CN1099178A - 带有非磁性背层的磁致电阻自旋阀传感器 - Google Patents
带有非磁性背层的磁致电阻自旋阀传感器 Download PDFInfo
- Publication number
- CN1099178A CN1099178A CN94102119A CN94102119A CN1099178A CN 1099178 A CN1099178 A CN 1099178A CN 94102119 A CN94102119 A CN 94102119A CN 94102119 A CN94102119 A CN 94102119A CN 1099178 A CN1099178 A CN 1099178A
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- China
- Prior art keywords
- layer
- cpp
- ferromagnetic
- magnetoresistive sensor
- magnetic
- 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.)
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Classifications
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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
- G11B5/33—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
- G01R33/09—Magnetoresistive devices
- G01R33/093—Magnetoresistive devices using multilayer structures, e.g. giant magnetoresistance sensors
-
- 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
-
- 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
-
- 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
- G11B2005/3996—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 large or giant magnetoresistive effects [GMR], e.g. as generated in spin-valve [SV] devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L2224/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
- H01L2224/321—Disposition
- H01L2224/32151—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/32221—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/32245—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48151—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/48221—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/48245—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic
- H01L2224/4826—Connecting between the body and an opposite side of the item with respect to the body
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/73—Means for bonding being of different types provided for in two or more of groups H01L2224/10, H01L2224/18, H01L2224/26, H01L2224/34, H01L2224/42, H01L2224/50, H01L2224/63, H01L2224/71
- H01L2224/732—Location after the connecting process
- H01L2224/73201—Location after the connecting process on the same surface
- H01L2224/73215—Layer and wire connectors
Landscapes
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Theoretical Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Hall/Mr Elements (AREA)
- Magnetic Heads (AREA)
- Thin Magnetic Films (AREA)
- Measuring Magnetic Variables (AREA)
Abstract
Description
Claims (47)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US014981 | 1979-02-28 | ||
US08/014,981 US5422571A (en) | 1993-02-08 | 1993-02-08 | Magnetoresistive spin valve sensor having a nonmagnetic back layer |
US014,981 | 1993-02-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1099178A true CN1099178A (zh) | 1995-02-22 |
CN1057627C CN1057627C (zh) | 2000-10-18 |
Family
ID=21768900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN94102119A Expired - Fee Related CN1057627C (zh) | 1993-02-08 | 1994-02-07 | 带有非磁性背层的磁致电阻自旋阀传感器 |
Country Status (9)
Country | Link |
---|---|
US (1) | US5422571A (zh) |
EP (1) | EP0611033B1 (zh) |
JP (1) | JP2744883B2 (zh) |
KR (1) | KR0136825B1 (zh) |
CN (1) | CN1057627C (zh) |
DE (1) | DE69430964T2 (zh) |
MY (1) | MY110478A (zh) |
SG (1) | SG42851A1 (zh) |
TW (1) | TW266294B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100390859C (zh) * | 2000-07-17 | 2008-05-28 | 国际商业机器公司 | 自旋阀及其制造方法 |
Families Citing this family (113)
Publication number | Priority date | Publication date | Assignee | Title |
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US5780176A (en) | 1992-10-30 | 1998-07-14 | Kabushiki Kaisha Toshiba | Magnetoresistance effect element |
US5549978A (en) * | 1992-10-30 | 1996-08-27 | Kabushiki Kaisha Toshiba | Magnetoresistance effect element |
US5931032A (en) | 1998-04-16 | 1999-08-03 | Gregory; Edwin H. | Cutter and blow resistant lock |
KR0148842B1 (ko) * | 1993-07-22 | 1998-10-15 | 가나이 쯔또무 | 자기기록매체 및 그의 제조방법과 자기기록 시스템 |
US5633771A (en) | 1993-09-29 | 1997-05-27 | Kabushiki Kaisha Toshiba | Magnetoresistance effect type head and separate recording-reproducing type magnetic head |
DE4425356C2 (de) * | 1993-09-29 | 1998-07-02 | Siemens Ag | Magnetoresistiver Sensor unter Verwendung eines Sensormaterials mit perowskitähnlicher Kristallstruktur |
JPH08511873A (ja) * | 1994-04-15 | 1996-12-10 | フィリップス エレクトロニクス ネムローゼ フェンノートシャップ | 磁界センサ、そんなセンサを具えた装置及びそんなセンサを製造する方法 |
US5841611A (en) * | 1994-05-02 | 1998-11-24 | Matsushita Electric Industrial Co., Ltd. | Magnetoresistance effect device and magnetoresistance effect type head, memory device, and amplifying device using the same |
US6256222B1 (en) | 1994-05-02 | 2001-07-03 | Matsushita Electric Industrial Co., Ltd. | Magnetoresistance effect device, and magnetoresistaance effect type head, memory device, and amplifying device using the same |
US5546253A (en) * | 1994-05-06 | 1996-08-13 | Quantum Corporation | Digitial output magnetoresistive (DOMR) head and methods associated therewith |
FR2722918B1 (fr) * | 1994-07-21 | 1996-08-30 | Commissariat Energie Atomique | Capteur a magnetoresistance multicouche autopolarisee |
JP3127777B2 (ja) * | 1994-08-02 | 2001-01-29 | 株式会社日立製作所 | 磁気トランスデューサおよび磁気記録装置 |
US5991125A (en) * | 1994-09-16 | 1999-11-23 | Kabushiki Kaisha Toshiba | Magnetic head |
JP3367230B2 (ja) * | 1994-10-25 | 2003-01-14 | ソニー・プレシジョン・テクノロジー株式会社 | 位置検出装置 |
US5515221A (en) * | 1994-12-30 | 1996-05-07 | International Business Machines Corporation | Magnetically stable shields for MR head |
FR2729790A1 (fr) * | 1995-01-24 | 1996-07-26 | Commissariat Energie Atomique | Magnetoresistance geante, procede de fabrication et application a un capteur magnetique |
US5629922A (en) * | 1995-02-22 | 1997-05-13 | Massachusetts Institute Of Technology | Electron tunneling device using ferromagnetic thin films |
JPH08279117A (ja) * | 1995-04-03 | 1996-10-22 | Alps Electric Co Ltd | 巨大磁気抵抗効果材料膜およびその製造方法とそれを用いた磁気ヘッド |
JP2778626B2 (ja) * | 1995-06-02 | 1998-07-23 | 日本電気株式会社 | 磁気抵抗効果膜及びその製造方法並びに磁気抵抗効果素子 |
DE69619166T2 (de) * | 1995-06-15 | 2002-06-20 | Tdk Corp | Magnetoresistiver Wandler mit "Spin-Valve" Struktur und Herstellungsverfahren |
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JPH0936455A (ja) * | 1995-07-21 | 1997-02-07 | Sony Corp | 磁気抵抗効果素子 |
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JP3207094B2 (ja) * | 1995-08-21 | 2001-09-10 | 松下電器産業株式会社 | 磁気抵抗効果素子及びメモリー素子 |
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US5835314A (en) * | 1996-04-17 | 1998-11-10 | Massachusetts Institute Of Technology | Tunnel junction device for storage and switching of signals |
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JP2001110016A (ja) | 1999-10-05 | 2001-04-20 | Alps Electric Co Ltd | 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 |
US6455177B1 (en) * | 1999-10-05 | 2002-09-24 | Seagate Technology Llc | Stabilization of GMR devices |
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JP3623417B2 (ja) * | 1999-12-03 | 2005-02-23 | アルプス電気株式会社 | スピンバルブ型薄膜磁気素子及び薄膜磁気ヘッド |
US6519117B1 (en) | 1999-12-06 | 2003-02-11 | International Business Machines Corporation | Dual AP pinned GMR head with offset layer |
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-
1994
- 1994-01-11 DE DE69430964T patent/DE69430964T2/de not_active Expired - Fee Related
- 1994-01-11 EP EP94300189A patent/EP0611033B1/en not_active Expired - Lifetime
- 1994-01-11 SG SG1996000141A patent/SG42851A1/en unknown
- 1994-01-14 JP JP6002326A patent/JP2744883B2/ja not_active Expired - Fee Related
- 1994-02-04 MY MYPI94000272A patent/MY110478A/en unknown
- 1994-02-07 CN CN94102119A patent/CN1057627C/zh not_active Expired - Fee Related
- 1994-02-08 KR KR1019940002418A patent/KR0136825B1/ko not_active IP Right Cessation
- 1994-06-24 TW TW083105770A patent/TW266294B/zh active
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CN100390859C (zh) * | 2000-07-17 | 2008-05-28 | 国际商业机器公司 | 自旋阀及其制造方法 |
Also Published As
Publication number | Publication date |
---|---|
DE69430964T2 (de) | 2003-02-13 |
EP0611033B1 (en) | 2002-07-17 |
MY110478A (en) | 1998-05-30 |
TW266294B (zh) | 1995-12-21 |
KR940020312A (ko) | 1994-09-15 |
KR0136825B1 (ko) | 1998-05-15 |
SG42851A1 (en) | 1997-10-17 |
DE69430964D1 (de) | 2002-08-22 |
CN1057627C (zh) | 2000-10-18 |
US5422571A (en) | 1995-06-06 |
JPH06236527A (ja) | 1994-08-23 |
JP2744883B2 (ja) | 1998-04-28 |
EP0611033A3 (en) | 1995-12-27 |
EP0611033A2 (en) | 1994-08-17 |
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