DE69125780D1 - Magnetischer Kopf - Google Patents

Magnetischer Kopf

Info

Publication number
DE69125780D1
DE69125780D1 DE69125780T DE69125780T DE69125780D1 DE 69125780 D1 DE69125780 D1 DE 69125780D1 DE 69125780 T DE69125780 T DE 69125780T DE 69125780 T DE69125780 T DE 69125780T DE 69125780 D1 DE69125780 D1 DE 69125780D1
Authority
DE
Germany
Prior art keywords
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
DE69125780T
Other languages
English (en)
Other versions
DE69125780T2 (de
Inventor
Joichiro Ezaki
Kazumasa Fukuda
Yoshiaki Ito
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.)
TDK Corp
Original Assignee
TDK 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 TDK Corp filed Critical TDK Corp
Publication of DE69125780D1 publication Critical patent/DE69125780D1/de
Application granted granted Critical
Publication of DE69125780T2 publication Critical patent/DE69125780T2/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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3109—Details
    • G11B5/3116—Shaping of layers, poles or gaps for improving the form of the electrical signal transduced, e.g. for shielding, contour effect, equalizing, side flux fringing, cross talk reduction between heads or between heads and information tracks
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
DE1991625780 1990-10-05 1991-10-01 Magnetischer Kopf Expired - Fee Related DE69125780T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2267966A JP3005969B2 (ja) 1990-10-05 1990-10-05 磁気ヘッド

Publications (2)

Publication Number Publication Date
DE69125780D1 true DE69125780D1 (de) 1997-05-28
DE69125780T2 DE69125780T2 (de) 1997-11-27

Family

ID=17452067

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1991625780 Expired - Fee Related DE69125780T2 (de) 1990-10-05 1991-10-01 Magnetischer Kopf

Country Status (3)

Country Link
EP (1) EP0479252B1 (de)
JP (1) JP3005969B2 (de)
DE (1) DE69125780T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5916424A (en) * 1996-04-19 1999-06-29 Micrion Corporation Thin film magnetic recording heads and systems and methods for manufacturing the same
JP3755560B2 (ja) 1998-06-30 2006-03-15 富士通株式会社 磁気ヘッド及びその製造方法
US6510024B2 (en) 1998-06-30 2003-01-21 Fujitsu Limited Magnetic head and method of manufacturing the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4762755A (en) * 1983-11-02 1988-08-09 Hitachi, Ltd. Ferromagnetic material and a magnetic head using the same material
JPS6120212A (ja) * 1984-07-06 1986-01-29 Hitachi Ltd 薄膜磁気ヘツドの製造方法
JPS61237216A (ja) * 1985-04-12 1986-10-22 Fujitsu Ltd 薄膜磁気ヘツドの製造方法
JPS6292213A (ja) * 1985-10-18 1987-04-27 Seiko Epson Corp 磁気ヘツド
EP0452846B1 (de) * 1990-04-16 1996-02-28 Hitachi, Ltd. Dünnfilm-Magnetkopf mit schmaler Spurbreite und dessen Herstellungsverfahren

Also Published As

Publication number Publication date
EP0479252B1 (de) 1997-04-23
EP0479252A1 (de) 1992-04-08
JPH04146510A (ja) 1992-05-20
DE69125780T2 (de) 1997-11-27
JP3005969B2 (ja) 2000-02-07

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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