KR910005237A - 자기 기록매체 - Google Patents

자기 기록매체 Download PDF

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Publication number
KR910005237A
KR910005237A KR1019900012871A KR900012871A KR910005237A KR 910005237 A KR910005237 A KR 910005237A KR 1019900012871 A KR1019900012871 A KR 1019900012871A KR 900012871 A KR900012871 A KR 900012871A KR 910005237 A KR910005237 A KR 910005237A
Authority
KR
South Korea
Prior art keywords
recording medium
magnetic recording
magnetic
magnetization
recording media
Prior art date
Application number
KR1019900012871A
Other languages
English (en)
Other versions
KR930004444B1 (ko
Inventor
노부유끼 아오끼
케이이찌 오찌아이
히데아끼 고모다
Original Assignee
다니이 아끼오
마쯔시다덴기산교 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
Priority claimed from JP1214490A external-priority patent/JPH0378115A/ja
Priority claimed from JP2086539A external-priority patent/JPH03286420A/ja
Application filed by 다니이 아끼오, 마쯔시다덴기산교 가부시기가이샤 filed Critical 다니이 아끼오
Publication of KR910005237A publication Critical patent/KR910005237A/ko
Application granted granted Critical
Publication of KR930004444B1 publication Critical patent/KR930004444B1/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
    • G11B5/62—Record carriers characterised by the selection of the material
    • 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
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
    • G11B5/70626—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances
    • G11B5/70642—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances iron oxides
    • G11B5/70678—Ferrites
    • 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

  • Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)

Abstract

내용 없음.

Description

자기 기록매체
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 자기기록매체의 길이방향에 자화용이축을 가지는 본 발명의 실시예에 의한 테이프형 자기기록매체의 종단면도.
제2도는 자기기록매체의 두께방향에 자화용이축을 가지는 본 발명의 다른 실시예에 의한 자기기록매체의 종단면도.
제3도는 본 발명의 실시예에 의한 자기기록매체용으로 사용된 자성분의 X-레이 회절패턴도.

Claims (6)

  1. BaO, Fe12-x-ySnxMgyO18(여기에서, 0.55x0.88, 0.71y1.05)로 각각 표시되는 6방 페라이트자성분체로 구성된 자성층을 가지는 자기기록매체.
  2. 제1항에 있어서, 상기 6방 페라이트자성분체는 상기 자성층이 적용된 자계의 방향으로 잔류자화를 항상 제공할 수 있도록 배향되어 있는 것을 특징으로 하는 자기기록매체.
  3. 제1항에 있어서, 상기 자기기록매체는 테이프형상이며 적용된 자계의 길이방향으로 자화용이축을 가지는 기록매체 서을 특징으로 하는 자기기록매체.
  4. 제1항에 있어서, 상기 자기기록매체는 적용된 자계의 두께방향으로 자화용이축을 가지는 것을 특징으로 하는 자기기록매체.
  5. 제1항에 있어서, 상기 자기기록매체는 500 Oe에서 1,700 Oe까지의 보자력 영역을 가지는 것을 특징으로 하는 자기기록매체.
  6. 제1항에 있어서, 상기 기록매체는 3,000 Oe 이하의 비등방성계를 가지는 것을 특징으로 하는 자기기록매체.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900012871A 1989-08-21 1990-08-21 자기 기록매체 KR930004444B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP1-214490 1989-08-21
JP1214490A JPH0378115A (ja) 1989-08-21 1989-08-21 磁気記録媒体
JP2-86539 1990-03-30
JP2086539A JPH03286420A (ja) 1990-03-30 1990-03-30 磁気記録媒体

Publications (2)

Publication Number Publication Date
KR910005237A true KR910005237A (ko) 1991-03-30
KR930004444B1 KR930004444B1 (ko) 1993-05-27

Family

ID=26427643

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900012871A KR930004444B1 (ko) 1989-08-21 1990-08-21 자기 기록매체

Country Status (2)

Country Link
US (1) US5114801A (ko)
KR (1) KR930004444B1 (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5384182A (en) * 1990-05-11 1995-01-24 Kabushiki Kaisha Toshiba Magnetic recording medium and a method for producing the same wherein the medium has two magnetic layers differing in degree of orientation
US5494732A (en) * 1992-01-06 1996-02-27 Kabushiki Kaisha Toshiba Magnetic recording medium and a method for producing the same wherein the medium has two magnetic layers differing in degree of orientation
JPH0620254A (ja) * 1992-07-03 1994-01-28 Tdk Corp 磁気記録媒体およびその製造方法
US5798176A (en) * 1993-09-13 1998-08-25 Kao Corporation Magnetic recording medium
JP3536938B2 (ja) * 1994-10-14 2004-06-14 富士写真フイルム株式会社 磁気記録媒体
JP3547022B2 (ja) * 1994-12-16 2004-07-28 富士写真フイルム株式会社 磁気記録媒体
JP4056095B2 (ja) * 1995-01-10 2008-03-05 富士フイルム株式会社 磁気記録媒体
US20090295526A1 (en) * 2006-03-29 2009-12-03 Hideto Mikami Coil Component and Its Manufacturing Method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3023166A (en) * 1956-08-18 1962-02-27 Philips Corp Magnetic record carrier
US4820433A (en) * 1986-09-05 1989-04-11 Nippon Zeon Co., Ltd. Magnetic powder for magnetic recording
JPS63171418A (ja) * 1987-01-09 1988-07-15 Hitachi Maxell Ltd 磁気記録媒体

Also Published As

Publication number Publication date
KR930004444B1 (ko) 1993-05-27
US5114801A (en) 1992-05-19

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