JPS57176533A - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
JPS57176533A
JPS57176533A JP56061076A JP6107681A JPS57176533A JP S57176533 A JPS57176533 A JP S57176533A JP 56061076 A JP56061076 A JP 56061076A JP 6107681 A JP6107681 A JP 6107681A JP S57176533 A JPS57176533 A JP S57176533A
Authority
JP
Japan
Prior art keywords
magnetic
magnetic substance
substance layer
recording medium
alumina
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.)
Granted
Application number
JP56061076A
Other languages
English (en)
Japanese (ja)
Other versions
JPH048855B2 (enrdf_load_stackoverflow
Inventor
Shizuo Furuyama
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP56061076A priority Critical patent/JPS57176533A/ja
Publication of JPS57176533A publication Critical patent/JPS57176533A/ja
Publication of JPH048855B2 publication Critical patent/JPH048855B2/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
    • G11B5/708—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 addition of non-magnetic particles to the layer

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
JP56061076A 1981-04-21 1981-04-21 Magnetic recording medium Granted JPS57176533A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56061076A JPS57176533A (en) 1981-04-21 1981-04-21 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56061076A JPS57176533A (en) 1981-04-21 1981-04-21 Magnetic recording medium

Publications (2)

Publication Number Publication Date
JPS57176533A true JPS57176533A (en) 1982-10-29
JPH048855B2 JPH048855B2 (enrdf_load_stackoverflow) 1992-02-18

Family

ID=13160674

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56061076A Granted JPS57176533A (en) 1981-04-21 1981-04-21 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS57176533A (enrdf_load_stackoverflow)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60263325A (ja) * 1984-06-11 1985-12-26 Mitsubishi Metal Corp 磁気記録媒体
JPS61104427A (ja) * 1984-10-25 1986-05-22 Sumitomo Chem Co Ltd 磁気記録媒体
JPS61165819A (ja) * 1985-01-17 1986-07-26 Fuji Photo Film Co Ltd 磁気記録媒体
JPS61260423A (ja) * 1985-05-14 1986-11-18 Konishiroku Photo Ind Co Ltd 磁気記録媒体
JPS62212928A (ja) * 1986-03-13 1987-09-18 Konishiroku Photo Ind Co Ltd 磁気記録媒体
JPS6398828A (ja) * 1986-10-16 1988-04-30 Fuji Photo Film Co Ltd 磁気記録媒体
US4756962A (en) * 1986-04-23 1988-07-12 Tdk Corporation Magnetic recording medium
JPS63241720A (ja) * 1987-03-30 1988-10-07 Fuji Photo Film Co Ltd 磁気記録媒体
JPH03150721A (ja) * 1990-09-21 1991-06-27 Konica Corp 磁気記録媒体

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60263325A (ja) * 1984-06-11 1985-12-26 Mitsubishi Metal Corp 磁気記録媒体
JPS61104427A (ja) * 1984-10-25 1986-05-22 Sumitomo Chem Co Ltd 磁気記録媒体
JPS61165819A (ja) * 1985-01-17 1986-07-26 Fuji Photo Film Co Ltd 磁気記録媒体
JPS61260423A (ja) * 1985-05-14 1986-11-18 Konishiroku Photo Ind Co Ltd 磁気記録媒体
JPS62212928A (ja) * 1986-03-13 1987-09-18 Konishiroku Photo Ind Co Ltd 磁気記録媒体
US4756962A (en) * 1986-04-23 1988-07-12 Tdk Corporation Magnetic recording medium
JPS6398828A (ja) * 1986-10-16 1988-04-30 Fuji Photo Film Co Ltd 磁気記録媒体
JPS63241720A (ja) * 1987-03-30 1988-10-07 Fuji Photo Film Co Ltd 磁気記録媒体
JPH03150721A (ja) * 1990-09-21 1991-06-27 Konica Corp 磁気記録媒体

Also Published As

Publication number Publication date
JPH048855B2 (enrdf_load_stackoverflow) 1992-02-18

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