KR880005565A - 부동식 자기헤드 - Google Patents

부동식 자기헤드 Download PDF

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Publication number
KR880005565A
KR880005565A KR870005394A KR870005394A KR880005565A KR 880005565 A KR880005565 A KR 880005565A KR 870005394 A KR870005394 A KR 870005394A KR 870005394 A KR870005394 A KR 870005394A KR 880005565 A KR880005565 A KR 880005565A
Authority
KR
South Korea
Prior art keywords
magnetic
cross
section
gap
depth
Prior art date
Application number
KR870005394A
Other languages
English (en)
Other versions
KR900007476B1 (ko
Inventor
도시히로 구리야마
Original Assignee
가다오까 가쓰다로오
알프스 덴기 가부시기 가이샤
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 가다오까 가쓰다로오, 알프스 덴기 가부시기 가이샤 filed Critical 가다오까 가쓰다로오
Publication of KR880005565A publication Critical patent/KR880005565A/ko
Application granted granted Critical
Publication of KR900007476B1 publication Critical patent/KR900007476B1/ko

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
    • G11B5/1875—"Composite" pole pieces, i.e. poles composed in some parts of magnetic particles and in some other parts of magnetic metal layers
    • G11B5/1877—"Composite" pole pieces, i.e. poles composed in some parts of magnetic particles and in some other parts of magnetic metal layers including at least one magnetic thin film
    • G11B5/1878—"Composite" pole pieces, i.e. poles composed in some parts of magnetic particles and in some other parts of magnetic metal layers including at least one magnetic thin film disposed immediately adjacent to the transducing gap, e.g. "Metal-In-Gap" structure
    • 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

Abstract

내용 없음

Description

부동식 자기헤드
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 일실시예에 관한 부동시 자기헤드의 자기 갭부의 확대단면도.
제2도 (a),(b)는 제1도의 부동식 자기헤드를 설명하기 위한 도.
제3도 (a),(b)는 제1도에 나타낸 부동식 자기헤드의 전자변환 효율을 설명하기위한 측면도 및 등가자기회로도.
* 도면의 주요 부분에 대한 부호의 설명
1,2 : 자기코어 1a,2a : 단면
3 : 자성금속 박막층 4 : 제1자기갭
5 : 제2자기갭 10 : 접점면
Gd : 갭길이 h : 단면깊이

Claims (1)

  1. 리딩축자기코어의 단면에 인접하여 소정의 두께로 형성된 비자성박막으로 이루어진 제1자기갭과 이 제1자기갭에 인접하여 소정의 두께로 형성된 자성금속 박막층과, 이 자성금속 박막층과 트레이링측 자기코어의 단면과의 사이에 형성된 제2자기갭을 가지고, 상기 리딩측 자기코어의 단면의 자기기록매체의 접접면으로부터의 깊이인 갭깊이를 10μ이하로 하고, 상기 트레이링측 자기코어의 단면의 접접면으로부터의 깊이를 1O0μm이상으로 한 것을 특징으로 하는 부동식 자기헤드.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019870005394A 1986-10-28 1987-05-29 부동식 자기헤드 KR900007476B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP258029 1986-10-28
JP61258029A JPH0731782B2 (ja) 1986-10-28 1986-10-28 浮動式磁気ヘツド

Publications (2)

Publication Number Publication Date
KR880005565A true KR880005565A (ko) 1988-06-29
KR900007476B1 KR900007476B1 (ko) 1990-10-10

Family

ID=17314544

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870005394A KR900007476B1 (ko) 1986-10-28 1987-05-29 부동식 자기헤드

Country Status (3)

Country Link
US (1) US4768118A (ko)
JP (1) JPH0731782B2 (ko)
KR (1) KR900007476B1 (ko)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5245488A (en) * 1986-08-13 1993-09-14 Seiko Epson Corporation Low-noise composite magnetic head for recording and producing
JPH0827898B2 (ja) * 1988-03-29 1996-03-21 日立金属株式会社 浮上型複合磁気ヘッド及びその磁気コア
US5068959A (en) * 1988-07-11 1991-12-03 Digital Equipment Corporation Method of manufacturing a thin film head
US5001589A (en) * 1989-05-31 1991-03-19 Seagate Technology, Inc. Tungsten and tantalum diffusion barriers for Metal-In-Gap magnetic heads
EP0466159B1 (en) * 1990-07-13 1996-02-28 Fuji Photo Film Co., Ltd. Composite magnetic head
GB2278489B (en) * 1992-11-11 1996-10-23 Japan Energy Corp Magnetic head
AU6032494A (en) * 1993-02-12 1994-08-29 Data Card Corporation Magnetic stripe read/write head
US6833976B2 (en) 2002-05-15 2004-12-21 International Business Machine Corporation Thin film magnetic recording inductive write head with laminated write gap
US7500302B2 (en) * 2005-04-11 2009-03-10 Hitachi Global Storage Technologies, Netherlands B.V. Process for fabricating a magnetic recording head with a laminated write gap
US7525760B2 (en) * 2005-04-11 2009-04-28 Hitachi Global Storage Technologies B.V. Laminated write gap to improve writer performance

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4285019A (en) * 1980-03-10 1981-08-18 Memorex Corporation Contoured magnetic recording head/slider assembly
JPS58137127A (ja) * 1982-02-10 1983-08-15 Hitachi Metals Ltd 磁気ヘツド装置
NL8401116A (nl) * 1984-04-09 1985-11-01 Philips Nv Magnetische leeskop met een meervoudige spleet.

Also Published As

Publication number Publication date
KR900007476B1 (ko) 1990-10-10
JPS63112812A (ja) 1988-05-17
JPH0731782B2 (ja) 1995-04-10
US4768118A (en) 1988-08-30

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E701 Decision to grant or registration of patent right
GRNT Written decision to grant
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