13 2007-09-18 Hitachi Global Storage Technologies Netherlands B.V. Perpendicular magnetic recording head built using an air-bearing surface damascene process
US7440229B2 (en) 2004-06-18 2008-10-21 Headway Technologies, Inc. Thin-film magnetic head having a write shield layer
US7446979B2 (en) * 2004-09-30 2008-11-04 Hitachi Global Storage Technologies Netherlands B.V. Laminated draped shield for CPP read sensors
JP4150029B2 (ja) * 2004-10-07 2008-09-17 ヘッドウェイテクノロジーズ インコーポレイテッド 垂直磁気記録用磁気ヘッドの製造方法
JP2006179051A (ja) * 2004-12-21 2006-07-06 Hitachi Global Storage Technologies Netherlands Bv 磁気抵抗センサ及びその製造方法
JP2006344728A (ja) * 2005-06-08 2006-12-21 Alps Electric Co Ltd 磁気検出素子及びその製造方法
JP2007080356A (ja) * 2005-09-13 2007-03-29 Hitachi Global Storage Technologies Netherlands Bv 磁気ヘッド及びその製造方法
US7639456B2 (en) * 2005-10-06 2009-12-29 Hitachi Global Storage Technologies Netherlands B.V. Double mill process for patterning current perpendicular to plane (CPP) magnetoresistive devices to minimize barrier shorting and barrier damage
US7663846B2 (en) * 2005-12-07 2010-02-16 Hitachi Global Storage Technologies Netherlands B. V. Magnetoresistive sensor having an enhanced lead overlay design and shape enhanced pinning
US7843665B2 (en) * 2006-09-11 2010-11-30 Headway Technologies, Inc. Perpendicular magnetic recording head with nonmagnetic metal layer even with top face of pole layer
US7688546B1 (en) 2006-12-21 2010-03-30 Western Digital (Fremont), Llc Perpendicular magnetic recording head having nonmagnetic insertion layers
US7869165B2 (en) * 2007-07-30 2011-01-11 Tdk Corporation Magnetic field detecting element having stack with a plurality of free layers and side shield layers
JP2009238261A (ja) * 2008-03-26 2009-10-15 Fujitsu Ltd 再生磁気ヘッド及びその製造方法
US8166631B1 (en) 2008-08-27 2012-05-01 Western Digital (Fremont), Llc Method for fabricating a magnetic recording transducer having side shields
US8231796B1 (en) 2008-12-09 2012-07-31 Western Digital (Fremont), Llc Method and system for providing a magnetic recording transducer having side shields
US8089734B2 (en) * 2010-05-17 2012-01-03 Tdk Corporation Magnetoresistive element having a pair of side shields
US20120063034A1 (en) * 2010-09-13 2012-03-15 Hitachi Global Storage Technologies Netherlands B.V. Current-perpendicular-to-the-plane (cpp) magnetoresistive (mr) sensor with improved insulating structure
US8437106B2 (en) * 2010-10-08 2013-05-07 Tdk Corporation Thin film magnetic head including spin-valve film with free layer magnetically connected with shield
US8462467B2 (en) * 2010-10-08 2013-06-11 Tdk Corporation Thin film magnetic head including soft layer magnetically connected with shield
US20120250189A1 (en) * 2011-03-29 2012-10-04 Tdk Corporation Magnetic head including side shield layers on both sides of a mr element
US8922950B2 (en) * 2011-05-06 2014-12-30 Seagate Technology Llc Multi-layer magnetoresistive shield with transition metal layer
US8786988B2 (en) * 2012-05-15 2014-07-22 HGST Netherlands B.V. Read sensor having a structure for reducing magnetic coupling between a magnetic bias layer and an upper magnetic shield
US8749926B1 (en) * 2012-11-30 2014-06-10 HGST Netherlands B.V. Scissor magnetic read head with wrap-around magnetic shield
US8760820B1 (en) * 2012-11-30 2014-06-24 Seagate Technology Llc Magnetic element with coupled side shield

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060256482A1 (en) * 2005-05-10 2006-11-16 Hitachi Global Storage Technologies Netherlands, B.V. Method to fabricate side shields for a magnetic sensor
JP2009181611A (ja) * 2008-01-29 2009-08-13 Tdk Corp 熱アシスト磁気ヘッドの製造方法
US20110051291A1 (en) * 2009-08-31 2011-03-03 Tdk Corporation CPP-type thin film magnetic head provided with side shields

Also Published As

Publication number Publication date
JP2014179156A (ja) 2014-09-25
CN104050989A (zh) 2014-09-17
US9030782B2 (en) 2015-05-12
US20140268422A1 (en) 2014-09-18
CN104050989B (zh) 2018-10-02
JP5992940B2 (ja) 2016-09-14
EP2779166B1 (en) 2017-07-26
EP2779166A3 (en) 2015-10-14
EP2779166A2 (en) 2014-09-17
KR20140112406A (ko) 2014-09-23

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