CN1223431A - 屏蔽式磁性隧道结磁阻读出磁头 - Google Patents
屏蔽式磁性隧道结磁阻读出磁头 Download PDFInfo
- Publication number
- CN1223431A CN1223431A CN98119403A CN98119403A CN1223431A CN 1223431 A CN1223431 A CN 1223431A CN 98119403 A CN98119403 A CN 98119403A CN 98119403 A CN98119403 A CN 98119403A CN 1223431 A CN1223431 A CN 1223431A
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- mtj
- separation layer
- magnetic head
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Links
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Images
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
- G11B5/127—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
- G11B5/332—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using thin films
-
- 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
-
- 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
- G11B5/3909—Arrangements using a magnetic tunnel junction
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
- Hall/Mr Elements (AREA)
- Thin Magnetic Films (AREA)
- Mram Or Spin Memory Techniques (AREA)
Abstract
Description
Claims (26)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US957,787 | 1978-11-06 | ||
US08/957,787 US5898548A (en) | 1997-10-24 | 1997-10-24 | Shielded magnetic tunnel junction magnetoresistive read head |
US957787 | 1997-10-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1223431A true CN1223431A (zh) | 1999-07-21 |
CN1144183C CN1144183C (zh) | 2004-03-31 |
Family
ID=25500133
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB981194036A Expired - Fee Related CN1144183C (zh) | 1997-10-24 | 1998-09-30 | 屏蔽式磁性隧道结磁电阻读出磁头 |
Country Status (8)
Country | Link |
---|---|
US (1) | US5898548A (zh) |
EP (1) | EP0911811B1 (zh) |
JP (2) | JP3300291B2 (zh) |
KR (1) | KR100295288B1 (zh) |
CN (1) | CN1144183C (zh) |
DE (1) | DE69835410T2 (zh) |
MY (1) | MY116285A (zh) |
SG (1) | SG67574A1 (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100361199C (zh) * | 2004-02-18 | 2008-01-09 | 日立环球储存科技荷兰有限公司 | 具有增强的引线稳定化机制的自钉扎读取传感器结构 |
CN102054483A (zh) * | 2009-11-03 | 2011-05-11 | 西部数据(弗里蒙特)公司 | 通过图案化的晶片退火改善读取头稳定性和写入头盖写性能的方法 |
CN103959407A (zh) * | 2011-11-30 | 2014-07-30 | 索尼公司 | 具有低写入错误率的自旋转移力矩磁存储元件 |
CN104934046A (zh) * | 2014-03-21 | 2015-09-23 | Hgst荷兰公司 | 传感器结构及磁读头 |
Families Citing this family (124)
Publication number | Priority date | Publication date | Assignee | Title |
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US6084752A (en) * | 1996-02-22 | 2000-07-04 | Matsushita Electric Industrial Co., Ltd. | Thin film magnetic head |
US5869963A (en) * | 1996-09-12 | 1999-02-09 | Alps Electric Co., Ltd. | Magnetoresistive sensor and head |
JPH11175920A (ja) * | 1997-12-05 | 1999-07-02 | Nec Corp | 磁気抵抗効果型複合ヘッドおよびその製造方法 |
US6169303B1 (en) * | 1998-01-06 | 2001-01-02 | Hewlett-Packard Company | Ferromagnetic tunnel junctions with enhanced magneto-resistance |
JPH11316919A (ja) * | 1998-04-30 | 1999-11-16 | Hitachi Ltd | スピントンネル磁気抵抗効果型磁気ヘッド |
DE69934868T2 (de) * | 1998-05-11 | 2007-10-18 | Koninklijke Philips Electronics N.V. | Magnetischer mehrschichtsensor |
US6052263A (en) * | 1998-08-21 | 2000-04-18 | International Business Machines Corporation | Low moment/high coercivity pinned layer for magnetic tunnel junction sensors |
US6552882B1 (en) * | 1998-09-01 | 2003-04-22 | Nec Corporation | Information reproduction head apparatus and information recording/reproduction system |
JP3473939B2 (ja) * | 1998-10-13 | 2003-12-08 | Tdk株式会社 | 薄膜磁気ヘッドおよびその製造方法 |
US6185079B1 (en) | 1998-11-09 | 2001-02-06 | International Business Machines Corporation | Disk drive with thermal asperity reduction circuitry using a magnetic tunnel junction sensor |
US6795280B1 (en) | 1998-11-18 | 2004-09-21 | Seagate Technology Llc | Tunneling magneto-resistive read head with two-piece free layer |
US6178074B1 (en) * | 1998-11-19 | 2001-01-23 | International Business Machines Corporation | Double tunnel junction with magnetoresistance enhancement layer |
US6542342B1 (en) * | 1998-11-30 | 2003-04-01 | Nec Corporation | Magnetoresistive effect transducer having longitudinal bias layer directly connected to free layer |
US6411478B1 (en) | 1999-02-11 | 2002-06-25 | Seagate Technology Llc | Spin tunnel junction recording heads using an edge junction structure with CIP |
US6181537B1 (en) * | 1999-03-29 | 2001-01-30 | International Business Machines Corporation | Tunnel junction structure with junction layer embedded in amorphous ferromagnetic layers |
US6256178B1 (en) * | 1999-03-29 | 2001-07-03 | International Business Machines Corporation | Biasing for tunnel junction head |
JP3592140B2 (ja) | 1999-07-02 | 2004-11-24 | Tdk株式会社 | トンネル磁気抵抗効果型ヘッド |
US6510030B1 (en) | 1999-08-17 | 2003-01-21 | Seagate Technology, Llc | Transducing head and method for forming a recessed shield for a transducing head |
US6493195B1 (en) * | 1999-09-01 | 2002-12-10 | Nec Corporation | Magnetoresistance element, with lower electrode anti-erosion/flaking layer |
JP2001067628A (ja) * | 1999-09-01 | 2001-03-16 | Nec Corp | 磁気抵抗効果素子と磁気抵抗効果素子の製造方法および磁気抵抗検出システムならびに磁気記録システム |
US6421212B1 (en) | 1999-09-21 | 2002-07-16 | Read-Rite Corporation | Thin film read head structure with improved bias magnet-to-magnetoresistive element interface and method of fabrication |
US6600636B1 (en) | 1999-10-12 | 2003-07-29 | Maxtor Corporation | Magnetic head with write element offset from read element |
US6556391B1 (en) * | 1999-12-07 | 2003-04-29 | Fujitsu Limited | Biasing layers for a magnetoresistance effect magnetic head using perpendicular current flow |
US6721147B2 (en) | 1999-12-07 | 2004-04-13 | Fujitsu Limited | Longitudinally biased magnetoresistance effect magnetic head and magnetic reproducing apparatus |
JP2001176027A (ja) | 1999-12-14 | 2001-06-29 | Nec Corp | 磁気抵抗効果ヘッド及びこれを用いた磁気記憶装置 |
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US6560077B2 (en) * | 2000-01-10 | 2003-05-06 | The University Of Alabama | CPP spin-valve device |
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FR2852400B1 (fr) * | 2003-03-14 | 2005-06-24 | Capteur magnetoresistif comprenant un element sensible ferromagnetique/antiferromagnetique | |
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- 1998-09-22 MY MYPI98004347A patent/MY116285A/en unknown
- 1998-09-30 CN CNB981194036A patent/CN1144183C/zh not_active Expired - Fee Related
- 1998-10-12 JP JP28902098A patent/JP3300291B2/ja not_active Expired - Fee Related
- 1998-10-15 SG SG1998004212A patent/SG67574A1/en unknown
- 1998-10-20 DE DE69835410T patent/DE69835410T2/de not_active Expired - Fee Related
- 1998-10-20 EP EP98308587A patent/EP0911811B1/en not_active Expired - Lifetime
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CN100361199C (zh) * | 2004-02-18 | 2008-01-09 | 日立环球储存科技荷兰有限公司 | 具有增强的引线稳定化机制的自钉扎读取传感器结构 |
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CN102054483B (zh) * | 2009-11-03 | 2015-05-20 | 西部数据(弗里蒙特)公司 | 通过图案化的晶片退火改善读取头稳定性和写入头盖写性能的方法 |
CN103959407A (zh) * | 2011-11-30 | 2014-07-30 | 索尼公司 | 具有低写入错误率的自旋转移力矩磁存储元件 |
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CN103959407B (zh) * | 2011-11-30 | 2016-12-14 | 索尼公司 | 具有低写入错误率的自旋转移力矩磁存储元件 |
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CN104934046A (zh) * | 2014-03-21 | 2015-09-23 | Hgst荷兰公司 | 传感器结构及磁读头 |
CN104934046B (zh) * | 2014-03-21 | 2019-02-15 | Hgst荷兰公司 | 传感器结构及磁读头 |
Also Published As
Publication number | Publication date |
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JPH11213351A (ja) | 1999-08-06 |
KR100295288B1 (ko) | 2001-10-26 |
EP0911811A2 (en) | 1999-04-28 |
KR19990036637A (ko) | 1999-05-25 |
JP3300291B2 (ja) | 2002-07-08 |
EP0911811A3 (en) | 1999-10-27 |
MY116285A (en) | 2003-12-31 |
US5898548A (en) | 1999-04-27 |
CN1144183C (zh) | 2004-03-31 |
JP2002304711A (ja) | 2002-10-18 |
DE69835410T2 (de) | 2007-08-09 |
SG67574A1 (en) | 1999-09-21 |
DE69835410D1 (de) | 2006-09-14 |
EP0911811B1 (en) | 2006-08-02 |
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