BE804294A - Transducteur magnetique magnetoresistif interieurement polarise et son procede de fabrication - Google Patents
Transducteur magnetique magnetoresistif interieurement polarise et son procede de fabricationInfo
- Publication number
- BE804294A BE804294A BE135177A BE135177A BE804294A BE 804294 A BE804294 A BE 804294A BE 135177 A BE135177 A BE 135177A BE 135177 A BE135177 A BE 135177A BE 804294 A BE804294 A BE 804294A
- Authority
- BE
- Belgium
- Prior art keywords
- manufacturing process
- magnetic transducer
- magnetoresistive magnetic
- internally polarized
- polarized
- Prior art date
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
- 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
-
- 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
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Magnetic Heads (AREA)
- Measuring Magnetic Variables (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00296742A US3813692A (en) | 1972-10-11 | 1972-10-11 | Internally biased magnetoresistive magnetic transducer |
Publications (1)
Publication Number | Publication Date |
---|---|
BE804294A true BE804294A (fr) | 1973-12-17 |
Family
ID=23143365
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE135177A BE804294A (fr) | 1972-10-11 | 1973-08-31 | Transducteur magnetique magnetoresistif interieurement polarise et son procede de fabrication |
Country Status (11)
Country | Link |
---|---|
US (1) | US3813692A (fr) |
JP (1) | JPS5325646B2 (fr) |
AR (1) | AR202698A1 (fr) |
BE (1) | BE804294A (fr) |
BR (1) | BR7307882D0 (fr) |
CA (1) | CA1030653A (fr) |
ES (1) | ES419326A1 (fr) |
FR (1) | FR2203125B1 (fr) |
GB (1) | GB1437009A (fr) |
IT (1) | IT993820B (fr) |
SE (1) | SE394044B (fr) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2219482B1 (fr) * | 1973-02-27 | 1978-03-03 | Cii | |
US3887944A (en) * | 1973-06-29 | 1975-06-03 | Ibm | Method for eliminating part of magnetic crosstalk in magnetoresistive sensors |
US3860965A (en) * | 1973-10-04 | 1975-01-14 | Ibm | Magnetoresistive read head assembly having matched elements for common mode rejection |
US3887945A (en) * | 1973-12-12 | 1975-06-03 | Ibm | Head assembly for recording and reading, employing inductive and magnetoresistive elements |
US3908194A (en) * | 1974-08-19 | 1975-09-23 | Ibm | Integrated magnetoresistive read, inductive write, batch fabricated magnetic head |
DE2615539C2 (de) * | 1975-04-14 | 1986-01-16 | N.V. Philips' Gloeilampenfabrieken, Eindhoven | Magnetkopf mit magnetoresistivem Element |
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 |
JPS5464854U (fr) * | 1977-10-18 | 1979-05-08 | ||
FR2455330A1 (fr) * | 1979-04-25 | 1980-11-21 | Cii Honeywell Bull | Dispositif magnetique de transduction a magnetoresistances |
US4523243A (en) * | 1982-05-24 | 1985-06-11 | Storage Technology Corporation | Magnetoresistive transducer using an independent recessed electromagnetic bias |
US4555740A (en) * | 1983-04-04 | 1985-11-26 | Hewlett-Packard Company | Thin film transducer head for inductive recording and magnetoresistive reading |
US4819113A (en) * | 1984-03-29 | 1989-04-04 | Sony Corporation | Magnetic transducer head with inclined magnetic gap |
US4649447A (en) * | 1985-08-15 | 1987-03-10 | International Business Machines | Combed MR sensor |
JPS62245511A (ja) * | 1986-04-18 | 1987-10-26 | Hitachi Ltd | 磁気抵抗効果形磁気ヘツド及びその製造方法 |
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 |
US5390061A (en) * | 1990-06-08 | 1995-02-14 | Hitachi, Ltd. | Multilayer magnetoresistance effect-type magnetic head |
US5079831A (en) * | 1991-02-07 | 1992-01-14 | Applied Magnetics Corporation | Method of making a dual stripe magnetic head |
US5266786A (en) * | 1991-10-01 | 1993-11-30 | Ncr Corporation | Magnetoresistive head for reading magnetic ink characters |
US5311385A (en) * | 1991-12-18 | 1994-05-10 | Minnesota Mining And Manufacturing Company | Magnetoresistive head with integrated bias and magnetic shield layer |
JPH06349031A (ja) * | 1993-04-14 | 1994-12-22 | Sanyo Electric Co Ltd | 磁気抵抗効果型ヘッド |
US5485333A (en) * | 1993-04-23 | 1996-01-16 | Eastman Kodak Company | Shorted DMR reproduce head |
FR2710753B1 (fr) * | 1993-09-27 | 1995-10-27 | Commissariat Energie Atomique | Capteur de courant comprenant un ruban magnétorésistif et son procédé de réalisation. |
US5420736A (en) * | 1994-04-15 | 1995-05-30 | International Business Machines Corporation | MR read transducer with thermal noise cancellation |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2500953A (en) * | 1948-09-24 | 1950-03-21 | Max L Libman | Magnetoresistor |
US2647167A (en) * | 1950-03-21 | 1953-07-28 | Rca Corp | Magnetic transducer construction |
DE1054543B (de) * | 1955-08-16 | 1959-04-09 | Siemens Ag | Halbleiterbauelement, dessen elektrischer Widerstand eine Funktion des ihn durchfliessenden Stromes ist |
US3016507A (en) * | 1959-09-14 | 1962-01-09 | Ibm | Thin film magneto resistance device |
CH405426A (de) * | 1961-12-21 | 1966-01-15 | Ibm | Magnetkopf zum Aufzeichnen und Ablesen von digitalen Signalen |
FR85611E (fr) * | 1964-02-06 | 1965-09-17 | Bull Sa Machines | Dispositifs à impédance variable |
US3672043A (en) * | 1965-12-06 | 1972-06-27 | Ncr Co | Miniature magnetic head |
US3493694A (en) * | 1966-01-19 | 1970-02-03 | Ampex | Magnetoresistive head |
GB1272044A (en) * | 1971-02-22 | 1972-04-26 | Mullard Ltd | Improvements in or relating to magnetoresistive readout transducers |
US3731007A (en) * | 1971-04-19 | 1973-05-01 | Denki Onkyo Co Ltd | Magnetic head having a magneto-resistive bridge circuit |
BE792917A (fr) * | 1971-12-27 | 1973-04-16 | Ibm | Tete de transduction magnetique |
-
1972
- 1972-10-11 US US00296742A patent/US3813692A/en not_active Expired - Lifetime
-
1973
- 1973-08-22 FR FR7330992A patent/FR2203125B1/fr not_active Expired
- 1973-08-30 IT IT28351/73A patent/IT993820B/it active
- 1973-08-31 BE BE135177A patent/BE804294A/fr not_active IP Right Cessation
- 1973-09-11 GB GB4265373A patent/GB1437009A/en not_active Expired
- 1973-09-19 SE SE7312741A patent/SE394044B/xx unknown
- 1973-09-21 JP JP10605673A patent/JPS5325646B2/ja not_active Expired
- 1973-10-04 ES ES419326A patent/ES419326A1/es not_active Expired
- 1973-10-09 CA CA182,967A patent/CA1030653A/fr not_active Expired
- 1973-10-10 AR AR250482A patent/AR202698A1/es active
- 1973-10-10 BR BR7882/73A patent/BR7307882D0/pt unknown
Also Published As
Publication number | Publication date |
---|---|
GB1437009A (fr) | 1976-05-26 |
US3813692A (en) | 1974-05-28 |
AU6061273A (en) | 1975-03-27 |
FR2203125A1 (fr) | 1974-05-10 |
JPS5325646B2 (fr) | 1978-07-28 |
ES419326A1 (es) | 1976-03-01 |
IT993820B (it) | 1975-09-30 |
JPS4974523A (fr) | 1974-07-18 |
BR7307882D0 (pt) | 1974-07-25 |
SE394044B (sv) | 1977-05-31 |
FR2203125B1 (fr) | 1977-05-13 |
AR202698A1 (es) | 1975-07-15 |
CA1030653A (fr) | 1978-05-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE20 | Patent expired |
Owner name: INTERNATIONAL BUSINESS MACHINES CORP. Effective date: 19930831 |