DE69317372T2 - Verfahren zur Herstellung eines Magnetkopfes - Google Patents

Verfahren zur Herstellung eines Magnetkopfes

Info

Publication number
DE69317372T2
DE69317372T2 DE69317372T DE69317372T DE69317372T2 DE 69317372 T2 DE69317372 T2 DE 69317372T2 DE 69317372 T DE69317372 T DE 69317372T DE 69317372 T DE69317372 T DE 69317372T DE 69317372 T2 DE69317372 T2 DE 69317372T2
Authority
DE
Germany
Prior art keywords
manufacturing
magnetic head
magnetic
head
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
DE69317372T
Other languages
English (en)
Other versions
DE69317372D1 (de
Inventor
Tadashi Saito
Shinji Takahashi
Toshinobu Watanabe
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69317372D1 publication Critical patent/DE69317372D1/de
Publication of DE69317372T2 publication Critical patent/DE69317372T2/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
    • G11B5/187—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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/11—Magnetic recording head
    • Y10T428/1193—Magnetic recording head with interlaminar component [e.g., adhesion layer, etc.]
DE69317372T 1992-12-14 1993-12-10 Verfahren zur Herstellung eines Magnetkopfes Expired - Fee Related DE69317372T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP35281992 1992-12-14

Publications (2)

Publication Number Publication Date
DE69317372D1 DE69317372D1 (de) 1998-04-16
DE69317372T2 true DE69317372T2 (de) 1998-10-08

Family

ID=18426657

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69317372T Expired - Fee Related DE69317372T2 (de) 1992-12-14 1993-12-10 Verfahren zur Herstellung eines Magnetkopfes

Country Status (3)

Country Link
US (1) US5519556A (de)
EP (1) EP0602567B1 (de)
DE (1) DE69317372T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09274708A (ja) * 1996-04-02 1997-10-21 Victor Co Of Japan Ltd 磁気ヘッド及び磁気ヘッド組立体
JPH103605A (ja) * 1996-06-13 1998-01-06 Sony Corp 磁気ヘッドの製造方法
JPH10302211A (ja) * 1997-01-14 1998-11-13 Sony Corp 磁気ヘッド及びその製造方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6157024A (ja) * 1984-08-28 1986-03-22 Sharp Corp 磁気ヘツドの製造方法
EP0191447B1 (de) * 1985-02-15 1992-05-13 Matsushita Electric Industrial Co., Ltd. Magnetkopf
DE3681806D1 (de) * 1985-03-13 1991-11-14 Matsushita Electric Ind Co Ltd Magnetkopf.
JPS61233405A (ja) * 1985-04-08 1986-10-17 Matsushita Electric Ind Co Ltd 磁気ヘツド
JPS62188206A (ja) * 1985-10-07 1987-08-17 Nippon Mining Co Ltd Ｆｅ−Ｓｉ−Ａｌ合金磁性膜及びその製造方法並びに薄膜積層磁気ヘツド
JPH0764584B2 (ja) * 1986-08-11 1995-07-12 ソニー株式会社 磁気ヘツド用ボンデイングガラス
US5245488A (en) * 1986-08-13 1993-09-14 Seiko Epson Corporation Low-noise composite magnetic head for recording and producing
JPS6374103A (ja) * 1986-09-18 1988-04-04 Victor Co Of Japan Ltd 複合型磁気ヘッド及びその製造方法
JPS63249912A (ja) * 1987-04-06 1988-10-17 Canon Electronics Inc 磁気ヘツド
JP2676520B2 (ja) * 1988-03-04 1997-11-17 アルプス電気株式会社 磁気ヘッドの製造方法
JPH0235619A (ja) * 1988-03-29 1990-02-06 Hitachi Metals Ltd 浮上型複合磁気ヘッド及びその製造方法
JPH0258714A (ja) * 1988-08-23 1990-02-27 Nippon Mining Co Ltd 磁気ヘッド
JPH0312805A (ja) * 1989-06-09 1991-01-21 Sanyo Electric Co Ltd 磁気ヘッド及びその製造方法
US5222006A (en) * 1989-06-16 1993-06-22 Canon Denshi Kabushiki Kaisha Magnetic head and core chip having a magnetic thin film
JPH0340207A (ja) * 1989-07-07 1991-02-21 Hitachi Ltd 磁気ヘッド
JPH03119504A (ja) * 1989-09-30 1991-05-21 Sony Corp 磁気ヘッド
US5262915A (en) * 1990-08-23 1993-11-16 Tdk Corporation Magnetic head comprising a soft magnetic thin film of FeNiZrN having enhanced (100) orientation
EP0531514B1 (de) * 1991-03-25 1996-08-28 Eastman Kodak Company Magnetkopf zur Aufzeichnung mit hoher Frequenz und hoher Dichte
JPH054836A (ja) * 1991-06-24 1993-01-14 Hitachi Metals Ltd 磁気ヘツド組立用ボンデイングガラス及び磁気ヘツド

Also Published As

Publication number Publication date
EP0602567B1 (de) 1998-03-11
EP0602567A2 (de) 1994-06-22
US5519556A (en) 1996-05-21
EP0602567A3 (de) 1994-10-12
DE69317372D1 (de) 1998-04-16

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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