DE69506188T2 - Magnetowiderstandsmagnetkopf für Aufzeichnung und Wiedergabe - Google Patents
Magnetowiderstandsmagnetkopf für Aufzeichnung und WiedergabeInfo
- Publication number
- DE69506188T2 DE69506188T2 DE69506188T DE69506188T DE69506188T2 DE 69506188 T2 DE69506188 T2 DE 69506188T2 DE 69506188 T DE69506188 T DE 69506188T DE 69506188 T DE69506188 T DE 69506188T DE 69506188 T2 DE69506188 T2 DE 69506188T2
- Authority
- DE
- Germany
- Prior art keywords
- playback
- recording
- magnetic head
- magnetoresistive magnetic
- magnetoresistive
- 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
Links
Classifications
-
- 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
-
- 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
-
- 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
- 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
- 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
- G11B5/3945—Heads comprising more than one sensitive element
- G11B5/3948—Heads comprising more than one sensitive element the sensitive elements being active read-out elements
- G11B5/3958—Heads comprising more than one sensitive element the sensitive elements being active read-out elements the active elements being arranged in a single plane, e.g. "matrix" disposition
- G11B5/3961—Heads comprising more than one sensitive element the sensitive elements being active read-out elements the active elements being arranged in a single plane, e.g. "matrix" disposition disposed at an angle to the direction of the track or relative movement
-
- 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
- G11B5/3967—Composite structural arrangements of transducers, e.g. inductive write and magnetoresistive read
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F10/00—Thin magnetic films, e.g. of one-domain structure
- H01F10/32—Spin-exchange-coupled multilayers, e.g. nanostructured superlattices
- H01F10/324—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer
- H01F10/3268—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer the exchange coupling being asymmetric, e.g. by use of additional pinning, by using antiferromagnetic or ferromagnetic coupling interface, i.e. so-called spin-valve [SV] structure, e.g. NiFe/Cu/NiFe/FeMn
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N50/00—Galvanomagnetic devices
- H10N50/80—Constructional details
- H10N50/85—Magnetic active materials
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Power Engineering (AREA)
- Magnetic Heads (AREA)
- Hall/Mr Elements (AREA)
- Measuring Magnetic Variables (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6198018A JPH0845034A (ja) | 1994-07-29 | 1994-07-29 | 磁気抵抗型磁気ヘッド及び記録・再生用複合型磁気ヘッド、並びにこれらの製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69506188D1 DE69506188D1 (de) | 1999-01-07 |
DE69506188T2 true DE69506188T2 (de) | 1999-06-24 |
Family
ID=16384154
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69506188T Expired - Fee Related DE69506188T2 (de) | 1994-07-29 | 1995-07-28 | Magnetowiderstandsmagnetkopf für Aufzeichnung und Wiedergabe |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0694911B1 (de) |
JP (1) | JPH0845034A (de) |
KR (1) | KR960005441A (de) |
DE (1) | DE69506188T2 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020069034A (ko) * | 2001-02-23 | 2002-08-29 | 주식회사 피앤티기술 | 다중 자화 용이축을 갖는 디스크형 자기 저장 장치 및 그제조 방법 |
US9218831B1 (en) * | 2014-09-17 | 2015-12-22 | HGST Netherlands B.V. | Side-by-side magnetic multi-input multi-output (MIMO) read head |
CN112038487B (zh) * | 2020-08-04 | 2022-11-25 | 北京大学 | 一种具有m型磁阻曲线器件的制备方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0719341B2 (ja) * | 1985-07-10 | 1995-03-06 | 株式会社日立製作所 | マルチトラツク磁気抵抗効果型磁気ヘツド |
JP3088478B2 (ja) * | 1990-05-21 | 2000-09-18 | 財団法人生産開発科学研究所 | 磁気抵抗効果素子 |
JP3483895B2 (ja) * | 1990-11-01 | 2004-01-06 | 株式会社東芝 | 磁気抵抗効果膜 |
JPH0528436A (ja) * | 1991-07-19 | 1993-02-05 | Fujitsu Ltd | 磁気抵抗効果型ヘツド |
JPH06220609A (ja) * | 1992-07-31 | 1994-08-09 | Sony Corp | 磁気抵抗効果膜及びその製造方法並びにそれを用いた磁気抵抗効果素子、磁気抵抗効果型磁気ヘッド |
JP3381957B2 (ja) * | 1992-08-03 | 2003-03-04 | 株式会社東芝 | 磁気抵抗効果素子、磁気ヘッドおよび磁気センサ |
JPH06150259A (ja) * | 1992-11-06 | 1994-05-31 | Hitachi Ltd | 磁気ヘッド |
FR2698965B1 (fr) * | 1992-12-03 | 1995-01-06 | Commissariat Energie Atomique | Structure et capteur magnétiques multicouches à forte magnétorésistance et procédé de fabrication de la structure. |
JPH07192919A (ja) * | 1993-12-27 | 1995-07-28 | Sony Corp | 人工格子膜およびこれを用いた磁気抵抗効果素子 |
-
1994
- 1994-07-29 JP JP6198018A patent/JPH0845034A/ja active Pending
-
1995
- 1995-07-28 DE DE69506188T patent/DE69506188T2/de not_active Expired - Fee Related
- 1995-07-28 EP EP95111915A patent/EP0694911B1/de not_active Expired - Lifetime
- 1995-07-28 KR KR1019950022786A patent/KR960005441A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE69506188D1 (de) | 1999-01-07 |
EP0694911A3 (de) | 1996-04-24 |
JPH0845034A (ja) | 1996-02-16 |
KR960005441A (ko) | 1996-02-23 |
EP0694911B1 (de) | 1998-11-25 |
EP0694911A2 (de) | 1996-01-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |