DE69419390D1 - Magnetkopf mit einer Kopfseite und einer Dünnfilmstruktur und Magnetkopfherstellungsverfahren - Google Patents
Magnetkopf mit einer Kopfseite und einer Dünnfilmstruktur und MagnetkopfherstellungsverfahrenInfo
- Publication number
- DE69419390D1 DE69419390D1 DE69419390T DE69419390T DE69419390D1 DE 69419390 D1 DE69419390 D1 DE 69419390D1 DE 69419390 T DE69419390 T DE 69419390T DE 69419390 T DE69419390 T DE 69419390T DE 69419390 D1 DE69419390 D1 DE 69419390D1
- Authority
- DE
- Germany
- Prior art keywords
- magnetic head
- head
- thin film
- manufacturing process
- film structure
- 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 - Fee Related
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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE9301284A BE1007775A3 (nl) | 1993-11-22 | 1993-11-22 | Magneetkop, voorzien van een kopvlak en een dunnefilm structuur, en werkwijze voor het vervaardigen van de magneetkop. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69419390D1 true DE69419390D1 (de) | 1999-08-12 |
DE69419390T2 DE69419390T2 (de) | 2000-02-17 |
Family
ID=3887569
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69419390T Expired - Fee Related DE69419390T2 (de) | 1993-11-22 | 1994-11-17 | Magnetkopf mit einer Kopfseite und einer Dünnfilmstruktur und Magnetkopfherstellungsverfahren |
Country Status (5)
Country | Link |
---|---|
US (1) | US6233126B1 (de) |
EP (1) | EP0654782B1 (de) |
JP (1) | JPH07192228A (de) |
BE (1) | BE1007775A3 (de) |
DE (1) | DE69419390T2 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997036289A1 (en) * | 1996-03-27 | 1997-10-02 | Philips Electronics N.V. | Magnetic head with uninterrupted flux guide |
US6223420B1 (en) | 1998-12-04 | 2001-05-01 | International Business Machines Corporation | Method of making a read head with high resistance soft magnetic flux guide layer for enhancing read sensor efficiency |
US7683445B2 (en) * | 2005-02-24 | 2010-03-23 | Everspin Technologies, Inc. | Enhanced permeability device structures and method |
US7285835B2 (en) * | 2005-02-24 | 2007-10-23 | Freescale Semiconductor, Inc. | Low power magnetoelectronic device structures utilizing enhanced permeability materials |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7901578A (nl) | 1979-02-28 | 1980-09-01 | Philips Nv | Magnetoweerstandkop. |
JPS5977618A (ja) * | 1982-10-27 | 1984-05-04 | Sony Corp | 磁気抵抗効果形磁気ヘツド |
JPS59111929A (ja) | 1982-12-15 | 1984-06-28 | Masanori Abe | フエライト膜作製方法 |
JPH0664718B2 (ja) * | 1985-07-01 | 1994-08-22 | 株式会社東芝 | 薄膜磁気ヘツド |
JPH07105006B2 (ja) * | 1985-11-05 | 1995-11-13 | ソニー株式会社 | 磁気抵抗効果型磁気ヘツド |
US4754354A (en) | 1986-05-05 | 1988-06-28 | Eastman Kodak Company | Ferrite film insulating layer in a yoke-type magneto-resistive head |
JP2507710B2 (ja) * | 1986-08-20 | 1996-06-19 | 関西日本電気株式会社 | ヨ−ク型薄膜磁気ヘツド |
JPH056515A (ja) * | 1991-06-28 | 1993-01-14 | Hitachi Ltd | 薄膜磁気ヘツド |
JP2740586B2 (ja) * | 1991-08-12 | 1998-04-15 | アルプス電気株式会社 | 薄膜磁気ヘッド |
-
1993
- 1993-11-22 BE BE9301284A patent/BE1007775A3/nl not_active IP Right Cessation
-
1994
- 1994-11-17 DE DE69419390T patent/DE69419390T2/de not_active Expired - Fee Related
- 1994-11-17 EP EP94203349A patent/EP0654782B1/de not_active Expired - Lifetime
- 1994-11-21 JP JP6286354A patent/JPH07192228A/ja active Pending
-
1996
- 1996-08-15 US US08/698,193 patent/US6233126B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0654782B1 (de) | 1999-07-07 |
US6233126B1 (en) | 2001-05-15 |
EP0654782A2 (de) | 1995-05-24 |
EP0654782A3 (en) | 1995-06-21 |
DE69419390T2 (de) | 2000-02-17 |
BE1007775A3 (nl) | 1995-10-17 |
JPH07192228A (ja) | 1995-07-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |