SG97790A1 - Spin tunnel magneto-resistance effect type magnetic sensor and production method thereof - Google Patents
Spin tunnel magneto-resistance effect type magnetic sensor and production method thereofInfo
- Publication number
- SG97790A1 SG97790A1 SG9902116A SG1999002116A SG97790A1 SG 97790 A1 SG97790 A1 SG 97790A1 SG 9902116 A SG9902116 A SG 9902116A SG 1999002116 A SG1999002116 A SG 1999002116A SG 97790 A1 SG97790 A1 SG 97790A1
- Authority
- SG
- Singapore
- Prior art keywords
- production method
- magnetic sensor
- type magnetic
- effect type
- resistance effect
- Prior art date
Links
Classifications
-
- 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
- H10N50/10—Magnetoresistive devices
-
- 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
-
- 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
-
- 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
- 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
- G01R33/098—Magnetoresistive devices comprising tunnel junctions, e.g. tunnel 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
- 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
- G11B5/3967—Composite structural arrangements of transducers, e.g. inductive write and magnetoresistive read
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
- Y10T29/49043—Depositing magnetic layer or coating
- Y10T29/49044—Plural magnetic deposition layers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Hall/Mr Elements (AREA)
- Magnetic Heads (AREA)
- Measuring Magnetic Variables (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10120504A JPH11316919A (ja) | 1998-04-30 | 1998-04-30 | スピントンネル磁気抵抗効果型磁気ヘッド |
Publications (1)
Publication Number | Publication Date |
---|---|
SG97790A1 true SG97790A1 (en) | 2003-08-20 |
Family
ID=14787841
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG9902116A SG97790A1 (en) | 1998-04-30 | 1999-04-28 | Spin tunnel magneto-resistance effect type magnetic sensor and production method thereof |
Country Status (5)
Country | Link |
---|---|
US (4) | US6327107B1 (ko) |
EP (1) | EP0953849A3 (ko) |
JP (1) | JPH11316919A (ko) |
KR (1) | KR19990083593A (ko) |
SG (1) | SG97790A1 (ko) |
Families Citing this family (92)
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US8988835B1 (en) | 2013-10-14 | 2015-03-24 | International Business Machines Corporation | Contact recording tunnel magnetoresistive sensor with layer of refractory metal |
JP2017083173A (ja) * | 2014-03-11 | 2017-05-18 | コニカミノルタ株式会社 | 磁気センサー |
US10971176B2 (en) | 2019-02-21 | 2021-04-06 | International Business Machines Corporation | Tunnel magnetoresistive sensor with adjacent gap having chromium alloy seed layer and refractory material layer |
JP7172939B2 (ja) * | 2019-10-01 | 2022-11-16 | Tdk株式会社 | 磁気センサ装置 |
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WO1997041601A1 (en) * | 1996-05-02 | 1997-11-06 | Integrated Microtransducer Electronics Corporation | All-metal, giant magnetoresistive, solid-state component |
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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 |
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1998
- 1998-04-30 JP JP10120504A patent/JPH11316919A/ja active Pending
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1999
- 1999-04-27 EP EP99108288A patent/EP0953849A3/en not_active Withdrawn
- 1999-04-28 SG SG9902116A patent/SG97790A1/en unknown
- 1999-04-29 US US09/302,228 patent/US6327107B1/en not_active Expired - Lifetime
- 1999-04-29 KR KR1019990015381A patent/KR19990083593A/ko not_active Application Discontinuation
-
2000
- 2000-08-30 US US09/650,734 patent/US6325900B1/en not_active Expired - Lifetime
-
2001
- 2001-01-24 US US09/767,847 patent/US6504690B2/en not_active Expired - Lifetime
- 2001-11-13 US US09/987,135 patent/US6587318B2/en not_active Expired - Fee Related
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EP0652550A1 (fr) * | 1993-11-08 | 1995-05-10 | Commissariat A L'energie Atomique | Tête magnétique de lecture à élément magnétorésistant multicouche et à concentrateur et son procédé de réalisation |
US5650958A (en) * | 1996-03-18 | 1997-07-22 | International Business Machines Corporation | Magnetic tunnel junctions with controlled magnetic response |
WO1997041601A1 (en) * | 1996-05-02 | 1997-11-06 | Integrated Microtransducer Electronics Corporation | All-metal, giant magnetoresistive, solid-state component |
Also Published As
Publication number | Publication date |
---|---|
US20020097536A1 (en) | 2002-07-25 |
EP0953849A3 (en) | 2000-03-15 |
JPH11316919A (ja) | 1999-11-16 |
KR19990083593A (ko) | 1999-11-25 |
US6504690B2 (en) | 2003-01-07 |
US6325900B1 (en) | 2001-12-04 |
US6587318B2 (en) | 2003-07-01 |
EP0953849A2 (en) | 1999-11-03 |
US6327107B1 (en) | 2001-12-04 |
US20010005301A1 (en) | 2001-06-28 |
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