DE69222256T2 - Magnetkopf - Google Patents

Magnetkopf

Info

Publication number
DE69222256T2
DE69222256T2 DE1992622256 DE69222256T DE69222256T2 DE 69222256 T2 DE69222256 T2 DE 69222256T2 DE 1992622256 DE1992622256 DE 1992622256 DE 69222256 T DE69222256 T DE 69222256T DE 69222256 T2 DE69222256 T2 DE 69222256T2
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
DE1992622256
Other languages
English (en)
Other versions
DE69222256D1 (de
Inventor
Takashi Naito
Takashi Namekawa
Akira Kato
Yasutaka Suzuki
Kouji Arikawa
Tsukasa Ohata
Shigeki Yamamura
Hideki Gunji
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of DE69222256D1 publication Critical patent/DE69222256D1/de
Publication of DE69222256T2 publication Critical patent/DE69222256T2/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
    • G11B5/23—Gap features
    • 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
    • G11B5/1276—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 including at least one magnetic thin film
DE1992622256 1991-10-23 1992-10-22 Magnetkopf Expired - Fee Related DE69222256T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3302744A JP2674390B2 (ja) 1991-10-23 1991-10-23 磁気ヘッド、及び対向した部材がガラスで接合された物品

Publications (2)

Publication Number Publication Date
DE69222256D1 DE69222256D1 (de) 1997-10-23
DE69222256T2 true DE69222256T2 (de) 1998-02-12

Family

ID=17912627

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1992622256 Expired - Fee Related DE69222256T2 (de) 1991-10-23 1992-10-22 Magnetkopf

Country Status (3)

Country Link
EP (1) EP0538852B1 (de)
JP (1) JP2674390B2 (de)
DE (1) DE69222256T2 (de)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6288109A (ja) * 1985-10-14 1987-04-22 Hitachi Ltd アモルフアス磁性合金磁気ヘツドおよびその製法
JPH0686309B2 (ja) * 1989-02-23 1994-11-02 株式会社日立製作所 磁気ヘッド並びにその製造方法及び磁気記録再生装置

Also Published As

Publication number Publication date
DE69222256D1 (de) 1997-10-23
JPH05124836A (ja) 1993-05-21
JP2674390B2 (ja) 1997-11-12
EP0538852A1 (de) 1993-04-28
EP0538852B1 (de) 1997-09-17

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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