MY156154A - Shield stabilization configuration with applied bias - Google Patents

Shield stabilization configuration with applied bias

Info

Publication number
MY156154A
MY156154A MYPI2012002881A MYPI2012002881A MY156154A MY 156154 A MY156154 A MY 156154A MY PI2012002881 A MYPI2012002881 A MY PI2012002881A MY PI2012002881 A MYPI2012002881 A MY PI2012002881A MY 156154 A MY156154 A MY 156154A
Authority
MY
Malaysia
Prior art keywords
shield
applied bias
stabilization configuration
shield stabilization
configuration
Prior art date
Application number
MYPI2012002881A
Other languages
English (en)
Inventor
Eric Walter Singleton
Junjie Quan
Jae-Young Yi
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 MY156154A publication Critical patent/MY156154A/en

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
    • G11B5/10—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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
    • G01R33/09—Magnetoresistive devices
    • G01R33/093—Magnetoresistive devices using multilayer structures, e.g. giant magnetoresistance sensors
    • 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
    • G11B5/398—Specially shaped layers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N50/00—Galvanomagnetic devices
    • H10N50/01—Manufacture or treatment
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N50/00—Galvanomagnetic devices
    • H10N50/10—Magnetoresistive devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Heads (AREA)
  • Hall/Mr Elements (AREA)
  • Measuring Magnetic Variables (AREA)
MYPI2012002881A 2011-06-23 2012-06-22 Shield stabilization configuration with applied bias MY156154A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/167,142 US20120327537A1 (en) 2011-06-23 2011-06-23 Shield Stabilization Configuration With Applied Bias

Publications (1)

Publication Number Publication Date
MY156154A true MY156154A (en) 2016-01-15

Family

ID=47361623

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2012002881A MY156154A (en) 2011-06-23 2012-06-22 Shield stabilization configuration with applied bias

Country Status (3)

Country Link
US (2) US20120327537A1 (enExample)
JP (1) JP5798089B2 (enExample)
MY (1) MY156154A (enExample)

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* Cited by examiner, † Cited by third party
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US8630069B1 (en) * 2012-10-04 2014-01-14 HGST Netherlands B.V. Magnetic shield having improved resistance to the hard bias magnetic field
US9593696B2 (en) 2013-02-27 2017-03-14 Woodward, Inc. Rotary piston type actuator with hydraulic supply
US20140268417A1 (en) 2013-03-16 2014-09-18 Seagate Technology Llc Bottom shield stabilized magnetic seed layer
US9478239B2 (en) * 2013-06-27 2016-10-25 Seagate Technology Llc Reader structure with barrier layer contacting shield
US9691417B1 (en) 2013-06-28 2017-06-27 Seagate Technology Llc Magnetoresistive sensor having a synthetic antiferromagnetic bottom shield
US9251815B2 (en) * 2013-06-28 2016-02-02 Seagate Technology Llc Magnetoresistive sensor with AFM-stabilized bottom shield
US9153250B2 (en) 2013-07-31 2015-10-06 Seagate Technology Llc Magnetoresistive sensor
US9230575B2 (en) 2013-12-13 2016-01-05 Seagate Technology Llc Magnetoresistive sensor with SAF structure having crystalline layer and amorphous layer
US9183858B2 (en) * 2014-01-28 2015-11-10 HGST Netherlands B.V. Dual capping layer utilized in a magnetoresistive effect sensor
US9047893B1 (en) * 2014-01-31 2015-06-02 HGST Netherlands B.V. Magnetic sensor having narrow trackwidth and small read gap
US9513349B2 (en) * 2014-02-06 2016-12-06 HGST Netherlands B.V. Scissor type magnetic sensor with high magnetic moment bias structure for reduced signal asymmetry
US9368136B2 (en) * 2014-02-27 2016-06-14 Seagate Technology Llc Magnetoresistive sensor having synthetic antiferromagnetic layer in top and bottom shields
US9633679B2 (en) 2014-05-06 2017-04-25 Seagate Technology Llc Sensor stack structure with RKKY coupling layer between free layer and capping layer
US9412401B2 (en) 2014-05-13 2016-08-09 Seagate Technology Llc Data reader magnetic shield with CoFeNiB material
US9230576B1 (en) * 2014-09-08 2016-01-05 HGST Netherlands B.V. Scissor reader with side shield decoupled from bias material
US9269381B1 (en) 2014-09-15 2016-02-23 Seagate Technology Llc Sensor structure having layer with high magnetic moment
US9454979B1 (en) * 2014-11-14 2016-09-27 Seagate Technology Llc Sensor structure with multilayer top shield
US9653102B1 (en) * 2014-12-19 2017-05-16 Seagate Technology Llc Data reader with pinned front shield
US10074387B1 (en) 2014-12-21 2018-09-11 Western Digital (Fremont), Llc Method and system for providing a read transducer having symmetric antiferromagnetically coupled shields
US20160365104A1 (en) * 2015-06-15 2016-12-15 Seagate Technology Llc Magnetoresistive sensor fabrication
US9646639B2 (en) 2015-06-26 2017-05-09 Western Digital (Fremont), Llc Heat assisted magnetic recording writer having integrated polarization rotation waveguides
US9685177B2 (en) * 2015-07-08 2017-06-20 Seagate Technology Llc Sensor stabilization in a multiple sensor magnetic reproducing device
US9601138B1 (en) * 2015-09-09 2017-03-21 Headway Technologies, Inc. Bias layer and shield biasing design
US9666214B1 (en) * 2015-09-23 2017-05-30 Western Digital (Fremont), Llc Free layer magnetic reader that may have a reduced shield-to-shield spacing
US9947344B2 (en) * 2016-04-12 2018-04-17 International Business Machines Corporation Stabilizing layered structure for magnetic tape heads
US10068601B1 (en) * 2016-08-09 2018-09-04 Western Digital (Fremont), Llc Free layer only magnetic reader that may have a reduced shield-to-shield spacing and a multilayer side bias
US10559412B2 (en) * 2017-12-07 2020-02-11 Tdk Corporation Magnetoresistance effect device
US10522173B1 (en) * 2018-06-13 2019-12-31 Headway Technologies, Inc. Magnetic read head structure with improved bottom shield design for better reader performance

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JPH1091920A (ja) * 1996-09-11 1998-04-10 Nec Corp 磁気抵抗効果型ヘッド
JPH11134620A (ja) * 1997-10-30 1999-05-21 Nec Corp 強磁性トンネル接合素子センサ及びその製造方法
US6597545B2 (en) 2000-05-25 2003-07-22 Seagate Technology Llc Shield design for magnetoresistive sensor
JP3950045B2 (ja) 2000-07-13 2007-07-25 シーゲイト テクノロジー エルエルシー 磁気変換器のシールドにおける磁区制御
JP2003303406A (ja) * 2002-04-08 2003-10-24 Hitachi Ltd 磁気抵抗効果ヘッド及び磁気ヘッド
US6930865B2 (en) 2002-05-14 2005-08-16 Seagate Technology Llc Magnetoresistive read sensor with short permanent magnets
JP4051271B2 (ja) * 2002-11-26 2008-02-20 株式会社日立グローバルストレージテクノロジーズ 磁気記録ヘッド及び磁気記録再生装置
JP2004334921A (ja) * 2003-04-30 2004-11-25 Sony Corp 磁気抵抗効果型磁気ヘッド
US7782574B1 (en) 2005-04-11 2010-08-24 Seagate Technology Llc Magnetic heads disk drives and methods with thicker read shield structures for reduced stray field sensitivity
US7177122B2 (en) 2003-10-27 2007-02-13 Seagate Technology Llc Biasing for tri-layer magnetoresistive sensors
JP2005203063A (ja) * 2004-01-19 2005-07-28 Hitachi Global Storage Technologies Netherlands Bv 磁気ヘッド及び磁気記録再生装置
JP4008456B2 (ja) * 2005-04-27 2007-11-14 Ｔｄｋ株式会社 磁界検出センサ、薄膜磁気ヘッド、薄膜磁気ヘッドのウエハ、ヘッドジンバルアセンブリ、およびハードディスク装置
US7918014B2 (en) * 2005-07-13 2011-04-05 Headway Technologies, Inc. Method of manufacturing a CPP structure with enhanced GMR ratio
US7606007B2 (en) * 2006-02-17 2009-10-20 Hitachi Global Storage Technologies Netherlands B.V. Shield stabilization for magnetoresistive sensors
US7974048B2 (en) * 2007-11-28 2011-07-05 Tdk Corporation Magneto-resistive effect device of CPP type having shield layers coupled with ferromagnetic layers
US9442171B2 (en) 2008-01-09 2016-09-13 Seagate Technology Llc Magnetic sensing device with reduced shield-to-shield spacing
US7881023B2 (en) * 2008-01-24 2011-02-01 Tdk Corporation Magnetoresistive device of the CPP type, and magnetic disk system
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US8477461B2 (en) * 2008-07-29 2013-07-02 Tdk Corporation Thin film magnetic head having a pair of magnetic layers whose magnetization is controlled by shield layers
US8189303B2 (en) * 2008-08-12 2012-05-29 Tdk Corporation Thin film magnetic head having a pair of magnetic layers whose magnetization is controlled by shield layers
US20100067148A1 (en) * 2008-09-16 2010-03-18 Tdk Corporation Thin film magnetic head having a pair of magnetic layers whose magnetization is controlled by shield layers
US8049997B2 (en) * 2008-09-29 2011-11-01 Tdk Corporation Magnetoresistive element including a pair of free layers coupled to a pair of shield layers
US8023230B2 (en) * 2008-10-27 2011-09-20 Tdk Corporation Magnetoresistive element including a pair of ferromagnetic layers coupled to a pair of shield layers
US7615996B1 (en) * 2009-01-21 2009-11-10 Tdk Corporation Examination method for CPP-type magnetoresistance effect element having two free layers
US8320075B2 (en) 2009-01-27 2012-11-27 Seagate Technology Llc Biasing structure for write element domain control in a magnetic writer
US8194360B2 (en) 2009-02-24 2012-06-05 Seagate Technology Llc Domain control in bottom shield of MR sensor
US8369048B2 (en) * 2009-08-31 2013-02-05 Tdk Corporation CPP-type thin film magnetic head provided with side shields including a pair of antimagnetically exchanged-coupled side shield magnetic layers
US8179642B2 (en) * 2009-09-22 2012-05-15 Tdk Corporation Magnetoresistive effect element in CPP structure and magnetic disk device
US8130475B2 (en) * 2009-10-20 2012-03-06 Tdk Corporation Method for manufacturing CPP-type thin film magnetic head provided with a pair of magnetically free layers
US8089734B2 (en) * 2010-05-17 2012-01-03 Tdk Corporation Magnetoresistive element having a pair of side shields
US8462467B2 (en) * 2010-10-08 2013-06-11 Tdk Corporation Thin film magnetic head including soft layer magnetically connected with 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
US8451567B2 (en) * 2010-12-13 2013-05-28 Headway Technologies, Inc. High resolution magnetic read head using top exchange biasing and/or lateral hand biasing of the free layer
US20120250189A1 (en) * 2011-03-29 2012-10-04 Tdk Corporation Magnetic head including side shield layers on both sides of a mr element

Also Published As

Publication number Publication date
US20140104729A1 (en) 2014-04-17
JP5798089B2 (ja) 2015-10-21
JP2013008439A (ja) 2013-01-10
US20120327537A1 (en) 2012-12-27
US9001472B2 (en) 2015-04-07

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