CN104424960A - 双读取器结构 - Google Patents

双读取器结构 Download PDF

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Publication number
CN104424960A
CN104424960A CN201410427922.0A CN201410427922A CN104424960A CN 104424960 A CN104424960 A CN 104424960A CN 201410427922 A CN201410427922 A CN 201410427922A CN 104424960 A CN104424960 A CN 104424960A
Authority
CN
China
Prior art keywords
shielding part
sensor
side shield
reader
lamination
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.)
Pending
Application number
CN201410427922.0A
Other languages
English (en)
Chinese (zh)
Inventor
V·B·萨波日尼科夫
M·S·U·帕特瓦瑞
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 CN104424960A publication Critical patent/CN104424960A/zh
Pending legal-status Critical Current

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
    • G11B5/33—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
    • G11B5/3945—Heads comprising more than one sensitive element
    • G11B5/3948—Heads comprising more than one sensitive element the sensitive elements being active read-out elements
    • G11B5/3951—Heads comprising more than one sensitive element the sensitive elements being active read-out elements the active elements being arranged on several parallel planes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
CN201410427922.0A 2013-08-28 2014-08-27 双读取器结构 Pending CN104424960A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/012,819 US9190082B2 (en) 2013-08-28 2013-08-28 Dual reader structure
US14/012,819 2013-08-28

Publications (1)

Publication Number Publication Date
CN104424960A true CN104424960A (zh) 2015-03-18

Family

ID=52582907

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410427922.0A Pending CN104424960A (zh) 2013-08-28 2014-08-27 双读取器结构

Country Status (4)

Country Link
US (1) US9190082B2 (enExample)
JP (1) JP2015046214A (enExample)
KR (1) KR101636501B1 (enExample)
CN (1) CN104424960A (enExample)

Cited By (1)

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CN108698046A (zh) * 2016-02-01 2018-10-23 斯堪的纳维亚微生物制剂公司 微流体分析系统、微流体盒和进行分析的方法

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US9406321B2 (en) * 2014-02-27 2016-08-02 Seagate Technology Llc Read head with multiple reader stacks
JP6309796B2 (ja) * 2014-03-20 2018-04-11 株式会社東芝 磁気ヘッド、磁気記録再生装置、および磁気ヘッドの製造方法
US9401163B2 (en) 2014-07-03 2016-07-26 Seagate Technology Llc Multi-stack reader with split middle shield
US9361910B2 (en) 2014-07-03 2016-06-07 Seagate Technology Llc Leads coupled to top and bottom reader stacks of a reader
US9269383B1 (en) * 2015-01-23 2016-02-23 HGST Netherlands B.V. Multi-sensor (MIMO) head having a back side antiferromagnetic middle shield
US9299370B1 (en) * 2015-03-11 2016-03-29 HGST Netherlands B.V. MIMO read head with soft bias and split shield
US9390735B1 (en) * 2015-03-31 2016-07-12 Seagate Technology Llc Data reader side shield with differing stripe heights
US9536549B1 (en) * 2015-08-14 2017-01-03 Seagate Technology Llc Multiple sensor magnetic reproducing device with reduced inter-sensor spacing
US9552834B1 (en) * 2015-09-28 2017-01-24 Seagate Technology Llc Stabilization of one or more upper sensors in multi-sensor readers
US9824703B2 (en) * 2016-02-18 2017-11-21 Kabushiki Kaisha Toshiba Magnetic recording and reproducing device having magnetic head with first and second reproducing element portions and magnetic reproducing method
US9870791B1 (en) * 2016-04-15 2018-01-16 Seagate Technology Llc Stabilization of one or more upper sensors in multi-sensor readers
US9747931B1 (en) 2016-08-16 2017-08-29 International Business Machines Corporation Tunnel magnetoresistive sensor having stabilized magnetic shield and dielectric gap sensor
US10586562B1 (en) 2017-01-13 2020-03-10 Seagate Technology Llc Read head having sensors with conflicting design characteristics
US11631424B1 (en) 2022-03-03 2023-04-18 Seagate Technology Llc Dual reader controller
US12322420B2 (en) 2022-11-01 2025-06-03 Western Digital Technologies, Inc. Middle shields two-dimensional magnetic recording read heads
JP2024160728A (ja) * 2023-05-02 2024-11-15 株式会社東芝 磁気ヘッド、及び、磁気記録装置

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US20120087046A1 (en) * 2010-10-08 2012-04-12 Tdk Corporation Thin film magnetic head including soft layer magnetically connected with shield

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JP3849460B2 (ja) * 2001-05-29 2006-11-22 ソニー株式会社 磁気抵抗効果素子、磁気抵抗効果型磁気センサ、および磁気抵抗効果型磁気ヘッド
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JP3648504B2 (ja) * 2002-09-06 2005-05-18 株式会社東芝 磁気抵抗効果素子、磁気ヘッドおよび磁気再生装置
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US8437105B2 (en) * 2009-07-08 2013-05-07 Seagate Technology Llc Magnetic sensor with composite magnetic shield
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
US8797692B1 (en) * 2012-09-07 2014-08-05 Western Digital (Fremont), Llc Magnetic recording sensor with AFM exchange coupled shield stabilization
US8630069B1 (en) * 2012-10-04 2014-01-14 HGST Netherlands B.V. Magnetic shield having improved resistance to the hard bias magnetic field
US8576518B1 (en) * 2012-10-30 2013-11-05 HGST Netherlands B.V. Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sensor with exchange-coupled side shield structure
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US8749926B1 (en) * 2012-11-30 2014-06-10 HGST Netherlands B.V. Scissor magnetic read head with wrap-around magnetic shield
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US8638530B1 (en) * 2013-02-20 2014-01-28 HGST Netherlands B.V. Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sensor having a top shield with an antiparallel structure
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US8780506B1 (en) * 2013-06-20 2014-07-15 HGST Netherlands B.V. Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sensor with side shields and an antiparallel structure top shield

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4179720A (en) * 1976-05-13 1979-12-18 Fujitsu Limited Magnetic recorded information reproducing apparatus
CN101447550A (zh) * 2007-11-28 2009-06-03 Tdk株式会社 Cpp型磁阻效应元件和磁盘装置
US20120087046A1 (en) * 2010-10-08 2012-04-12 Tdk Corporation Thin film magnetic head including soft layer magnetically connected with shield

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108698046A (zh) * 2016-02-01 2018-10-23 斯堪的纳维亚微生物制剂公司 微流体分析系统、微流体盒和进行分析的方法
CN108698046B (zh) * 2016-02-01 2021-10-22 硕腾丹麦公司 微流体分析系统、微流体盒和进行分析的方法
US11400449B2 (en) 2016-02-01 2022-08-02 Zoetis Denmark Aps Microfluidic assay system, a microfluidic cartridge and a method of performing an assay

Also Published As

Publication number Publication date
KR20150026912A (ko) 2015-03-11
JP2015046214A (ja) 2015-03-12
US9190082B2 (en) 2015-11-17
KR101636501B1 (ko) 2016-07-06
US20150062755A1 (en) 2015-03-05

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Application publication date: 20150318

RJ01 Rejection of invention patent application after publication