CA1137627A - Tete magnetoresistive - Google Patents
Tete magnetoresistiveInfo
- Publication number
- CA1137627A CA1137627A CA000325893A CA325893A CA1137627A CA 1137627 A CA1137627 A CA 1137627A CA 000325893 A CA000325893 A CA 000325893A CA 325893 A CA325893 A CA 325893A CA 1137627 A CA1137627 A CA 1137627A
- Authority
- CA
- Canada
- Prior art keywords
- magnetic head
- magnetic
- magnetoresistive
- permeable material
- magnetically permeable
- 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
- 230000005291 magnetic effect Effects 0.000 claims abstract description 62
- 239000000463 material Substances 0.000 claims abstract description 22
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 13
- 229910052729 chemical element Inorganic materials 0.000 claims abstract description 7
- 239000000306 component Substances 0.000 claims description 24
- 239000004020 conductor Substances 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 6
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 claims description 5
- 239000010453 quartz Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- 230000004907 flux Effects 0.000 abstract description 13
- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 239000002609 medium Substances 0.000 description 13
- 230000008901 benefit Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 2
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012216 screening Methods 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
- G11B5/3906—Details related to the use of magnetic thin film layers or to their effects
- G11B5/3916—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide
- G11B5/3919—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide the guide being interposed in the flux path
- G11B5/3922—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide the guide being interposed in the flux path the read-out elements being disposed in magnetic shunt relative to at least two parts of the flux guide structure
-
- 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)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7804377 | 1978-04-25 | ||
NL7804377A NL7804377A (nl) | 1978-04-25 | 1978-04-25 | Magnetoweerstandkop. |
NL7901578 | 1979-02-28 | ||
NL7901578A NL7901578A (nl) | 1979-02-28 | 1979-02-28 | Magnetoweerstandkop. |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1137627A true CA1137627A (fr) | 1982-12-14 |
Family
ID=26645410
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000325893A Expired CA1137627A (fr) | 1978-04-25 | 1979-04-19 | Tete magnetoresistive |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS54143612A (fr) |
CA (1) | CA1137627A (fr) |
DE (1) | DE2916283C2 (fr) |
FR (1) | FR2424602B1 (fr) |
GB (1) | GB2019638B (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58102324A (ja) * | 1981-12-15 | 1983-06-17 | Seiko Epson Corp | 磁気ヘツド |
JPS58102323A (ja) * | 1981-12-15 | 1983-06-17 | Seiko Epson Corp | 磁気ヘツド |
US4535375A (en) * | 1983-01-14 | 1985-08-13 | Magnetic Peripherals, Inc. | Magnetoresistive head |
JPS6087417A (ja) * | 1983-10-20 | 1985-05-17 | Matsushita Electric Ind Co Ltd | 薄膜磁気ヘツド |
US4712144A (en) * | 1985-08-20 | 1987-12-08 | International Business Machines Corporation | Method and apparatus for reading recorded data by a magnetoresistive head |
DE69227758T2 (de) * | 1991-12-05 | 1999-07-29 | Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka | Magnetoresistiver Kopf |
JPH0817020A (ja) * | 1994-06-30 | 1996-01-19 | Sony Corp | 磁気抵抗効果型薄膜磁気ヘッド |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3887944A (en) * | 1973-06-29 | 1975-06-03 | Ibm | Method for eliminating part of magnetic crosstalk in magnetoresistive sensors |
NL164410C (nl) * | 1974-04-01 | 1980-12-15 | Philips Nv | Magnetoweerstand magneetkop. |
GB1518515A (en) * | 1974-08-20 | 1978-07-19 | Matsushita Electric Ind Co Ltd | Magnetic heads |
NL7508533A (nl) * | 1975-07-17 | 1977-01-19 | Philips Nv | Dunne film magneetkop voor het lezen en schrijven van informatie. |
-
1979
- 1979-04-19 CA CA000325893A patent/CA1137627A/fr not_active Expired
- 1979-04-20 GB GB7913826A patent/GB2019638B/en not_active Expired
- 1979-04-21 DE DE19792916283 patent/DE2916283C2/de not_active Expired
- 1979-04-23 JP JP4916179A patent/JPS54143612A/ja active Granted
- 1979-04-23 FR FR7910192A patent/FR2424602B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2424602B1 (fr) | 1987-11-27 |
JPS54143612A (en) | 1979-11-09 |
FR2424602A1 (fr) | 1979-11-23 |
DE2916283A1 (de) | 1979-11-08 |
DE2916283C2 (de) | 1985-07-25 |
GB2019638A (en) | 1979-10-31 |
GB2019638B (en) | 1982-04-28 |
JPS5749965B2 (fr) | 1982-10-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |