JP2008112562A5 - - Google Patents
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- Publication number
- JP2008112562A5 JP2008112562A5 JP2007277823A JP2007277823A JP2008112562A5 JP 2008112562 A5 JP2008112562 A5 JP 2008112562A5 JP 2007277823 A JP2007277823 A JP 2007277823A JP 2007277823 A JP2007277823 A JP 2007277823A JP 2008112562 A5 JP2008112562 A5 JP 2008112562A5
- Authority
- JP
- Japan
- Prior art keywords
- substrate
- shield
- read head
- disposed
- 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.)
- Pending
Links
- 239000000758 substrate Substances 0.000 claims 24
- 239000000463 material Substances 0.000 claims 14
- 239000002184 metal Substances 0.000 claims 6
- 230000003071 parasitic effect Effects 0.000 claims 6
- 239000004020 conductor Substances 0.000 claims 3
- 150000004767 nitrides Chemical class 0.000 claims 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 2
- 239000012777 electrically insulating material Substances 0.000 claims 2
- 229910052814 silicon oxide Inorganic materials 0.000 claims 2
- 230000005641 tunneling Effects 0.000 claims 1
Applications Claiming Priority (1)
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2008112562A JP2008112562A (ja) | 2008-05-15 |
| JP2008112562A5 true JP2008112562A5 (https=) | 2010-10-28 |
Family
ID=39329803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007277823A Pending JP2008112562A (ja) | 2006-10-30 | 2007-10-25 | インピーダンス調整機能を有する膜面に垂直に電流を流す（ｃｐｐ）磁気抵抗センサ |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7545608B2 (https=) |
| JP (1) | JP2008112562A (https=) |
| CN (1) | CN101174419B (https=) |
Families Citing this family (10)
| 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)
| 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 |
-
2006
- 2006-10-30 US US11/554,469 patent/US7545608B2/en not_active Expired - Fee Related
-
2007
- 2007-10-25 JP JP2007277823A patent/JP2008112562A/ja active Pending
- 2007-10-30 CN CN2007101848338A patent/CN101174419B/zh not_active Expired - Fee Related
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