DE69229037T2 - Dünnfilmmagnetkopf - Google Patents

Dünnfilmmagnetkopf

Info

Publication number
DE69229037T2
DE69229037T2 DE69229037T DE69229037T DE69229037T2 DE 69229037 T2 DE69229037 T2 DE 69229037T2 DE 69229037 T DE69229037 T DE 69229037T DE 69229037 T DE69229037 T DE 69229037T DE 69229037 T2 DE69229037 T2 DE 69229037T2
Authority
DE
Germany
Prior art keywords
thin film
magnetic head
film magnetic
head
thin
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
Application number
DE69229037T
Other languages
English (en)
Other versions
DE69229037D1 (de
Inventor
Noriyuki Ito
Yuzuru Iwai
Mikio Matsuzaki
Junichi Sato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TDK Corp
Original Assignee
TDK Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by TDK Corp filed Critical TDK Corp
Application granted granted Critical
Publication of DE69229037D1 publication Critical patent/DE69229037D1/de
Publication of DE69229037T2 publication Critical patent/DE69229037T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
    • 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
    • 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
    • G11B5/3967—Composite structural arrangements of transducers, e.g. inductive write and magnetoresistive read
DE69229037T 1992-01-28 1992-12-01 Dünnfilmmagnetkopf Expired - Fee Related DE69229037T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4037288A JP2662334B2 (ja) 1992-01-28 1992-01-28 薄膜磁気ヘッド

Publications (2)

Publication Number Publication Date
DE69229037D1 DE69229037D1 (de) 1999-06-02
DE69229037T2 true DE69229037T2 (de) 1999-11-25

Family

ID=12493526

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69229037T Expired - Fee Related DE69229037T2 (de) 1992-01-28 1992-12-01 Dünnfilmmagnetkopf

Country Status (4)

Country Link
US (1) US5768065A (de)
EP (1) EP0553434B1 (de)
JP (1) JP2662334B2 (de)
DE (1) DE69229037T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3520170B2 (ja) * 1996-04-02 2004-04-19 Ｔｄｋ株式会社 複合型薄膜磁気ヘッド
US5764446A (en) * 1996-05-01 1998-06-09 International Business Machines Corporation Magnetic head having an air bearing surface with short-resistant leads
US6296741B1 (en) * 1999-06-25 2001-10-02 International Business Machines Corporation Method of making oxide barrier layer for a spin tunnel junction
US7239478B1 (en) * 2004-01-31 2007-07-03 Western Digital (Fremont), Inc. Write element for perpendicular recording in a data storage system
US8724434B2 (en) 2012-03-23 2014-05-13 Tdk Corporation Magnetic recording system and magnetic recording device
US9520175B2 (en) 2013-11-05 2016-12-13 Tdk Corporation Magnetization controlling element using magnetoelectric effect

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3921217A (en) * 1971-12-27 1975-11-18 Ibm Three-legged magnetic recording head using a magnetorestive element
US3908194A (en) * 1974-08-19 1975-09-23 Ibm Integrated magnetoresistive read, inductive write, batch fabricated magnetic head
US3975772A (en) * 1975-06-02 1976-08-17 International Business Machines Corporation Double shielded magnetorestive sensing element
US4438470A (en) * 1981-07-20 1984-03-20 Canon Kabushiki Kaisha Magnetic head of magnetic reluctance effect type and a method for making the same
JPS599986A (ja) * 1982-07-08 1984-01-19 Matsushita Electric Ind Co Ltd 薄膜磁電変換素子
US4504880A (en) * 1982-08-09 1985-03-12 International Business Machines Corporation Integrated magnetic recording head assembly including an inductive write subassembly and a magnetoresistive read subassembly
JPS60107718A (ja) * 1983-11-17 1985-06-13 Nippon Telegr & Teleph Corp <Ntt> 薄膜再生ヘツド
JPS60147915A (ja) * 1984-01-12 1985-08-05 Nippon Telegr & Teleph Corp <Ntt> 磁気抵抗効果ヘツド
US4623867A (en) * 1984-08-13 1986-11-18 Ampex Corporation Permanent magnet biased narrow track magnetoresistive transducer
US4698711A (en) * 1985-10-02 1987-10-06 International Business Machines Corporation Simplified, shielded twin-track read/write head structure
US4967298A (en) * 1987-02-17 1990-10-30 Mowry Greg S Magnetic head with magnetoresistive sensor, inductive write head, and shield
US4885649A (en) * 1987-04-01 1989-12-05 Digital Equipment Corporation Thin film head having a magneto-restrictive read element
JPS63304416A (ja) * 1987-06-05 1988-12-12 Hitachi Ltd 磁気抵抗効果型再生ヘツド
US5218497A (en) * 1988-12-02 1993-06-08 Hitachi, Ltd. Magnetic recording-reproducing apparatus and magnetoresistive head having two or more magnetoresistive films for use therewith
JP2728487B2 (ja) * 1989-02-08 1998-03-18 株式会社日立製作所 録再分離複合型磁気ヘッド
US5264980A (en) * 1989-08-02 1993-11-23 Seagate Technology, Inc. Magnetoresistive head and head setting method
JPH03290812A (ja) * 1990-04-06 1991-12-20 Hitachi Ltd 磁気ヘツド
US5309304A (en) * 1992-06-05 1994-05-03 Hewlett-Packard Company Magnetoresistive transducer conductor configuration

Also Published As

Publication number Publication date
EP0553434A3 (en) 1993-12-22
JPH05205223A (ja) 1993-08-13
US5768065A (en) 1998-06-16
JP2662334B2 (ja) 1997-10-08
EP0553434B1 (de) 1999-04-28
EP0553434A2 (de) 1993-08-04
DE69229037D1 (de) 1999-06-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee