CN101174419B - 带有阻抗调节的电流垂直平面磁致电阻传感器 - Google Patents

带有阻抗调节的电流垂直平面磁致电阻传感器 Download PDF

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Publication number
CN101174419B
CN101174419B CN2007101848338A CN200710184833A CN101174419B CN 101174419 B CN101174419 B CN 101174419B CN 2007101848338 A CN2007101848338 A CN 2007101848338A CN 200710184833 A CN200710184833 A CN 200710184833A CN 101174419 B CN101174419 B CN 101174419B
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CN
China
Prior art keywords
substrate
capacitance
shield
read head
parasitic capacitance
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.)
Expired - Fee Related
Application number
CN2007101848338A
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English (en)
Chinese (zh)
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CN101174419A (zh
Inventor
荒木悟
约翰·康特雷拉斯
克拉斯·B·克拉森
拉莫纳·M·帕特森
戴维·J·西格尔
霍华德·G·佐拉
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HGST Netherlands BV
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Hitachi Global Storage Technologies Inc
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Publication of CN101174419A publication Critical patent/CN101174419A/zh
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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
    • G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Hall/Mr Elements (AREA)
CN2007101848338A 2006-10-30 2007-10-30 带有阻抗调节的电流垂直平面磁致电阻传感器 Expired - Fee Related CN101174419B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/554,469 US7545608B2 (en) 2006-10-30 2006-10-30 Current-perpendicular-to-the-plane (CPP) magnetoresistive sensor with impedance adjustment
US11/554,469 2006-10-30

Publications (2)

Publication Number Publication Date
CN101174419A CN101174419A (zh) 2008-05-07
CN101174419B true CN101174419B (zh) 2010-06-02

Family

ID=39329803

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CN2007101848338A Expired - Fee Related CN101174419B (zh) 2006-10-30 2007-10-30 带有阻抗调节的电流垂直平面磁致电阻传感器

Country Status (3)

Country Link
US (1) US7545608B2 (https=)
JP (1) JP2008112562A (https=)
CN (1) CN101174419B (https=)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7706109B2 (en) * 2005-10-18 2010-04-27 Seagate Technology Llc Low thermal coefficient of resistivity on-slider tunneling magneto-resistive shunt resistor
US7656600B2 (en) * 2006-08-25 2010-02-02 Seagate Technology Llc Monitoring transducer potential to detect an operating condition
US8040632B2 (en) * 2007-12-12 2011-10-18 Samsung Electronics Co., Ltd. Grounding structure of TMR and GMR heads with a flying on-demand heater
US8472146B2 (en) 2010-08-27 2013-06-25 HGST Netherlands B.V. Current perpendicular magnetoresistive sensor with a dummy shield for capacitance balancing
US8824077B2 (en) 2011-11-29 2014-09-02 HGST Netherlands B.V. Perpendicular magnetic recording write head with ladder network compensation circuitry on slider body for write current overshoot at write current switching
US8531800B1 (en) * 2012-11-29 2013-09-10 HGST Netherlands B.V. Magnetic write head having dual parallel capacitors for integrated transmission line compensation
JP5766321B1 (ja) * 2014-03-07 2015-08-19 三菱電機株式会社 Ｔｍｒ磁気センサ、及びその製造方法
US8891189B1 (en) 2014-03-18 2014-11-18 HGST Netherlands B.V. Disk drive with filter compensation integrated in sliders for high-bandwidth read sensors
US9437251B1 (en) 2014-12-22 2016-09-06 Western Digital (Fremont), Llc Apparatus and method having TDMR reader to reader shunts
US12222375B2 (en) 2022-10-31 2025-02-11 Schweitzer Engineering Laboratories, Inc. Folded current sense shunt resistor

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5539598A (en) * 1994-12-08 1996-07-23 International Business Machines Corporation Electrostatic protection for a shielded MR sensor
US5761009A (en) * 1995-06-07 1998-06-02 International Business Machines Corporation Having parastic shield for electrostatic discharge protection
JP3576361B2 (ja) 1997-09-18 2004-10-13 富士通株式会社 磁気抵抗効果型ヘッド及び磁気記録再生装置
JPH11175931A (ja) 1997-12-16 1999-07-02 Nec Corp 磁気抵抗効果型複合ヘッド及び磁気ディスク装置
US6246553B1 (en) * 1998-12-02 2001-06-12 International Business Machines Corporation Shielded magnetoresistive head with charge clamp
US6400534B1 (en) 2000-03-21 2002-06-04 International Business Machines Corporation Resistive shunt ESD and EOS protection for recording heads
US6678127B2 (en) * 2001-01-02 2004-01-13 Hitachi Global Storage Technologies Netherlands B.V. Device and method of reducing ESD damage in thin film read heads which enables measurement of gap resistances and method of making
US6859347B2 (en) 2001-01-04 2005-02-22 Hitachi Global Storage Technologies Netherlands, B.V. Magnetic transducer with electrically conductive shield for reducing electromagnetic interference
US7206154B2 (en) * 2002-09-25 2007-04-17 Hitachi Global Storage Technologies Netherlands, B.V. Method and apparatus for balanced shield shunts, leads and pads for electrical noise reduction in read heads
JP4596753B2 (ja) 2003-06-26 2010-12-15 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
JP2005293762A (ja) 2004-04-02 2005-10-20 Tdk Corp 複合型薄膜磁気ヘッド
US7436633B2 (en) * 2004-10-15 2008-10-14 Tdk Corporation Thin-film magnetic head, head gimbal assembly and hard disk system
US7392579B2 (en) * 2005-03-07 2008-07-01 Headway Technologies, Inc. Method for protecting a slider mounted CPP GMR or TMR read head sensor from noise and ESD damage
JP3922303B1 (ja) * 2005-05-13 2007-05-30 Ｔｄｋ株式会社 複合型薄膜磁気ヘッド、磁気ヘッドアセンブリ及び磁気ディスクドライブ装置
US7375931B2 (en) * 2005-09-30 2008-05-20 Hitachi Global Storage Technologies Netherlands, B.V. Magnetic recording head with ESD shunt trace
US7706109B2 (en) * 2005-10-18 2010-04-27 Seagate Technology Llc Low thermal coefficient of resistivity on-slider tunneling magneto-resistive shunt resistor
US7486476B2 (en) * 2005-12-14 2009-02-03 International Business Machines Corporation Magnetic data system having a shield biasing circuit with resistor coupled between the shield and substrate

Also Published As

Publication number Publication date
CN101174419A (zh) 2008-05-07
JP2008112562A (ja) 2008-05-15
US7545608B2 (en) 2009-06-09
US20080100970A1 (en) 2008-05-01

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Owner name: HGST NETHERLANDS BV

Free format text: FORMER NAME: HITACHI GLOBAL STORAGE TECH

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Granted publication date: 20100602

Termination date: 20151030

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