KR970060076A - 자기헤드용 연자성 박막구조 - Google Patents

자기헤드용 연자성 박막구조 Download PDF

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Publication number
KR970060076A
KR970060076A KR1019960000457A KR19960000457A KR970060076A KR 970060076 A KR970060076 A KR 970060076A KR 1019960000457 A KR1019960000457 A KR 1019960000457A KR 19960000457 A KR19960000457 A KR 19960000457A KR 970060076 A KR970060076 A KR 970060076A
Authority
KR
South Korea
Prior art keywords
thin film
soft magnetic
film structure
magnetic head
magnetic
Prior art date
Application number
KR1019960000457A
Other languages
English (en)
Other versions
KR0179266B1 (ko
Inventor
김태영
Original Assignee
구자홍
Lg 전자 주식회사
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 구자홍, Lg 전자 주식회사 filed Critical 구자홍
Priority to KR1019960000457A priority Critical patent/KR0179266B1/ko
Publication of KR970060076A publication Critical patent/KR970060076A/ko
Application granted granted Critical
Publication of KR0179266B1 publication Critical patent/KR0179266B1/ko

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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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3109—Details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00—Thin magnetic films, e.g. of one-domain structure
    • H01F10/08—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
    • H01F10/10—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
    • H01F10/12—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys
    • H01F10/14—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys containing iron or nickel

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Magnetic Heads (AREA)
  • Thin Magnetic Films (AREA)

Abstract

본 발명은 자기헤드 갭(head gap) 양측에 고포화 자속밀도를 갖는 박막층과 부(-)의 자왜정수를 갖는 박막층을 상호교대로 적층하여 전체적으로 자왜정수를 Zero에 근접시켜 우수한 연자기 특성을 갖게하는 자기헤드용 연자성 박막구조에 관한 것으로, 헤드갭 양쪽에 성막되는 연자성 박막이 코아측으로부터 FeCo/Ni 또는 FeCoN/Ni 층이 교대로 적층된 구조로 하여 이루어짐을 특징으로 하는 연자성 박막구조에 관한 기술이다.

Description

자기헤드용 연자성 박막구조
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제3도는 본 발명에 따른 FeCo/Ni 적층 박막구조를 나타낸 상태도.
제4도는 FeCo/Ni 적층 박막에서 Ni 두께비율에 따른 자왜정수의 변화를 나타낸 상태도.
제5도는 FeCo/Ni 적층 박막에서 Ni 두께 비율에 따른 보자력 및 포화작속 밀도의 변화를 나타낸 상태도.
제6도는 FeCo/Ni 적층 및 FeCoN/Ni 적층막에서 투자율의 주파수 특성을 나타낸 상태도.

Claims (2)

  1. 자기헤드 갭 양쪽에 성막되는 연자성박막이 코아측으로부터 Fe100-xCox/Ni(10 x 90wl%) 박막층이 교대로 적층된 구조로 이루어짐을 특징으로 하는 자기헤드용 연자성 박막구조.
  2. 제1항에 있어서 FeCo/Ni층 성막시 질소를 첨가하여 FeCoN/Ni 층이 교대로 적층된 구조로 이루어짐을 특징으로 하는 자기헤드용 연자성 박막구조.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960000457A 1996-01-11 1996-01-11 자기헤드용 연자성 박막구조 KR0179266B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019960000457A KR0179266B1 (ko) 1996-01-11 1996-01-11 자기헤드용 연자성 박막구조

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960000457A KR0179266B1 (ko) 1996-01-11 1996-01-11 자기헤드용 연자성 박막구조

Publications (2)

Publication Number Publication Date
KR970060076A true KR970060076A (ko) 1997-08-12
KR0179266B1 KR0179266B1 (ko) 1999-04-15

Family

ID=19449290

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960000457A KR0179266B1 (ko) 1996-01-11 1996-01-11 자기헤드용 연자성 박막구조

Country Status (1)

Country Link
KR (1) KR0179266B1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100723901B1 (ko) * 2005-03-23 2007-06-04 후지쯔 가부시끼가이샤 연자성 박막 및 자기 기록 헤드

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100723901B1 (ko) * 2005-03-23 2007-06-04 후지쯔 가부시끼가이샤 연자성 박막 및 자기 기록 헤드

Also Published As

Publication number Publication date
KR0179266B1 (ko) 1999-04-15

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