KR880003288A - 자기 기록 매체 - Google Patents

자기 기록 매체 Download PDF

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Publication number
KR880003288A
KR880003288A KR1019870008250A KR870008250A KR880003288A KR 880003288 A KR880003288 A KR 880003288A KR 1019870008250 A KR1019870008250 A KR 1019870008250A KR 870008250 A KR870008250 A KR 870008250A KR 880003288 A KR880003288 A KR 880003288A
Authority
KR
South Korea
Prior art keywords
magnetic recording
coating film
recording medium
magnetic
magnetic powder
Prior art date
Application number
KR1019870008250A
Other languages
English (en)
Other versions
KR920002577B1 (ko
Inventor
하지메 후구게
모도오 아가기
요시기 가도우
와이지 나가시로
Original Assignee
미다 가쓰시게
가부시기가이샤 히다찌세이사꾸쇼
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 미다 가쓰시게, 가부시기가이샤 히다찌세이사꾸쇼 filed Critical 미다 가쓰시게
Publication of KR880003288A publication Critical patent/KR880003288A/ko
Application granted granted Critical
Publication of KR920002577B1 publication Critical patent/KR920002577B1/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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • 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
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y10T428/265—1 mil or less
    • 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]
    • Y10T428/31511—Of epoxy ether

Landscapes

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

Abstract

내용 없음

Description

자기 기록 매체
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 1실시예에 있어서의 자기 기록 매체를 도시한 단면도
제2도는 본 발명의 다른 실시예에 있어서의 자기 기록 매체를 도시한 단면도.

Claims (6)

  1. 자성분말을 함유하는 두께가 1㎛ 이하의 코링막을 비자성기판상에 마련한 자기 기록 매체에 있어서, 상기 코팅막 중의 자성분말양이 66내지 90중량%인것을 특징으로 하는 자기 기록 매체.
  2. 자성분말을 함유하는 코팅막을 비자성 기판상에 마련한 자기 기록 매체에 있어서, 상기 코팅막의 두께가 0.5㎛이하, 상기 코팅막중의 상기 자성분말양이 66내지 90중량%인것을 특징으로 하는 자기기록 매체.
  3. 특허 청구의 범위 제2항에 있어서, 상기 코팅막의 두께가 0.1~0.5㎛ 인것을특징으로 하는 자기 기록 매체.
  4. 특허 청구의 범위 제1항에 있어서, 상기 코팅막중의 상기 자성분말양이 70 내지 90중량%인것을 특징으로 하는 자기 기록 매체.
  5. 특허 청구의 범위 제 2항에 있어서, 상기 코팅막중의 상기 자성분말양이 70 내지 90중량%인것을 특징으로 하는 자기 기록 매체.
  6. 특허 청구의 범위 제1항에 있어서, 상기 코팅막이 1 내지 5중량%인 첨가제를 함유하는 것을 특징으로 하는 자기 기록 매체.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019870008250A 1986-08-15 1987-07-29 자기기록매체 KR920002577B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP61190518A JPS6348612A (ja) 1986-08-15 1986-08-15 磁気記録媒体
JP61-190518 1986-08-15
JP190518 1986-08-15

Publications (2)

Publication Number Publication Date
KR880003288A true KR880003288A (ko) 1988-05-16
KR920002577B1 KR920002577B1 (ko) 1992-03-30

Family

ID=16259424

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870008250A KR920002577B1 (ko) 1986-08-15 1987-07-29 자기기록매체

Country Status (4)

Country Link
US (1) US4789581A (ko)
JP (1) JPS6348612A (ko)
KR (1) KR920002577B1 (ko)
DE (1) DE3727197C2 (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5180616A (en) * 1986-06-23 1993-01-19 Hitachi, Ltd. Hard disk magnetic recording medium comprising magnetic powder and a binder and having a specified magnetic layer thickness and surface roughness
FR2638016A1 (fr) * 1988-10-18 1990-04-20 Kodak Pathe Procede de traitement de surface de couches magnetiques
FR2638000B1 (fr) * 1988-10-18 1990-12-14 Kodak Pathe Carte a memoire magnetique a grande capacite et procede de fabrication
US5965194A (en) * 1992-01-10 1999-10-12 Imation Corp. Magnetic recording media prepared from magnetic particles having an extremely thin, continuous, amorphous, aluminum hydrous oxide coating
JP2872227B2 (ja) * 1992-08-07 1999-03-17 戸田工業株式会社 磁気記録媒体用下地層

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1244108A (en) * 1968-02-12 1971-08-25 Fuji Photo Film Co Ltd Magnetic recording medium
US4122234A (en) * 1977-08-08 1978-10-24 Dysan Corporation Article employing a heat hardenable liquid film forming composition with particles dispersed therein and method for making same
JPS5555439A (en) * 1978-10-18 1980-04-23 Hitachi Ltd Magnetic recording medium composite
US4397751A (en) * 1981-05-04 1983-08-09 International Business Machines Corporation Magnetic disk coatings
JPS58125231A (ja) * 1982-01-19 1983-07-26 Fuji Photo Film Co Ltd 磁気記録媒体
DE3374152D1 (en) * 1983-05-02 1987-11-26 Ibm Deutschland Device consisting of a magnetic disc with a lubricant and a magnetic head, and process for manufacturing the device
JPS6173237A (ja) * 1984-09-18 1986-04-15 Hitachi Maxell Ltd 磁気デイスク
JPH0719364B2 (ja) * 1985-02-28 1995-03-06 富士写真フイルム株式会社 磁気記録媒体

Also Published As

Publication number Publication date
JPS6348612A (ja) 1988-03-01
US4789581A (en) 1988-12-06
DE3727197A1 (de) 1988-02-25
KR920002577B1 (ko) 1992-03-30
DE3727197C2 (de) 1994-09-22

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