DE69717094T2 - Kopf mit Teillesemitteln für einen Plattenspeicher - Google Patents
Kopf mit Teillesemitteln für einen PlattenspeicherInfo
- Publication number
- DE69717094T2 DE69717094T2 DE69717094T DE69717094T DE69717094T2 DE 69717094 T2 DE69717094 T2 DE 69717094T2 DE 69717094 T DE69717094 T DE 69717094T DE 69717094 T DE69717094 T DE 69717094T DE 69717094 T2 DE69717094 T2 DE 69717094T2
- Authority
- DE
- Germany
- Prior art keywords
- disk storage
- partial head
- partial
- head
- disk
- 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
-
- 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
- G11B5/265—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track
- G11B5/2652—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track with more than one gap simultaneously operative
- G11B5/2654—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track with more than one gap simultaneously operative for recording or erasing
-
- 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
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
- G11B5/3103—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing
-
- 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
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
- G11B5/3176—Structure of heads comprising at least in the transducing gap regions two magnetic thin films disposed respectively at both sides of the gaps
- G11B5/3179—Structure of heads comprising at least in the transducing gap regions two magnetic thin films disposed respectively at both sides of the gaps the films being mainly disposed in parallel planes
- G11B5/3183—Structure of heads comprising at least in the transducing gap regions two magnetic thin films disposed respectively at both sides of the gaps the films being mainly disposed in parallel planes intersecting the gap plane, e.g. "horizontal head 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
- G11B5/3906—Details related to the use of magnetic thin film layers or to their effects
- G11B5/3945—Heads comprising more than one sensitive element
- G11B5/3948—Heads comprising more than one sensitive element the sensitive elements being active read-out elements
-
- 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
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/488—Disposition of heads
- G11B5/4886—Disposition of heads relative to rotating disc
-
- 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
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
- G11B5/55—Track change, selection or acquisition by displacement of the head
- G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
- G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
-
- 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
- G11B5/3945—Heads comprising more than one sensitive element
- G11B5/3948—Heads comprising more than one sensitive element the sensitive elements being active read-out elements
- G11B5/3958—Heads comprising more than one sensitive element the sensitive elements being active read-out elements the active elements being arranged in a single plane, e.g. "matrix" disposition
-
- 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
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
- G11B5/55—Track change, selection or acquisition by displacement of the head
- G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
- G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
- G11B5/553—Details
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Digital Magnetic Recording (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP97830369A EP0892390B1 (de) | 1997-07-18 | 1997-07-18 | Kopf mit Teillesemitteln für einen Plattenspeicher |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69717094D1 DE69717094D1 (de) | 2002-12-19 |
DE69717094T2 true DE69717094T2 (de) | 2003-08-21 |
Family
ID=8230719
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69717094T Expired - Fee Related DE69717094T2 (de) | 1997-07-18 | 1997-07-18 | Kopf mit Teillesemitteln für einen Plattenspeicher |
Country Status (4)
Country | Link |
---|---|
US (1) | US6532130B1 (de) |
EP (1) | EP0892390B1 (de) |
JP (1) | JP3955388B2 (de) |
DE (1) | DE69717094T2 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005004924A (ja) * | 2003-06-13 | 2005-01-06 | Hitachi Ltd | 情報再生方法及び情報再生装置 |
US7453671B1 (en) * | 2005-10-31 | 2008-11-18 | Stoarge Technology Corporation | Magnetic head having a pair of magneto-resistive (MR) readers of the same type with each reader being tuned differently |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61210512A (ja) * | 1985-03-15 | 1986-09-18 | Sanyo Electric Co Ltd | 薄膜磁気ヘツドの製造方法 |
JPH07111770B2 (ja) * | 1985-07-19 | 1995-11-29 | キヤノン株式会社 | 信号再生装置 |
JPS6353711A (ja) * | 1986-08-25 | 1988-03-08 | Mitsubishi Electric Corp | 磁気デイスク装置 |
FR2604021B1 (fr) * | 1986-09-17 | 1988-10-28 | Commissariat Energie Atomique | Procede de realisation de tetes magnetiques en couches minces et a structure planaire et tete obtenue par ce procede |
JPH0618057B2 (ja) * | 1986-11-28 | 1994-03-09 | 日本電気株式会社 | 薄膜磁気ヘッド |
US4954920A (en) * | 1986-11-28 | 1990-09-04 | Nec Corporation | Thin film magnetic head |
JPH01264619A (ja) * | 1988-04-15 | 1989-10-20 | Seiko Epson Corp | 薄膜磁気ヘッド |
JPH0287313A (ja) * | 1988-09-24 | 1990-03-28 | Fuji Xerox Co Ltd | トラッキングサーボ方法,磁気ヘッド及び該磁気ヘッドの製法 |
FR2645315B1 (fr) * | 1989-03-29 | 1991-05-31 | Commissariat Energie Atomique | Tete magnetique de lecture a magnetoresistance pour enregistrement perpendiculaire et procede de realisation d'une telle tete |
US5257148A (en) * | 1989-05-30 | 1993-10-26 | Tandberg Data As | Method and apparatus for positioning a magnetic head in a magnetic layer memory system using tracking by reading a spaced pair of corresponding subtracks |
DE69126082T2 (de) * | 1990-09-27 | 1997-10-02 | Toshiba Kawasaki Kk | Magnetischer Kopf |
US5555142A (en) * | 1990-09-27 | 1996-09-10 | Kabushiki Kaisha Toshiba | Magnetic disk system |
US5477405A (en) * | 1991-11-27 | 1995-12-19 | Mitsubishi Denki Kabushiki Kaisha | Plural track head magnetic recording/reproducing arrangement |
JPH06215322A (ja) * | 1993-01-18 | 1994-08-05 | Matsushita Electric Ind Co Ltd | 磁気ヘッド |
US5420736A (en) * | 1994-04-15 | 1995-05-30 | International Business Machines Corporation | MR read transducer with thermal noise cancellation |
US5898534A (en) * | 1996-05-01 | 1999-04-27 | Overland Data, Inc. | Method and system for controlling the position of a magnetic read head |
US6157510A (en) * | 1998-03-10 | 2000-12-05 | Maxtor Corporation | Magnetic storage device with multiple read elements which are offset laterally and longitudinally |
-
1997
- 1997-07-18 EP EP97830369A patent/EP0892390B1/de not_active Expired - Lifetime
- 1997-07-18 DE DE69717094T patent/DE69717094T2/de not_active Expired - Fee Related
-
1998
- 1998-04-23 JP JP11395098A patent/JP3955388B2/ja not_active Expired - Fee Related
- 1998-07-16 US US09/116,406 patent/US6532130B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0892390A1 (de) | 1999-01-20 |
US6532130B1 (en) | 2003-03-11 |
JP3955388B2 (ja) | 2007-08-08 |
JPH11134610A (ja) | 1999-05-21 |
EP0892390B1 (de) | 2002-11-13 |
DE69717094D1 (de) | 2002-12-19 |
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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 |