JP2014093118A5 - - Google Patents

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Publication number
JP2014093118A5
JP2014093118A5 JP2013225355A JP2013225355A JP2014093118A5 JP 2014093118 A5 JP2014093118 A5 JP 2014093118A5 JP 2013225355 A JP2013225355 A JP 2013225355A JP 2013225355 A JP2013225355 A JP 2013225355A JP 2014093118 A5 JP2014093118 A5 JP 2014093118A5
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JP
Japan
Prior art keywords
magnetic
abs
current
bearing surface
air bearing
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.)
Granted
Application number
JP2013225355A
Other languages
English (en)
Japanese (ja)
Other versions
JP6121876B2 (ja
JP2014093118A (ja
Filing date
Publication date
Priority claimed from US13/665,505 external-priority patent/US8824107B2/en
Application filed filed Critical
Publication of JP2014093118A publication Critical patent/JP2014093118A/ja
Publication of JP2014093118A5 publication Critical patent/JP2014093118A5/ja
Application granted granted Critical
Publication of JP6121876B2 publication Critical patent/JP6121876B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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JP2013225355A 2012-10-31 2013-10-30 電流集中特性を有する磁気スタック Active JP6121876B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/665,505 2012-10-31
US13/665,505 US8824107B2 (en) 2012-10-31 2012-10-31 Magnetic element with current constriction feature

Publications (3)

Publication Number Publication Date
JP2014093118A JP2014093118A (ja) 2014-05-19
JP2014093118A5 true JP2014093118A5 (enExample) 2015-04-30
JP6121876B2 JP6121876B2 (ja) 2017-04-26

Family

ID=49517327

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013225355A Active JP6121876B2 (ja) 2012-10-31 2013-10-30 電流集中特性を有する磁気スタック

Country Status (5)

Country Link
US (1) US8824107B2 (enExample)
EP (1) EP2728579B1 (enExample)
JP (1) JP6121876B2 (enExample)
KR (1) KR101536634B1 (enExample)
CN (1) CN103794223B (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140268417A1 (en) * 2013-03-16 2014-09-18 Seagate Technology Llc Bottom shield stabilized magnetic seed layer
US9406320B2 (en) * 2014-08-20 2016-08-02 HGST Netherlands B.V. Scissor unidirectional biasing with hard bias stabilized soft bias
US9378761B1 (en) 2015-04-22 2016-06-28 HGST Netherlands B.V. System for adjusting bias of relative magnetizations of ferromagnetic layers in a magnetoresistive sensor
US9472216B1 (en) * 2015-09-23 2016-10-18 Western Digital (Fremont), Llc Differential dual free layer magnetic reader
US11514933B1 (en) * 2021-08-10 2022-11-29 Western Digital Technologies, Inc. Method to enhance magnetic strength and robustness of rear hard bias for dual free layer read

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5515221A (en) 1994-12-30 1996-05-07 International Business Machines Corporation Magnetically stable shields for MR head
JP2001006130A (ja) 1999-06-24 2001-01-12 Tdk Corp トンネル磁気抵抗効果型ヘッド
US6456467B1 (en) 2000-03-31 2002-09-24 Seagate Technology Llc Laminated shields with antiparallel magnetizations
JP2003069109A (ja) * 2001-08-30 2003-03-07 Sony Corp 磁気抵抗効果型磁気センサ、磁気抵抗効果型磁気ヘッド、磁気再生装置と、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の製造方法
CN1299257C (zh) * 2002-03-20 2007-02-07 富士通株式会社 电流垂直于平面结构的磁电阻元件
JP4065787B2 (ja) * 2002-08-30 2008-03-26 株式会社日立グローバルストレージテクノロジーズ 磁気ヘッドおよび磁気記録再生装置
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
US8149546B2 (en) 2007-10-26 2012-04-03 Tdk Corporation Magnetic field detecting element including tri-layer stack with stepped portion
US8098463B2 (en) * 2008-07-30 2012-01-17 Hitachi Global Storage Technologies Netherlands, B.V. Current perpendicular to plane magnetoresistance read head design using a current confinement structure proximal to an air bearing surface
US7974047B2 (en) * 2008-09-02 2011-07-05 Hitachi Global Storage Technologies Netherlands, B.V. Current perpendicular to plane differential magnetoresistance read head design using a current confinement structure proximal to an air bearing surface
US8659855B2 (en) * 2010-03-19 2014-02-25 Seagate Technology Llc Trilayer reader with current constraint at the ABS
US8089734B2 (en) * 2010-05-17 2012-01-03 Tdk Corporation Magnetoresistive element having a pair of side shields
US8289660B2 (en) * 2010-06-16 2012-10-16 Seagate Technology Llc Auxiliary magnetoresistive shield
US8582247B2 (en) * 2011-03-08 2013-11-12 Seagate Technology Llc Magnetic element with increased scissoring angle
US8705212B2 (en) * 2011-04-25 2014-04-22 Seagate Technology Llc Magnetic element with enhanced coupling portion
US8390963B2 (en) * 2011-04-25 2013-03-05 Seagate Technology Llc Trilayer reader with current constraint at the ABS

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