KR900007005A - 적층자성체와 이의 제조방법 - Google Patents

적층자성체와 이의 제조방법 Download PDF

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Publication number
KR900007005A
KR900007005A KR1019890015733A KR890015733A KR900007005A KR 900007005 A KR900007005 A KR 900007005A KR 1019890015733 A KR1019890015733 A KR 1019890015733A KR 890015733 A KR890015733 A KR 890015733A KR 900007005 A KR900007005 A KR 900007005A
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KR
South Korea
Prior art keywords
film
magnetic
magnetic body
manufacturing
base film
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KR1019890015733A
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English (en)
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KR920003998B1 (ko
Inventor
겐 히로다
미쓰오 사도미
고오이찌 구기미야
Original Assignee
다니이 아끼오
마쓰시다 덴끼 산교오 가부시기 가이샤
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Publication of KR900007005A publication Critical patent/KR900007005A/ko
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Publication of KR920003998B1 publication Critical patent/KR920003998B1/ko

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    • 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
    • H01F1/032—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 hard-magnetic materials
    • H01F1/04—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 hard-magnetic materials metals or alloys
    • 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
    • G11B5/153—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 with tape-wound cores
    • 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
    • G11B5/133—Structure or manufacture of heads, e.g. inductive with cores composed of particles, e.g. with dust cores, with ferrite cores with cores composed of isolated magnetic particles
    • 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
    • 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
    • H01F1/14766—Fe-Si based alloys
    • H01F1/14791—Fe-Si-Al based alloys, e.g. Sendust
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0213—Manufacturing of magnetic circuits made from strip(s) or ribbon(s)
    • 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
    • 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
    • Y10S428/906—Roll or coil
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
    • Y10T29/49043—Depositing magnetic layer or coating
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/49067—Specified diverse magnetic materials
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31678—Of metal

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

Abstract

내용 없음.

Description

적층자성체와 이의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1a-1c 도는 녹색시이트를 열처리하여 얻은 소결물로 부터 적층자성코어를 절단하는 방법을 도시하고, 본 발명의 실시에 사용된 Fe-Si-Al 자성코어를 예시한 녹색시트의 투시도.
제 2a-2c 도는 본 발명에 의하여 제조된 적층자성코어로부터 자기녹음헤드를 제조하는 방법을 예시한 투시도.

Claims (4)

  1. 두층이 교대로 적층되는 다수의 Fe-Si-Al 형 자성금속층과 다수의 전기절연층을 갖고, 상기 자성금속이 0.001-0.32중량%의 산소를 함유함을 특징으로 하는 적층자성체.
  2. 기본필름에 0.001-0.3중량%의 산소를 함유하는 Fe-Si-Al 형금속의 자성분말로 만든 필름을 형성시키고, 상기 기본필름으로 부터 상기 자기분말의 필름을 분리시키고, 분리된 자기분말의 필름을 적층하여 적층구조물을 형성시키고, 상기 적층구조물을 압출시키는 단계로 이루어짐을 특징으로 하는 적층자성체의 제조방법.
  3. 제 2 항에 있어서, 비자성 전기절연체를 상기 기본필름에 침적시킴을 특징으로 하는 제조방법.
  4. 제 2 항에 있어서, 비자성 전기절연체의 분말을 미리 상기 기본필름에 사용하여 절연필름을 형성시키고, 이 절연필름을 Fe-Si-Al 형 금속의 자성분말 필름을 옮김을 특징으로 하는 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890015733A 1988-10-31 1989-10-31 적층자성체와 이의 제조방법 KR920003998B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP88-274830 1988-10-31
JP63274830A JPH02121309A (ja) 1988-10-31 1988-10-31 Ｆｅ−Ｓｉ−Ａｌ磁芯の製造法及びそれを用いた磁気ヘッド
JP63-274830 1988-10-31

Publications (2)

Publication Number Publication Date
KR900007005A true KR900007005A (ko) 1990-05-09
KR920003998B1 KR920003998B1 (ko) 1992-05-21

Family

ID=17547168

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890015733A KR920003998B1 (ko) 1988-10-31 1989-10-31 적층자성체와 이의 제조방법

Country Status (4)

Country Link
US (1) US5104739A (ko)
EP (1) EP0367144A3 (ko)
JP (1) JPH02121309A (ko)
KR (1) KR920003998B1 (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5529779A (en) * 1991-08-27 1996-06-25 Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo Purified propolis-extract, and its preparation and uses
KR101661495B1 (ko) 2015-10-13 2016-09-30 유니크바이오텍 주식회사 천연 벌꿀을 이용한 친환경 무알콜 수용성 프로폴리스 제조방법

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR950034083A (ko) * 1994-02-10 1995-12-26 오가 노리오 자기헤드
SE9402704D0 (sv) * 1994-08-12 1994-08-12 Peter Nygren Ferromagnetisk folie för transformator-och motorkärnor
US6744342B2 (en) * 2000-07-27 2004-06-01 Decristofaro Nicholas J. High performance bulk metal magnetic component
DE102008046336A1 (de) * 2008-09-09 2010-03-11 Osram Gesellschaft mit beschränkter Haftung LTCC-Schichtstapel

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4025379A (en) * 1973-05-03 1977-05-24 Whetstone Clayton N Method of making laminated magnetic material
JPS5357493A (en) * 1976-11-04 1978-05-24 Nippon Gakki Seizo Kk Manufacturing process of magnetic materials
JPS54116663A (en) * 1978-03-03 1979-09-11 Matsushita Electric Ind Co Ltd Magnetic device
JPS578922A (en) * 1980-06-18 1982-01-18 Dainippon Printing Co Ltd Magnetic sheet with transfer property
JPS60195710A (ja) * 1984-03-16 1985-10-04 Canon Electronics Inc 磁気ヘツドの製造方法
JPS6267712A (ja) * 1985-09-20 1987-03-27 Matsushita Electric Ind Co Ltd 合金磁気ヘツドの製造方法
US4894742A (en) * 1985-10-07 1990-01-16 Nippon Mining Company, Limited Thin-film laminated magnetic heads of Fe-Si-Al alloy
JPH0258714A (ja) * 1988-08-23 1990-02-27 Nippon Mining Co Ltd 磁気ヘッド

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5529779A (en) * 1991-08-27 1996-06-25 Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo Purified propolis-extract, and its preparation and uses
KR101661495B1 (ko) 2015-10-13 2016-09-30 유니크바이오텍 주식회사 천연 벌꿀을 이용한 친환경 무알콜 수용성 프로폴리스 제조방법

Also Published As

Publication number Publication date
EP0367144A2 (en) 1990-05-09
EP0367144A3 (en) 1991-10-09
US5104739A (en) 1992-04-14
JPH02121309A (ja) 1990-05-09
KR920003998B1 (ko) 1992-05-21

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