DE69102173D1 - Verfahren zur Herstellung eines Magnetkopfes. - Google Patents

Verfahren zur Herstellung eines Magnetkopfes.

Info

Publication number
DE69102173D1
DE69102173D1 DE69102173T DE69102173T DE69102173D1 DE 69102173 D1 DE69102173 D1 DE 69102173D1 DE 69102173 T DE69102173 T DE 69102173T DE 69102173 T DE69102173 T DE 69102173T DE 69102173 D1 DE69102173 D1 DE 69102173D1
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
DE69102173T
Other languages
English (en)
Other versions
DE69102173T2 (de
Inventor
Tatsushi 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
Publication of DE69102173D1 publication Critical patent/DE69102173D1/de
Application granted granted Critical
Publication of DE69102173T2 publication Critical patent/DE69102173T2/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
    • G11B5/187—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
DE69102173T 1990-03-19 1991-03-19 Verfahren zur Herstellung eines Magnetkopfes. Expired - Fee Related DE69102173T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2070962A JPH0785289B2 (ja) 1990-03-19 1990-03-19 磁気ヘッドの製造方法

Publications (2)

Publication Number Publication Date
DE69102173D1 true DE69102173D1 (de) 1994-07-07
DE69102173T2 DE69102173T2 (de) 1995-01-12

Family

ID=13446653

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69102173T Expired - Fee Related DE69102173T2 (de) 1990-03-19 1991-03-19 Verfahren zur Herstellung eines Magnetkopfes.

Country Status (4)

Country Link
US (1) US5145555A (de)
EP (1) EP0448033B1 (de)
JP (1) JPH0785289B2 (de)
DE (1) DE69102173T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2633097B2 (ja) * 1991-04-16 1997-07-23 シャープ株式会社 磁気ヘッドの製造方法
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
CA2097388A1 (en) * 1992-07-16 1994-01-17 Susan Nord Bohlke Topographical selective patterns
US6416880B1 (en) 1993-12-09 2002-07-09 Seagate Technology, Llc Amorphous permalloy films and method of preparing the same
JP4539282B2 (ja) * 2004-04-16 2010-09-08 富士電機デバイステクノロジー株式会社 垂直磁気記録媒体用ディスク基板及びそれを用いた垂直磁気記録媒体
US20060210837A1 (en) * 2004-04-16 2006-09-21 Fuji Electric Device Method of plating on a glass base plate, a method of manufacturing a disk substrate for a perpendicular magnetic recording medium, a disk substrate for a perpendicular magnetic recording medium, and a perpendicular magnetic recording medium
JP4475026B2 (ja) * 2004-06-11 2010-06-09 富士電機デバイステクノロジー株式会社 無電解めっき方法、磁気記録媒体および磁気記録装置
JP4479528B2 (ja) * 2004-07-27 2010-06-09 富士電機デバイステクノロジー株式会社 ガラス基体へのめっき方法、そのめっき方法を用いる磁気記録媒体用ディスク基板の製造方法及び垂直磁気記録媒体の製造方法
JP4479571B2 (ja) * 2005-04-08 2010-06-09 富士電機デバイステクノロジー株式会社 磁気記録媒体の製造方法
CN1326791C (zh) * 2005-05-26 2007-07-18 上海交通大学 在硼硅玻璃表面加工微槽阵列的方法

Family Cites Families (8)

* 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
JPS61230605A (ja) * 1985-04-05 1986-10-14 Hitachi Ltd 磁気ヘツドの製造方法
JPS6413909A (en) * 1987-07-07 1989-01-18 Iseki Agricult Mach Reaping part elevating apparatus using hydraulic transmission equipment
JPS6433709A (en) * 1987-07-29 1989-02-03 Sharp Kk Magnetic head
JP2644768B2 (ja) * 1987-09-14 1997-08-25 シャープ株式会社 磁気ヘッドの製造方法
JPH07306B2 (ja) * 1988-06-30 1995-01-11 フクビ化学工業株式会社 硬化型樹脂成形品の製造法
JPH0235011A (ja) * 1988-07-26 1990-02-05 Kubota Ltd 草刈機
JP2829973B2 (ja) * 1988-07-30 1998-12-02 ソニー株式会社 磁気ヘッド

Also Published As

Publication number Publication date
EP0448033B1 (de) 1994-06-01
US5145555A (en) 1992-09-08
DE69102173T2 (de) 1995-01-12
JPH03269809A (ja) 1991-12-02
EP0448033A3 (en) 1992-01-08
EP0448033A2 (de) 1991-09-25
JPH0785289B2 (ja) 1995-09-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: PATENTANWAELTE MUELLER & HOFFMANN, 81667 MUENCHEN

8339 Ceased/non-payment of the annual fee