JPH0376536B2 - - Google Patents
Info
- Publication number
- JPH0376536B2 JPH0376536B2 JP57220744A JP22074482A JPH0376536B2 JP H0376536 B2 JPH0376536 B2 JP H0376536B2 JP 57220744 A JP57220744 A JP 57220744A JP 22074482 A JP22074482 A JP 22074482A JP H0376536 B2 JPH0376536 B2 JP H0376536B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- magnetoresistive
- magnetic field
- magnetic head
- angle
- 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 - Lifetime
Links
- 238000001514 detection method Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 17
- 230000005415 magnetization Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- 229910017709 Ni Co Inorganic materials 0.000 description 1
- 229910003267 Ni-Co Inorganic materials 0.000 description 1
- 229910003271 Ni-Fe Inorganic materials 0.000 description 1
- 229910003262 Ni‐Co Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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
-
- 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
- G11B5/40—Protective measures on heads, e.g. against excessive temperature
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
- Measuring Magnetic Variables (AREA)
- Hall/Mr Elements (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57220744A JPS59112422A (ja) | 1982-12-16 | 1982-12-16 | 磁気抵抗効果型磁気ヘツド |
CA000442632A CA1209261A (en) | 1982-12-16 | 1983-12-06 | Magnetic transducer head utilizing magnetoresistance effect |
KR1019830005820A KR920001129B1 (ko) | 1982-12-11 | 1983-12-08 | 자기저항효과형 자기헤드 |
DE8383307648T DE3372680D1 (en) | 1982-12-16 | 1983-12-15 | Magnetic transducer heads utilising magnetoresistance effect |
EP83307648A EP0113980B1 (en) | 1982-12-16 | 1983-12-15 | Magnetic transducer heads utilising magnetoresistance effect |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57220744A JPS59112422A (ja) | 1982-12-16 | 1982-12-16 | 磁気抵抗効果型磁気ヘツド |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59112422A JPS59112422A (ja) | 1984-06-28 |
JPH0376536B2 true JPH0376536B2 (en]) | 1991-12-05 |
Family
ID=16755847
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57220744A Granted JPS59112422A (ja) | 1982-12-11 | 1982-12-16 | 磁気抵抗効果型磁気ヘツド |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0113980B1 (en]) |
JP (1) | JPS59112422A (en]) |
KR (1) | KR920001129B1 (en]) |
CA (1) | CA1209261A (en]) |
DE (1) | DE3372680D1 (en]) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3644388A1 (de) * | 1985-12-27 | 1987-07-02 | Sharp Kk | Duennfilm-joch-magnetkopf |
JP2790811B2 (ja) * | 1988-04-20 | 1998-08-27 | シャープ株式会社 | 薄膜磁気ヘッド |
FR2715507B1 (fr) * | 1994-01-25 | 1996-04-05 | Commissariat Energie Atomique | Magnétorésistance multicouche polarisée. |
EP0727645B1 (en) * | 1994-08-23 | 2001-08-08 | Matsushita Electric Industrial Co., Ltd. | Magnetic signal detector |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4012781A (en) * | 1975-08-14 | 1977-03-15 | International Business Machines Corporation | Magnetoresistive read head assembly for servo operation |
US4130847A (en) * | 1977-03-31 | 1978-12-19 | International Business Machines Corporation | Corrosion resistant thin film head assembly and method for making |
JPS54157610A (en) * | 1978-05-26 | 1979-12-12 | Sony Corp | Magnetic head |
JPS57109121A (en) * | 1980-12-26 | 1982-07-07 | Sony Corp | Magnetic resistance effect type magnetic head |
DE3279790D1 (en) * | 1981-12-09 | 1989-08-03 | Matsushita Electric Ind Co Ltd | Thin film magnetic head |
-
1982
- 1982-12-16 JP JP57220744A patent/JPS59112422A/ja active Granted
-
1983
- 1983-12-06 CA CA000442632A patent/CA1209261A/en not_active Expired
- 1983-12-08 KR KR1019830005820A patent/KR920001129B1/ko not_active Expired
- 1983-12-15 DE DE8383307648T patent/DE3372680D1/de not_active Expired
- 1983-12-15 EP EP83307648A patent/EP0113980B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0113980B1 (en) | 1987-07-22 |
KR920001129B1 (ko) | 1992-02-01 |
DE3372680D1 (en) | 1987-08-27 |
CA1209261A (en) | 1986-08-05 |
EP0113980A1 (en) | 1984-07-25 |
KR840007775A (ko) | 1984-12-10 |
JPS59112422A (ja) | 1984-06-28 |
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