JPH03699B2 - - Google Patents

Info

Publication number
JPH03699B2
JPH03699B2 JP56188713A JP18871381A JPH03699B2 JP H03699 B2 JPH03699 B2 JP H03699B2 JP 56188713 A JP56188713 A JP 56188713A JP 18871381 A JP18871381 A JP 18871381A JP H03699 B2 JPH03699 B2 JP H03699B2
Authority
JP
Japan
Prior art keywords
magnetic
elastic modulus
back coat
tape
coat layer
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 - Lifetime
Application number
JP56188713A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5891528A (ja
Inventor
Naoto Akaha
Atsutaka Yamaguchi
Takeshi Matsura
Seiji Wataya
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
Priority to JP56188713A priority Critical patent/JPS5891528A/ja
Priority to EP82110790A priority patent/EP0080204B1/en
Priority to DE8282110790T priority patent/DE3276550D1/de
Priority to US06/444,359 priority patent/US4561034A/en
Publication of JPS5891528A publication Critical patent/JPS5891528A/ja
Publication of JPH03699B2 publication Critical patent/JPH03699B2/ja
Granted 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

Landscapes

  • Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)
  • Laminated Bodies (AREA)
JP56188713A 1981-11-24 1981-11-24 磁気記録媒体 Granted JPS5891528A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP56188713A JPS5891528A (ja) 1981-11-24 1981-11-24 磁気記録媒体
EP82110790A EP0080204B1 (en) 1981-11-24 1982-11-23 Magnetic recording medium
DE8282110790T DE3276550D1 (en) 1981-11-24 1982-11-23 Magnetic recording medium
US06/444,359 US4561034A (en) 1981-11-24 1982-11-23 Magnetic recording medium

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 (2)

Publication Number Publication Date
JPS5891528A JPS5891528A (ja) 1983-05-31
JPH03699B2 true JPH03699B2 (enExample) 1991-01-08

Family

ID=16228484

Family Applications (1)

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

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
DE3437887A1 (de) * 1983-10-17 1985-05-23 TDK Corporation, Tokio/Tokyo Magnetischer aufzeichnungstraeger
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
US4561034A (en) 1985-12-24
JPS5891528A (ja) 1983-05-31
EP0080204A3 (en) 1985-10-02
DE3276550D1 (en) 1987-07-16
EP0080204A2 (en) 1983-06-01
EP0080204B1 (en) 1987-06-10

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