JP2002367124A5 - - Google Patents
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- Publication number
- JP2002367124A5 JP2002367124A5 JP2001177925A JP2001177925A JP2002367124A5 JP 2002367124 A5 JP2002367124 A5 JP 2002367124A5 JP 2001177925 A JP2001177925 A JP 2001177925A JP 2001177925 A JP2001177925 A JP 2001177925A JP 2002367124 A5 JP2002367124 A5 JP 2002367124A5
- Authority
- JP
- Japan
- Prior art keywords
- layer
- magnetic
- ferromagnetic
- magnetization
- domain
- 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
- 230000005291 magnetic effect Effects 0.000 claims 76
- 230000005294 ferromagnetic effect Effects 0.000 claims 36
- 230000005415 magnetization Effects 0.000 claims 22
- 238000000926 separation method Methods 0.000 claims 12
- 238000010168 coupling process Methods 0.000 claims 8
- 238000005859 coupling reaction Methods 0.000 claims 8
- 230000005290 antiferromagnetic effect Effects 0.000 claims 6
- 230000008878 coupling Effects 0.000 claims 6
- 229910052735 hafnium Inorganic materials 0.000 claims 6
- 229910052758 niobium Inorganic materials 0.000 claims 6
- 239000000203 mixture Substances 0.000 claims 5
- 229910052719 titanium Inorganic materials 0.000 claims 5
- 229910052721 tungsten Inorganic materials 0.000 claims 5
- 229910052802 copper Inorganic materials 0.000 claims 4
- 229910052737 gold Inorganic materials 0.000 claims 4
- 229910052741 iridium Inorganic materials 0.000 claims 4
- 230000005381 magnetic domain Effects 0.000 claims 4
- 229910052697 platinum Inorganic materials 0.000 claims 4
- 229910052702 rhenium Inorganic materials 0.000 claims 4
- 229910052707 ruthenium Inorganic materials 0.000 claims 4
- 229910052709 silver Inorganic materials 0.000 claims 4
- 239000002184 metal Substances 0.000 claims 3
- 229910052751 metal Inorganic materials 0.000 claims 3
- 230000000694 effects Effects 0.000 claims 2
- 238000010030 laminating Methods 0.000 claims 2
- 239000004065 semiconductor Substances 0.000 claims 2
- 229910052715 tantalum Inorganic materials 0.000 claims 2
- 229910052742 iron Inorganic materials 0.000 claims 1
- 229910052748 manganese Inorganic materials 0.000 claims 1
- 229910052759 nickel Inorganic materials 0.000 claims 1
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001177925A JP2002367124A (ja) | 2001-06-13 | 2001-06-13 | スピンバルブ型磁気ヘッド |
| KR1020020009042A KR20020095037A (ko) | 2001-06-13 | 2002-02-20 | 폐자로 자구 제어막을 포함하는 스핀 밸브 헤드 |
| US10/077,854 US6937449B2 (en) | 2001-06-13 | 2002-02-20 | Spin-valve head containing closed-flux-structure domain control films |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001177925A JP2002367124A (ja) | 2001-06-13 | 2001-06-13 | スピンバルブ型磁気ヘッド |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002367124A JP2002367124A (ja) | 2002-12-20 |
| JP2002367124A5 true JP2002367124A5 (enExample) | 2005-10-20 |
Family
ID=19018700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001177925A Pending JP2002367124A (ja) | 2001-06-13 | 2001-06-13 | スピンバルブ型磁気ヘッド |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6937449B2 (enExample) |
| JP (1) | JP2002367124A (enExample) |
| KR (1) | KR20020095037A (enExample) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6905780B2 (en) * | 2001-02-01 | 2005-06-14 | Kabushiki Kaisha Toshiba | Current-perpendicular-to-plane-type magnetoresistive device, and magnetic head and magnetic recording-reproducing apparatus using the same |
| US7390584B2 (en) * | 2002-03-27 | 2008-06-24 | Nve Corporation | Spin dependent tunneling devices having reduced topological coupling |
| US6989971B2 (en) * | 2002-04-05 | 2006-01-24 | Hitachi Global Storage Technologies Netherlands, B.V. | Giant magnetoresistance (GMR) read head with reactive-ion-etch defined read width and fabrication process |
| US6760966B2 (en) * | 2002-04-30 | 2004-07-13 | Headway Technologies, Inc. | Process of manufacturing a side reading reduced GMR for high track density |
| JP2004031547A (ja) * | 2002-06-25 | 2004-01-29 | Alps Electric Co Ltd | 磁気検出素子及びその製造方法 |
| JP4226280B2 (ja) * | 2002-06-25 | 2009-02-18 | Ｔｄｋ株式会社 | 磁気検出素子及びその製造方法 |
| JP2004031545A (ja) * | 2002-06-25 | 2004-01-29 | Alps Electric Co Ltd | 磁気検出素子及びその製造方法 |
| US20040061987A1 (en) * | 2002-09-27 | 2004-04-01 | International Business Machines Corporation | Self-stabilized giant magnetoresistive spin valve read sensor |
| JP4016857B2 (ja) * | 2002-10-18 | 2007-12-05 | ヤマハ株式会社 | 磁気センサ及びその製造方法 |
| JP3865738B2 (ja) | 2003-06-18 | 2007-01-10 | Ｔｄｋ株式会社 | 薄膜磁気ヘッド、ヘッドジンバルアセンブリおよびハードディスク装置 |
| JP2005302131A (ja) | 2004-04-09 | 2005-10-27 | Hitachi Global Storage Technologies Netherlands Bv | 磁気ヘッド及びそれを用いた磁気記録再生装置 |
| JP2005315678A (ja) | 2004-04-28 | 2005-11-10 | Canon Inc | 検出方法、検出デバイス及び検出用キット |
| US7345854B2 (en) * | 2004-07-13 | 2008-03-18 | Headway Technologies, Inc. | GMR sensor having a reference layer with movable magnetization |
| US7324312B2 (en) * | 2004-08-30 | 2008-01-29 | Hitachi Global Storage Technologies Netherlands B.V. | Sensor with in-stack bias structure providing exchange stabilization |
| US7333304B2 (en) * | 2004-11-04 | 2008-02-19 | Hitachi Global Storage Technologies Netherlands B.V. | CPP sensor having hard bias stabilization placed at back edge of the stripe |
| JP2006139886A (ja) | 2004-11-15 | 2006-06-01 | Hitachi Global Storage Technologies Netherlands Bv | 磁気抵抗効果型磁気ヘッド及びその製造方法 |
| US7768749B2 (en) * | 2006-02-10 | 2010-08-03 | Hitachi Global Storage Technologies Netherlands B.V. | Tunnel MR head with long stripe height stabilized through side-extended bias layer |
| US7630177B2 (en) * | 2006-02-14 | 2009-12-08 | Hitachi Global Storage Technologies Netherlands B.V. | Tunnel MR head with closed-edge laminated free layer |
| US20090161269A1 (en) * | 2007-12-21 | 2009-06-25 | James Mac Freitag | Magnetoresistive sensor having an enhanced free layer stabilization mechanism |
| JP5389370B2 (ja) * | 2008-03-04 | 2014-01-15 | 公益財団法人電磁材料研究所 | 強磁性薄膜材料とその製造方法 |
| JP2009031303A (ja) * | 2008-09-22 | 2009-02-12 | Canon Inc | 検出デバイス及び検出用キット |
| US8472148B2 (en) * | 2009-07-24 | 2013-06-25 | HGST Netherlands B.V. | Self-aligned double flux guided TMR sensor |
| US9047892B2 (en) * | 2013-10-24 | 2015-06-02 | HGST Netherlands B.V. | Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sensor having an antiparallel free (APF) structure with improved magnetic stability |
| CN114839418A (zh) * | 2021-12-31 | 2022-08-02 | 歌尔微电子股份有限公司 | 传感器、电子设备和检测装置 |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5966272A (en) | 1993-06-21 | 1999-10-12 | Read-Rite Corporation | Magnetoresistive read head having an exchange layer |
| US5408377A (en) * | 1993-10-15 | 1995-04-18 | International Business Machines Corporation | Magnetoresistive sensor with improved ferromagnetic sensing layer and magnetic recording system using the sensor |
| US5465185A (en) | 1993-10-15 | 1995-11-07 | International Business Machines Corporation | Magnetoresistive spin valve sensor with improved pinned ferromagnetic layer and magnetic recording system using the sensor |
| SG46731A1 (en) * | 1995-06-30 | 1998-02-20 | Ibm | Spin valve magnetoresistive sensor with antiparallel pinned layer and improved exchange bias layer and magnetic recording system using the senor |
| US5751521A (en) * | 1996-09-23 | 1998-05-12 | International Business Machines Corporation | Differential spin valve sensor structure |
| JP3013031B2 (ja) | 1996-12-13 | 2000-02-28 | 帝国通信工業株式会社 | 磁気抵抗効果素子及び磁気抵抗センサ |
| JP2914339B2 (ja) * | 1997-03-18 | 1999-06-28 | 日本電気株式会社 | 磁気抵抗効果素子並びにそれを用いた磁気抵抗効果センサ及び磁気抵抗検出システム |
| JP3198265B2 (ja) | 1997-04-10 | 2001-08-13 | アルプス電気株式会社 | 磁気抵抗効果素子 |
| JP3253556B2 (ja) * | 1997-05-07 | 2002-02-04 | 株式会社東芝 | 磁気抵抗効果素子とそれを用いた磁気ヘッドおよび磁気記憶装置 |
| JPH11259824A (ja) | 1998-03-13 | 1999-09-24 | Hitachi Ltd | 磁気記録再生装置及びそれに用いる磁気抵抗効果型磁気ヘッド |
| US6175475B1 (en) * | 1998-05-27 | 2001-01-16 | International Business Machines Corporation | Fully-pinned, flux-closed spin valve |
| US6023395A (en) * | 1998-05-29 | 2000-02-08 | International Business Machines Corporation | Magnetic tunnel junction magnetoresistive sensor with in-stack biasing |
| US6153320A (en) * | 1999-05-05 | 2000-11-28 | International Business Machines Corporation | Magnetic devices with laminated ferromagnetic structures formed with improved antiferromagnetically coupling films |
| US6317297B1 (en) * | 1999-10-06 | 2001-11-13 | Read-Rite Corporation | Current pinned dual spin valve with synthetic pinned layers |
| JP2001118217A (ja) * | 1999-10-14 | 2001-04-27 | Alps Electric Co Ltd | スピンバルブ型薄膜磁気素子及び薄膜磁気ヘッド及びスピンバルブ型薄膜磁気素子の製造方法 |
| US6381105B1 (en) * | 1999-10-22 | 2002-04-30 | Read-Rite Corporation | Hybrid dual spin valve sensor and method for making same |
| JP2001176028A (ja) * | 1999-12-14 | 2001-06-29 | Matsushita Electric Ind Co Ltd | 薄膜磁気ヘッド及びその製造方法 |
| JP3657487B2 (ja) * | 2000-02-02 | 2005-06-08 | アルプス電気株式会社 | スピンバルブ型薄膜磁気素子およびその製造方法、およびこのスピンバルブ型薄膜磁気素子を備えた薄膜磁気ヘッド |
| EP1187103A3 (en) * | 2000-08-04 | 2003-01-08 | Matsushita Electric Industrial Co., Ltd. | Magnetoresistance effect device, head, and memory element |
| JP2002092829A (ja) * | 2000-09-21 | 2002-03-29 | Fujitsu Ltd | 磁気抵抗センサ及び磁気抵抗ヘッド |
| US6473279B2 (en) | 2001-01-04 | 2002-10-29 | International Business Machines Corporation | In-stack single-domain stabilization of free layers for CIP and CPP spin-valve or tunnel-valve read heads |
-
2001
- 2001-06-13 JP JP2001177925A patent/JP2002367124A/ja active Pending
-
2002
- 2002-02-20 US US10/077,854 patent/US6937449B2/en not_active Expired - Fee Related
- 2002-02-20 KR KR1020020009042A patent/KR20020095037A/ko not_active Ceased
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