DE3585243D1 - Magnetisches aufnahme- oder wiedergabesystem mit zusammengesetztem magnetkopf. - Google Patents

Magnetisches aufnahme- oder wiedergabesystem mit zusammengesetztem magnetkopf.

Info

Publication number
DE3585243D1
DE3585243D1 DE8585104722T DE3585243T DE3585243D1 DE 3585243 D1 DE3585243 D1 DE 3585243D1 DE 8585104722 T DE8585104722 T DE 8585104722T DE 3585243 T DE3585243 T DE 3585243T DE 3585243 D1 DE3585243 D1 DE 3585243D1
Authority
DE
Germany
Prior art keywords
playback system
magnetic
magnetic recording
magnetic head
recording
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
Application number
DE8585104722T
Other languages
English (en)
Inventor
Shigekazu Otomo
Noriyuki Kumasaka
Takeo Yamashita
Juichi Morikawa
Takayuki Kobayashi
Mitsuhiro Kudo
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of DE3585243D1 publication Critical patent/DE3585243D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/1875—"Composite" pole pieces, i.e. poles composed in some parts of magnetic particles and in some other parts of magnetic metal layers
    • 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
    • G11B5/1274—Structure or manufacture of heads, e.g. inductive with "composite" cores, i.e. cores composed in some parts of magnetic particles and in some other parts of magnetic metal layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
DE8585104722T 1984-04-20 1985-04-18 Magnetisches aufnahme- oder wiedergabesystem mit zusammengesetztem magnetkopf. Expired - Lifetime DE3585243D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59078587A JPS60224109A (ja) 1984-04-20 1984-04-20 複合型磁気ヘツドを用いた磁気記録再生装置

Publications (1)

Publication Number Publication Date
DE3585243D1 true DE3585243D1 (de) 1992-03-05

Family

ID=13666041

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585104722T Expired - Lifetime DE3585243D1 (de) 1984-04-20 1985-04-18 Magnetisches aufnahme- oder wiedergabesystem mit zusammengesetztem magnetkopf.

Country Status (4)

Country Link
US (1) US4731683A (de)
EP (1) EP0159039B1 (de)
JP (1) JPS60224109A (de)
DE (1) DE3585243D1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4819091A (en) * 1987-04-30 1989-04-04 International Business Machines Corporation High speed magnetic disk contact recording system
JPH0235609A (ja) * 1988-07-26 1990-02-06 Matsushita Electric Ind Co Ltd 磁気ヘッドおよびその製造方法
JP2619017B2 (ja) * 1988-10-11 1997-06-11 日立マクセル株式会社 複合磁気ヘッド
US5208965A (en) * 1989-01-17 1993-05-11 Victor Company Of Japan, Ltd. Method for producing magnetic head having track regulation grooves formed at tape sliding surface
JP2759271B2 (ja) * 1989-01-17 1998-05-28 日本ビクター株式会社 磁気ヘッドとその製造方法
JPH03120601A (ja) * 1989-10-04 1991-05-22 Nikon Corp 光磁気ディスク装置の外部磁界発生装置
US6600631B1 (en) 1989-11-27 2003-07-29 Censtor Corp. Transducer/flexure/conductor structure for electromagnetic read/write system
US5162073A (en) * 1990-02-15 1992-11-10 Applied Magnetics Corporation Textured air bearing surface
KR100242036B1 (ko) * 1991-01-08 2000-02-01 다카노 야스아키 자기 헤드
KR950011125B1 (ko) * 1992-10-30 1995-09-28 엘지전자주식회사 자기헤드의 제조방법
US5336550A (en) * 1993-05-18 1994-08-09 Applied Magnetics Corporation Carbon overcoat for magnetic head sliders
US5654850A (en) * 1993-05-18 1997-08-05 Applied Magnetics Corp. Carbon overcoat with electrically conductive adhesive layer for magnetic head sliders
US5452166A (en) * 1993-10-01 1995-09-19 Applied Magnetics Corporation Thin film magnetic recording head for minimizing undershoots and a method for manufacturing the same
JP2000509872A (ja) * 1997-02-24 2000-08-02 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 最適化された結晶方位を有する磁気ヘッドを具えた記録及び／又は再生装置、及び最適化された結晶方位を有する磁気ヘッド

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3810245A (en) * 1971-06-28 1974-05-07 Sony Corp Single crystal ferrite magnetic head
NL175473C (nl) * 1972-06-20 1984-11-01 Matsushita Electric Ind Co Ltd Ferrietkern voor een magneetkop en werkwijze voor het vervaardigen van een ferrietkern.
JPS5194211A (de) * 1975-02-15 1976-08-18
US4161005A (en) * 1976-11-01 1979-07-10 Canon Kabushiki Kaisha Magnetic heads and fixing material with an additional filler of MoS2
JPS5496012A (en) * 1978-01-13 1979-07-30 Victor Co Of Japan Ltd Magnetic head
JPS56159818A (en) * 1980-05-14 1981-12-09 Hitachi Ltd Magnetic head and its production
JPS56163518A (en) * 1980-05-16 1981-12-16 Hitachi Ltd Magnetic head
JPS5753814A (ja) * 1980-09-17 1982-03-31 Toshiba Corp Suichokujikagatajikihetsudo
JPS57162116A (en) * 1981-03-30 1982-10-05 Hitachi Ltd Compound magnetic head and its manufacture
JPS5815513A (ja) * 1981-07-21 1983-01-28 Mitsui Toatsu Chem Inc 光学用の共重合樹脂組成物
JPS5888814A (ja) * 1981-11-24 1983-05-27 Matsushita Electric Ind Co Ltd 磁気ヘツド
JPS5891517A (ja) * 1981-11-27 1983-05-31 Hitachi Ltd 磁気記録再生装置
NL8200481A (nl) * 1982-02-09 1983-09-01 Philips Nv Magneetkop.

Also Published As

Publication number Publication date
JPS60224109A (ja) 1985-11-08
EP0159039B1 (de) 1992-01-22
US4731683A (en) 1988-03-15
EP0159039A3 (en) 1988-01-07
EP0159039A2 (de) 1985-10-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition