KR870011263A - 자기헤드용 비정질합금 - Google Patents

자기헤드용 비정질합금 Download PDF

Info

Publication number
KR870011263A
KR870011263A KR870002638A KR870002638A KR870011263A KR 870011263 A KR870011263 A KR 870011263A KR 870002638 A KR870002638 A KR 870002638A KR 870002638 A KR870002638 A KR 870002638A KR 870011263 A KR870011263 A KR 870011263A
Authority
KR
South Korea
Prior art keywords
magnetic head
amorphous alloy
alloy
amorphous
ruf
Prior art date
Application number
KR870002638A
Other languages
English (en)
Other versions
KR900002758B1 (ko
Inventor
미끼오 나까모도
아끼히로 마끼노
Original Assignee
가다오까 가쓰다로오
알프스 덴기 가부시기가이샤
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 가부시기가이샤 filed Critical 가다오까 가쓰다로오
Publication of KR870011263A publication Critical patent/KR870011263A/ko
Application granted granted Critical
Publication of KR900002758B1 publication Critical patent/KR900002758B1/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
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
    • G11B5/65—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition
    • G11B5/656—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing Co
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/147—Alloys characterised by their composition
    • H01F1/153—Amorphous metallic alloys, e.g. glassy metals
    • H01F1/15316—Amorphous metallic alloys, e.g. glassy metals based on Co
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C45/00—Amorphous alloys
    • C22C45/04—Amorphous alloys with nickel or cobalt as the major constituent
    • 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
    • G11B5/147—Structure or manufacture of heads, e.g. inductive with cores being composed of metal sheets, i.e. laminated cores with cores composed of isolated magnetic layers, e.g. sheets
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C2200/00—Crystalline structure
    • C22C2200/02—Amorphous
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Soft Magnetic Materials (AREA)
  • Magnetic Heads (AREA)

Abstract

내용 없음

Description

자기헤드용 비정질합금
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 내식성을 유지하는데 필요한 합금조성중의 c/c+d와 Cr량과의 관계를 표시한 그래프.
제2도는 합금중의 Ru량과 합금의 마모량과의 관계를 표시한 그래프.
제3도는 합금중의 Cr량과 포화자속밀도와의 관계를 표시한 그래프.

Claims (1)

  1. 조성식이(Fe 1-a, Co a) 100-e-f-b Cre Ruf (Sic Bd)b
    단 a=0.93~0.95
    c/c+d=0.55~0.65
    b=22~27
    e=0.4-2.6
    f=1.5~4.0
    에 의해 조성되는 것이 특징인 자기헤드용 비정질합금.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019870002638A 1986-05-19 1987-03-23 자기헤드용 비정질합금 KR900002758B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP112798 1986-05-19
JP61112798A JPS62270741A (ja) 1986-05-19 1986-05-19 磁気ヘツド用非晶質合金

Publications (2)

Publication Number Publication Date
KR870011263A true KR870011263A (ko) 1987-12-22
KR900002758B1 KR900002758B1 (ko) 1990-04-28

Family

ID=14595784

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870002638A KR900002758B1 (ko) 1986-05-19 1987-03-23 자기헤드용 비정질합금

Country Status (3)

Country Link
US (1) US4750951A (ko)
JP (1) JPS62270741A (ko)
KR (1) KR900002758B1 (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2040741C (en) * 1990-04-24 2000-02-08 Kiyonori Suzuki Fe based soft magnetic alloy, magnetic materials containing same, and magnetic apparatus using the magnetic materials
JP3231149B2 (ja) * 1993-07-30 2001-11-19 アルプス電気株式会社 ノイズフィルタ

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3856513A (en) * 1972-12-26 1974-12-24 Allied Chem Novel amorphous metals and amorphous metal articles
JPS5713137A (en) * 1980-06-24 1982-01-23 Toshiba Corp Amorphous alloy for magnetic head
JPS5719361A (en) * 1980-07-11 1982-02-01 Hitachi Ltd Amorphous alloy for core of magnetic head and magnetic head for video using it
JPS5754251A (en) * 1980-09-15 1982-03-31 Tdk Corp Amorphous magnetic alloy material
JPS57116740A (en) * 1981-01-10 1982-07-20 Tdk Corp Amorphous magnetic alloy material for magnetic head
JPS57198521A (en) * 1981-05-28 1982-12-06 Tdk Corp Core for magnetic head
JPS57198522A (en) * 1981-05-30 1982-12-06 Tdk Corp Core for magnetic head
JPS5825449A (ja) * 1981-08-05 1983-02-15 Toshiba Corp 磁気ヘツド用非晶質磁性合金
JPS5831053A (ja) * 1981-08-18 1983-02-23 Toshiba Corp 非晶質合金
JPS58120759A (ja) * 1982-01-08 1983-07-18 Toshiba Corp 磁気ヘツド用非晶質合金
JPS6024338A (ja) * 1983-07-19 1985-02-07 Hitachi Metals Ltd 非晶質強磁性合金
JPS61243144A (ja) * 1985-04-20 1986-10-29 Alps Electric Co Ltd 磁気ヘツド用非晶質合金
JPS61194609A (ja) * 1985-02-21 1986-08-29 Sony Corp 複合磁気ヘツド
JPS6169939A (ja) * 1985-09-19 1986-04-10 Toshiba Corp 磁気ヘツド用非晶質合金

Also Published As

Publication number Publication date
US4750951A (en) 1988-06-14
KR900002758B1 (ko) 1990-04-28
JPH05465B2 (ko) 1993-01-06
JPS62270741A (ja) 1987-11-25

Similar Documents

Publication Publication Date Title
KR870001322A (ko) 내식성 비결정성 크롬 합금 조성물
KR850007509A (ko) 자성박막
KR850007510A (ko) 자성박막
KR870000049A (ko) 생체용 아모르퍼스(amorphous)전극
KR910001711A (ko) 자기기록매체와 그 제조방법 및 사용방법
KR870011263A (ko) 자기헤드용 비정질합금
KR890012016A (ko) 고포화 자속밀도 합금
KR860003590A (ko) 자기 기록 매체 및 그 제조법
KR840008465A (ko) Co-Nb-Zr계(系) 비정질 자성합금(非晶質磁性合金) 및 이를 사용한 자기헤드
KR870011582A (ko) 자기 기록 매체
KR870000682A (ko) 자기 기록 매체
KR850006202A (ko) 자기 피복 조성물 및 자기 기록 대체(磁氣被覆組成勿 및 磁氣記錄媒體)
KR850000744A (ko) 연 자성 재료
KR860004159A (ko) 자기헤드용 비정질 합금
KR870009042A (ko) 피막용 합금
JPS57198522A (en) Core for magnetic head
DE3881927D1 (de) Verwendung eines werkstoffs aus mikroduplexgefuege.
KR890007231A (ko) 자기기록매체
KR890701786A (ko) 고내식 비결정성 합금
KR900002249A (ko) 자성박막
SE8800919L (sv) Legering med utmaerkt erosionsmotstaand
KR950034071A (ko) 자성합금
JPS575845A (en) Magnetic alloy for use as core of magnetic head
JPS57198521A (en) Core for magnetic head
JPS572864A (en) Magnetic alloy for core of magnetic head

Legal Events

Date Code Title Description
A201 Request for examination
O035 Opposition [patent]: request for opposition

Free format text: OPPOSITION NUMBER: 001989000484001989000485; OPPOSITION DATE: 27610622

G160 Decision to publish patent application
J2X1 Appeal (before the patent court)

Free format text: APPEAL AGAINST DECISION TO DECLINE REFUSAL

Free format text: TRIAL NUMBER: 1991201001915; APPEAL AGAINST DECISION TO DECLINE REFUSAL