JPH0320003U - - Google Patents

Info

Publication number
JPH0320003U
JPH0320003U JP7813689U JP7813689U JPH0320003U JP H0320003 U JPH0320003 U JP H0320003U JP 7813689 U JP7813689 U JP 7813689U JP 7813689 U JP7813689 U JP 7813689U JP H0320003 U JPH0320003 U JP H0320003U
Authority
JP
Japan
Prior art keywords
several
magnetic
field modulation
magnetic field
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.)
Pending
Application number
JP7813689U
Other languages
English (en)
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 filed Critical
Priority to JP7813689U priority Critical patent/JPH0320003U/ja
Publication of JPH0320003U publication Critical patent/JPH0320003U/ja
Pending legal-status Critical Current

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  • Recording Or Reproducing By Magnetic Means (AREA)

Description

【図面の簡単な説明】
第1図aはこの考案の一実施例の磁界変調用磁
気ヘツドの斜視図、第1図bはaの破線A,A′
から切つた断面図、第2図は第1図bのP部の拡
大図、第3図は従来の磁界変調用磁気ヘツドの斜
視図。 1……センターコア、2……外周コア、3……
コイル、4……リード線、6……金属強磁性体薄
膜、7……絶縁体薄膜。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 光磁気記録に用いられる磁界変調用磁気ヘ
    ツドにおいて、その磁気コアを、厚さ1μmない
    し20μmに金属強磁性体薄膜を厚さ数百Aない
    し数μmの絶縁体薄膜を挟んで数層ないし数千層
    積層して、円筒状に形成したことを特徴とする磁
    界変調用磁気ヘツド。 (2) 前記実用新案請求の範囲の記載において、
    円筒状磁気コアを、中心円柱部と外周円筒部及び
    底面からなる縦断面E字型に形成することを特徴
    とする磁界変調用磁気ヘツド。
JP7813689U 1989-06-30 1989-06-30 Pending JPH0320003U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7813689U JPH0320003U (ja) 1989-06-30 1989-06-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7813689U JPH0320003U (ja) 1989-06-30 1989-06-30

Publications (1)

Publication Number Publication Date
JPH0320003U true JPH0320003U (ja) 1991-02-27

Family

ID=31621140

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7813689U Pending JPH0320003U (ja) 1989-06-30 1989-06-30

Country Status (1)

Country Link
JP (1) JPH0320003U (ja)

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