DE69028357D1 - Verfahren zur Herstellung von Magnetköpfen - Google Patents

Verfahren zur Herstellung von Magnetköpfen

Info

Publication number
DE69028357D1
DE69028357D1 DE69028357T DE69028357T DE69028357D1 DE 69028357 D1 DE69028357 D1 DE 69028357D1 DE 69028357 T DE69028357 T DE 69028357T DE 69028357 T DE69028357 T DE 69028357T DE 69028357 D1 DE69028357 D1 DE 69028357D1
Authority
DE
Germany
Prior art keywords
production
magnetic heads
heads
magnetic
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
DE69028357T
Other languages
English (en)
Other versions
DE69028357T2 (de
Inventor
Shinichi Nanjyo
Masahiko Yamazaki
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
Publication of DE69028357D1 publication Critical patent/DE69028357D1/de
Application granted granted Critical
Publication of DE69028357T2 publication Critical patent/DE69028357T2/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
    • 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
    • G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one track
    • G11B5/295—Manufacture
    • 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
    • G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
    • 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
    • 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
    • Y10T29/49048—Machining magnetic material [e.g., grinding, etching, polishing]
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
DE69028357T 1989-06-27 1990-06-26 Verfahren zur Herstellung von Magnetköpfen Expired - Fee Related DE69028357T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1164556A JP2674220B2 (ja) 1989-06-27 1989-06-27 磁気ヘッドの製造方法

Publications (2)

Publication Number Publication Date
DE69028357D1 true DE69028357D1 (de) 1996-10-10
DE69028357T2 DE69028357T2 (de) 1997-02-06

Family

ID=15795408

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69028357T Expired - Fee Related DE69028357T2 (de) 1989-06-27 1990-06-26 Verfahren zur Herstellung von Magnetköpfen

Country Status (5)

Country Link
US (1) US4999904A (de)
EP (1) EP0405900B1 (de)
JP (1) JP2674220B2 (de)
KR (1) KR0183982B1 (de)
DE (1) DE69028357T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03241507A (ja) * 1990-02-17 1991-10-28 Sony Corp 磁気ヘッドの製造方法
JPH041909A (ja) * 1990-04-18 1992-01-07 Mitsubishi Electric Corp 可動型回転磁気ヘッド装置
JP2518128B2 (ja) * 1992-08-27 1996-07-24 東洋製罐株式会社 金属缶内面被膜の欠陥検査装置
JPH0682427A (ja) * 1992-08-31 1994-03-22 Jiyooben Denki Kk プラスチック製中空容器のピンホール検出用電極
KR19990035914A (ko) * 1995-07-26 1999-05-25 앤드류 크라이더 다중 채널 헤드 조립체용 방법 및 장치
US5994736A (en) 1997-09-22 1999-11-30 United Microelectronics Corporation Semiconductor device having buried gate electrode with silicide layer and manufacture method thereof
US6288870B1 (en) * 1998-01-13 2001-09-11 Quantum Corporation Self-aligned metal film core multi-channel recording head for tape drives
US7193813B2 (en) * 2002-09-26 2007-03-20 International Business Machines Corporation Angled flat-type recording head designed for near-constant resolution at varying type velocities
GB2508387A (en) * 2012-11-30 2014-06-04 Ibm Tape servo pattern write head
US9047899B1 (en) 2014-05-15 2015-06-02 International Business Machines Corporation Servo pattern of a tape storage medium
US8941949B1 (en) 2014-05-15 2015-01-27 International Business Machines Corporation Write head
US9058828B1 (en) 2014-05-15 2015-06-16 International Business Machines Corporation Servo pattern of a tape storage medium

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4425701A (en) * 1980-10-17 1984-01-17 Matsushita Electric Industrial Co., Ltd. Methods of making magnetic recording heads
US4373173A (en) * 1981-03-19 1983-02-08 International Business Machines Corporation Multi-element head assembly
JPS59112423A (ja) * 1982-12-20 1984-06-28 Sony Corp 複合磁気ヘツドの製法
JPS6052911A (ja) * 1983-08-31 1985-03-26 Nec Kansai Ltd マルチトラツク磁気ヘツド
JPS63231711A (ja) * 1987-03-20 1988-09-27 Canon Electronics Inc 磁気ヘツドおよびその製造方法

Also Published As

Publication number Publication date
KR910001646A (ko) 1991-01-31
EP0405900B1 (de) 1996-09-04
US4999904A (en) 1991-03-19
EP0405900A2 (de) 1991-01-02
DE69028357T2 (de) 1997-02-06
JPH0330104A (ja) 1991-02-08
JP2674220B2 (ja) 1997-11-12
KR0183982B1 (ko) 1999-04-15
EP0405900A3 (en) 1993-08-04

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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