DE69220284D1 - Magnetkopf und Verfahren zur Herstellung desselben - Google Patents

Magnetkopf und Verfahren zur Herstellung desselben

Info

Publication number
DE69220284D1
DE69220284D1 DE69220284T DE69220284T DE69220284D1 DE 69220284 D1 DE69220284 D1 DE 69220284D1 DE 69220284 T DE69220284 T DE 69220284T DE 69220284 T DE69220284 T DE 69220284T DE 69220284 D1 DE69220284 D1 DE 69220284D1
Authority
DE
Germany
Prior art keywords
manufacturing
same
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
DE69220284T
Other languages
English (en)
Other versions
DE69220284T2 (de
Inventor
Tatsuhi Yamamoto
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Application granted granted Critical
Publication of DE69220284D1 publication Critical patent/DE69220284D1/de
Publication of DE69220284T2 publication Critical patent/DE69220284T2/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
    • G11B5/1272—Assembling or shaping of 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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/147—Structure or manufacture of heads, e.g. inductive with cores being composed of metal sheets, i.e. laminated cores with cores composed of isolated magnetic layers, e.g. sheets
    • G11B5/1475—Assembling or shaping of 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
    • G11B5/127—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
    • G11B5/1871—Shaping or contouring of the transducing or guiding surface
    • 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
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/49055—Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic
    • Y10T29/49057—Using glass bonding material
DE69220284T 1991-04-16 1992-04-14 Magnetkopf und Verfahren zur Herstellung desselben Expired - Fee Related DE69220284T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3084191A JP2633097B2 (ja) 1991-04-16 1991-04-16 磁気ヘッドの製造方法

Publications (2)

Publication Number Publication Date
DE69220284D1 true DE69220284D1 (de) 1997-07-17
DE69220284T2 DE69220284T2 (de) 1998-01-22

Family

ID=13823586

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69220284T Expired - Fee Related DE69220284T2 (de) 1991-04-16 1992-04-14 Magnetkopf und Verfahren zur Herstellung desselben

Country Status (4)

Country Link
US (1) US5276959A (de)
EP (1) EP0509461B1 (de)
JP (1) JP2633097B2 (de)
DE (1) DE69220284T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2895680B2 (ja) * 1992-07-08 1999-05-24 シャープ株式会社 磁気ヘッドおよびその製造方法
JPH0830909A (ja) * 1994-07-15 1996-02-02 Sony Corp 磁気ヘッド
JPH103605A (ja) * 1996-06-13 1998-01-06 Sony Corp 磁気ヘッドの製造方法
JPH1049814A (ja) * 1996-07-30 1998-02-20 Mitsumi Electric Co Ltd 磁気ヘッド
JP4008420B2 (ja) * 2004-02-23 2007-11-14 Ｔｄｋ株式会社 磁気記録媒体の製造方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2554041B2 (ja) * 1984-09-27 1996-11-13 シャープ株式会社 磁気ヘッドコアの製造方法
JPS62146411A (ja) * 1985-12-20 1987-06-30 Victor Co Of Japan Ltd 複合磁気ヘツド及びその製造方法
JPS62170007A (ja) * 1986-01-22 1987-07-27 Victor Co Of Japan Ltd 磁気ヘツド
JPS6433709A (en) * 1987-07-29 1989-02-03 Sharp Kk Magnetic head
JPH01113909A (ja) * 1987-10-28 1989-05-02 Hitachi Ltd 磁気ヘツド
JPH01211309A (ja) * 1988-02-19 1989-08-24 Matsushita Electric Ind Co Ltd 磁気ヘッド
JPH01235011A (ja) * 1988-03-14 1989-09-20 Matsushita Electric Ind Co Ltd 磁気ヘッドの製造方法
JP2829973B2 (ja) * 1988-07-30 1998-12-02 ソニー株式会社 磁気ヘッド
JPH02108208A (ja) * 1988-10-17 1990-04-20 Victor Co Of Japan Ltd 磁気ヘッド
JPH02128309A (ja) * 1988-11-08 1990-05-16 Matsushita Electric Ind Co Ltd 磁気ヘッド
DE69016834T2 (de) * 1989-05-29 1995-07-27 Sharp Kk Herstellungsverfahren eines Magnetkopfes.
JPH0340207A (ja) * 1989-07-07 1991-02-21 Hitachi Ltd 磁気ヘッド
JPH03144904A (ja) * 1989-10-31 1991-06-20 Matsushita Electric Ind Co Ltd 積層型磁気ヘッドの製造方法
JPH0785289B2 (ja) * 1990-03-19 1995-09-13 シャープ株式会社 磁気ヘッドの製造方法

Also Published As

Publication number Publication date
JPH04318304A (ja) 1992-11-09
DE69220284T2 (de) 1998-01-22
EP0509461A3 (en) 1993-04-07
EP0509461B1 (de) 1997-06-11
US5276959A (en) 1994-01-11
JP2633097B2 (ja) 1997-07-23
EP0509461A2 (de) 1992-10-21

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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