FR2426954B1 - Tete de transducteur magnetique - Google Patents
Tete de transducteur magnetiqueInfo
- Publication number
- FR2426954B1 FR2426954B1 FR7913506A FR7913506A FR2426954B1 FR 2426954 B1 FR2426954 B1 FR 2426954B1 FR 7913506 A FR7913506 A FR 7913506A FR 7913506 A FR7913506 A FR 7913506A FR 2426954 B1 FR2426954 B1 FR 2426954B1
- Authority
- FR
- France
- Prior art keywords
- transducer head
- magnetic transducer
- magnetic
- head
- transducer
- 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
Links
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
- G11B5/39—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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
- Measuring Magnetic Variables (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6295678A JPS54157610A (en) | 1978-05-26 | 1978-05-26 | Magnetic head |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2426954A1 FR2426954A1 (fr) | 1979-12-21 |
FR2426954B1 true FR2426954B1 (fr) | 1988-01-08 |
Family
ID=13215272
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7913506A Expired FR2426954B1 (fr) | 1978-05-26 | 1979-05-28 | Tete de transducteur magnetique |
Country Status (7)
Country | Link |
---|---|
US (1) | US4277808A (fr) |
JP (1) | JPS54157610A (fr) |
CA (1) | CA1129544A (fr) |
DE (1) | DE2921350A1 (fr) |
FR (1) | FR2426954B1 (fr) |
GB (1) | GB2021843B (fr) |
NL (1) | NL7904173A (fr) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3014469A1 (de) | 1980-04-15 | 1981-10-22 | Siemens AG, 1000 Berlin und 8000 München | Magnetoresistiver sensor |
US4356523A (en) * | 1980-06-09 | 1982-10-26 | Ampex Corporation | Narrow track magnetoresistive transducer assembly |
US4506220A (en) * | 1980-11-10 | 1985-03-19 | Canon Kabushiki Kaisha | Temperature compensated magnetoresistive effect thin film magnetic sensor |
DE3213928A1 (de) * | 1981-04-15 | 1982-11-18 | Canon Denshi K.K., Chichibu, Saitama | Senkrecht - magnetkopf |
JPS5832221A (ja) * | 1981-08-17 | 1983-02-25 | Sony Corp | 磁気抵抗効果型磁気ヘツド |
EP0075413A3 (fr) * | 1981-09-12 | 1983-07-27 | Chubb Integrated Systems Limited | Assemblages de transducteurs magnétorésistifs |
JPS5875335U (ja) * | 1981-11-17 | 1983-05-21 | 三洋電機株式会社 | 磁気抵抗ヘツド |
US4523243A (en) * | 1982-05-24 | 1985-06-11 | Storage Technology Corporation | Magnetoresistive transducer using an independent recessed electromagnetic bias |
US4485419A (en) * | 1982-06-15 | 1984-11-27 | International Business Machines Corporation | Complementary pole coupling magnetic head structure |
JPS59112422A (ja) * | 1982-12-16 | 1984-06-28 | Sony Corp | 磁気抵抗効果型磁気ヘツド |
US4566050A (en) * | 1982-12-30 | 1986-01-21 | International Business Machines Corp. (Ibm) | Skew insensitive magnetic read head |
GB2169434B (en) * | 1984-11-24 | 1989-09-20 | Magnetic Components Limited | Magnetoresistive sensors |
JPS61199684A (ja) * | 1985-03-01 | 1986-09-04 | Hitachi Ltd | 磁気抵抗効果型素子 |
US4802043A (en) * | 1985-03-25 | 1989-01-31 | Hitachi, Ltd. | Magneto-resistive head for protecting against output spike noises |
GB8609572D0 (en) * | 1986-04-18 | 1986-05-21 | Rca Corp | Sawtooth generator |
JPH02128577A (ja) * | 1988-11-09 | 1990-05-16 | Sony Corp | 垂直偏向回路 |
US5218497A (en) * | 1988-12-02 | 1993-06-08 | Hitachi, Ltd. | Magnetic recording-reproducing apparatus and magnetoresistive head having two or more magnetoresistive films for use therewith |
DE68924334T2 (de) * | 1988-12-02 | 1996-05-30 | Hitachi Ltd | Magnetisches Aufzeichnungs- und Abspielgerät sowie magnetoresistiver Kopf zum Einsatz darin. |
US4972284A (en) * | 1989-01-03 | 1990-11-20 | Eastman Kodak Company | Deposited permanent magnet for hard and easy axes biasing of a magnetoresistive head |
US5142426A (en) * | 1990-06-21 | 1992-08-25 | International Business Machines Corporation | Thin film magnetic head having interspersed resistance layers to provide a desired cut-off frequency |
US5390054A (en) * | 1993-03-12 | 1995-02-14 | Minnesota Mining And Manufacturing Company | Method and system for minimizing the error rate of a digital recording system by predicting the optimal bias current |
US5428491A (en) * | 1993-12-03 | 1995-06-27 | Eastman Kodak Company | Magnetoresistive head with deposited biasing magnet |
US5748414A (en) * | 1994-06-24 | 1998-05-05 | Samsung Electro-Mechanics Co., Ltd. | Magnetoresistive element assembly with longitudinal bias |
US6005753A (en) * | 1998-05-29 | 1999-12-21 | International Business Machines Corporation | Magnetic tunnel junction magnetoresistive read head with longitudinal and transverse bias |
US6563679B1 (en) * | 2000-08-08 | 2003-05-13 | Tdk Corporation | Current perpendicular-to-the-plane magnetoresistance read heads with transverse magnetic bias |
US6930862B2 (en) * | 2002-01-07 | 2005-08-16 | Hitachi Global Storage Technologies Netherlands B.V. | Shielded extraordinary magnetoresistance head |
US7679855B2 (en) * | 2007-06-07 | 2010-03-16 | International Business Machines Corporation | Write transducer and system implementing same |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3967368A (en) * | 1972-10-11 | 1976-07-06 | International Business Machines Corporation | Method for manufacturing and using an internally biased magnetoresistive magnetic transducer |
US3864751A (en) * | 1973-10-04 | 1975-02-04 | Ibm | Induced bias magnetoresistive read transducer |
US3860965A (en) * | 1973-10-04 | 1975-01-14 | Ibm | Magnetoresistive read head assembly having matched elements for common mode rejection |
JPS5927115B2 (ja) * | 1974-12-29 | 1984-07-03 | ソニー株式会社 | 情報検出装置 |
US4047236A (en) * | 1975-05-09 | 1977-09-06 | Honeywell Information Systems Inc. | Supersensitive magnetoresistive sensor for high density magnetic read head |
US4012781A (en) * | 1975-08-14 | 1977-03-15 | International Business Machines Corporation | Magnetoresistive read head assembly for servo operation |
US4024489A (en) * | 1975-11-18 | 1977-05-17 | International Business Machines Corporation | Magnetoresistive sandwich including sensor electrically parallel with electrical shunt and magnetic biasing layers |
-
1978
- 1978-05-26 JP JP6295678A patent/JPS54157610A/ja active Granted
-
1979
- 1979-05-22 US US06/041,439 patent/US4277808A/en not_active Expired - Lifetime
- 1979-05-24 GB GB7918072A patent/GB2021843B/en not_active Expired
- 1979-05-24 CA CA328,288A patent/CA1129544A/fr not_active Expired
- 1979-05-25 DE DE19792921350 patent/DE2921350A1/de not_active Withdrawn
- 1979-05-28 NL NL7904173A patent/NL7904173A/xx not_active Application Discontinuation
- 1979-05-28 FR FR7913506A patent/FR2426954B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6114572B2 (fr) | 1986-04-19 |
GB2021843B (en) | 1982-11-10 |
JPS54157610A (en) | 1979-12-12 |
FR2426954A1 (fr) | 1979-12-21 |
GB2021843A (en) | 1979-12-05 |
US4277808A (en) | 1981-07-07 |
DE2921350A1 (de) | 1979-11-29 |
CA1129544A (fr) | 1982-08-10 |
NL7904173A (nl) | 1979-11-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |