KR870001553A - 자기 기록 매체 - Google Patents

자기 기록 매체 Download PDF

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Publication number
KR870001553A
KR870001553A KR1019860005565A KR860005565A KR870001553A KR 870001553 A KR870001553 A KR 870001553A KR 1019860005565 A KR1019860005565 A KR 1019860005565A KR 860005565 A KR860005565 A KR 860005565A KR 870001553 A KR870001553 A KR 870001553A
Authority
KR
South Korea
Prior art keywords
magnetic
magnetic recording
carbon black
resin layer
recording medium
Prior art date
Application number
KR1019860005565A
Other languages
English (en)
Other versions
KR900006305B1 (ko
Inventor
이사오 사사끼
구찌 아끼라 호리
아끼라 호리구찌
이즈미 히로까즈 모리
Original Assignee
니뽕 빅터 가부시끼가이샤
이노우에 도시야
니뽕 빅터 가부시끼 가이샤
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 JP16026385A external-priority patent/JPS6222233A/ja
Priority claimed from JP60160262A external-priority patent/JPS6222238A/ja
Priority claimed from JP60165839A external-priority patent/JPS6226633A/ja
Application filed by 니뽕 빅터 가부시끼가이샤, 이노우에 도시야, 니뽕 빅터 가부시끼 가이샤 filed Critical 니뽕 빅터 가부시끼가이샤
Publication of KR870001553A publication Critical patent/KR870001553A/ko
Application granted granted Critical
Publication of KR900006305B1 publication Critical patent/KR900006305B1/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
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/735—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer characterised by the back layer
    • G11B5/7356—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer characterised by the back layer comprising non-magnetic particles in the back layer, e.g. particles of TiO2, ZnO or SiO2
    • G11B5/7358—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer characterised by the back layer comprising non-magnetic particles in the back layer, e.g. particles of TiO2, ZnO or SiO2 specially adapted for achieving a specific property, e.g. average roughness [Ra]
    • 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
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
    • Y10T428/24372—Particulate matter
    • 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

Landscapes

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

Abstract

내용 없음.

Description

자기 기록 매체
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (3)

  1. 지지체의 일면측에 자성층을 타면측에 평균 입자지를 약 100mμ이하로 비표면적 약 30m2/g 이상의 카아본 블랙을 흡착한 모스 경도 약 2.5내지 6의 비자성 물질을 포함하는 수지층을 설치한 것을 특징으로 하는 자기 기록매체.
  2. 지지체의 일면측에 자성층을 타면측에 평균 입자지름 약l00mμ이하로 비표면적 약 30m2/g이상의 카아본 블랙을 흡착한 모스 경도 6이상의 비자성 물질을 포함하는 수지층을 실치한 것을 특징으로 하는 자기 기록매체.
  3. 지지체의 일면측에 자성층을 타면측에 비표면적이 30m2/g이상의 카아본블랙율 모스경도가 6이상의 비자성 물질에 흡착시킨 카아본 블랙 피착 비자성 물질을 포함하는 수지층을 실치하여 구성하며, 또한 상기 카아본 블랙 피착 비자성 물질을 포함하는 수지층의 표면을 중심선 평균 거칠기가 0.005내지 0.1μm의 것으로 구성된 것을 특징으로 하는 자기 기록 매체.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019860005565A 1985-07-22 1986-07-10 자기 기록 매체 KR900006305B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP16026385A JPS6222233A (ja) 1985-07-22 1985-07-22 磁気記録媒体
JP160263 1985-07-22
JP160262 1985-07-22
JP60160262A JPS6222238A (ja) 1985-07-22 1985-07-22 磁気記録媒体
JP165839 1985-07-29
JP60165839A JPS6226633A (ja) 1985-07-29 1985-07-29 磁気記録媒体

Publications (2)

Publication Number Publication Date
KR870001553A true KR870001553A (ko) 1987-03-14
KR900006305B1 KR900006305B1 (ko) 1990-08-28

Family

ID=27321668

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860005565A KR900006305B1 (ko) 1985-07-22 1986-07-10 자기 기록 매체

Country Status (3)

Country Link
US (1) US4720413A (ko)
KR (1) KR900006305B1 (ko)
DE (1) DE3624762A1 (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR900002991B1 (en) * 1985-05-29 1990-05-04 Victor Company Of Japan Magnetic recording carrier
JPH0380485A (ja) * 1989-08-22 1991-04-05 Hitachi Maxell Ltd オーディオテープカセット
US6837395B2 (en) * 2002-11-22 2005-01-04 3M Innovative Properties Company Sheet dispensers and methods of making and using the same
KR101918044B1 (ko) * 2012-02-23 2018-11-13 엘지이노텍 주식회사 신발 소독기
US11191197B2 (en) * 2018-08-26 2021-11-30 Mellanox Technologies. Ltd Method, system and paint for EMI suppression

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2250383C3 (de) * 1972-10-13 1978-06-15 Agfa-Gevaert Ag, 5090 Leverkusen Magnetisierbares Speichermedium
JPS57130234A (en) * 1981-02-02 1982-08-12 Fuji Photo Film Co Ltd Magnetic recording medium
US4595631A (en) * 1982-08-10 1986-06-17 Victor Company Of Japan, Limited Magnetic recording media comprising carbon black-adsorbed metal oxide particles in a magnetic recording layer
JPS5956223A (ja) * 1982-09-27 1984-03-31 Fuji Photo Film Co Ltd 磁気記録媒体
JPS6059528A (ja) * 1983-09-12 1985-04-05 Tdk Corp 磁気記録媒体

Also Published As

Publication number Publication date
US4720413A (en) 1988-01-19
DE3624762C2 (ko) 1990-08-16
DE3624762A1 (de) 1987-02-19
KR900006305B1 (ko) 1990-08-28

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