DE3276550D1 - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
DE3276550D1
DE3276550D1 DE8282110790T DE3276550T DE3276550D1 DE 3276550 D1 DE3276550 D1 DE 3276550D1 DE 8282110790 T DE8282110790 T DE 8282110790T DE 3276550 T DE3276550 T DE 3276550T DE 3276550 D1 DE3276550 D1 DE 3276550D1
Authority
DE
Germany
Prior art keywords
recording medium
magnetic recording
magnetic
medium
recording
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE8282110790T
Other languages
German (de)
English (en)
Inventor
Naoto Akahane
Yoshitaka Yamaguchi
Takeshi Matsuura
Seiji Watatani
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maxell Ltd
Original Assignee
Hitachi Maxell Ltd
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 Hitachi Maxell Ltd filed Critical Hitachi Maxell Ltd
Application granted granted Critical
Publication of DE3276550D1 publication Critical patent/DE3276550D1/de
Expired legal-status Critical Current

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
    • G11B5/68—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
    • 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
    • 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
DE8282110790T 1981-11-24 1982-11-23 Magnetic recording medium Expired DE3276550D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56188713A JPS5891528A (ja) 1981-11-24 1981-11-24 磁気記録媒体

Publications (1)

Publication Number Publication Date
DE3276550D1 true DE3276550D1 (en) 1987-07-16

Family

ID=16228484

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282110790T Expired DE3276550D1 (en) 1981-11-24 1982-11-23 Magnetic recording medium

Country Status (4)

Country Link
US (1) US4561034A (enExample)
EP (1) EP0080204B1 (enExample)
JP (1) JPS5891528A (enExample)
DE (1) DE3276550D1 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59188831A (ja) * 1983-04-11 1984-10-26 Fuji Photo Film Co Ltd 磁気記録体
JPH0644341B2 (ja) * 1983-09-22 1994-06-08 ティーディーケイ株式会社 磁気記録媒体
US4567083A (en) * 1983-10-17 1986-01-28 Tdk Corporation Magnetic recording medium
JPH0762892B2 (ja) * 1984-06-08 1995-07-05 ティーディーケイ株式会社 画像記録用磁気記録媒体
JPS6126923A (ja) * 1984-07-17 1986-02-06 Tdk Corp 磁気記録媒体
JPH0626016B2 (ja) * 1985-12-09 1994-04-06 帝人株式会社 磁気テ−プ
US5236738A (en) * 1989-06-19 1993-08-17 Fuji Photo Film Co. Ltd. Method for making magnetic recording media by kneading, dilution kneading, and dispersing a mixture of inorganic grains, binders, and solvents
JP2821055B2 (ja) * 1992-04-21 1998-11-05 富士写真フイルム株式会社 磁気記録媒体
US5525404A (en) * 1994-02-15 1996-06-11 Matsushita Electric Industrial Co., Ltd. Tape-shaped magnetic medium comprising hexagonal ferrite particles having a crystal structure which includes magnetoplumbite and spinel crystal structures
JP2005025810A (ja) * 2003-06-30 2005-01-27 Fuji Photo Film Co Ltd 磁気記録媒体

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5344957B2 (enExample) * 1973-12-28 1978-12-02
JPS6037973B2 (ja) * 1976-09-29 1985-08-29 富士写真フイルム株式会社 磁気記録体
JPS5366202A (en) * 1976-11-26 1978-06-13 Fuji Photo Film Co Ltd Magnetic recording tape
NL7800122A (nl) * 1978-01-05 1979-07-09 Philips Nv Magnetische registratieband en drager voor een magnetische registratieband.
JPS54107313A (en) * 1978-02-09 1979-08-23 Sony Corp Magnetic recording medium

Also Published As

Publication number Publication date
EP0080204B1 (en) 1987-06-10
US4561034A (en) 1985-12-24
JPS5891528A (ja) 1983-05-31
EP0080204A2 (en) 1983-06-01
EP0080204A3 (en) 1985-10-02
JPH03699B2 (enExample) 1991-01-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition