JPH0357532B2 - - Google Patents

Info

Publication number
JPH0357532B2
JPH0357532B2 JP57175722A JP17572282A JPH0357532B2 JP H0357532 B2 JPH0357532 B2 JP H0357532B2 JP 57175722 A JP57175722 A JP 57175722A JP 17572282 A JP17572282 A JP 17572282A JP H0357532 B2 JPH0357532 B2 JP H0357532B2
Authority
JP
Japan
Prior art keywords
ferromagnetic
metal thin
thin film
film
protrusions
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
JP57175722A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5965928A (ja
Inventor
Sanemori Soga
Mikio Murai
Takashi Suzuki
Susumu Enomoto
Wataru Shimoma
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 JP57175722A priority Critical patent/JPS5965928A/ja
Publication of JPS5965928A publication Critical patent/JPS5965928A/ja
Publication of JPH0357532B2 publication Critical patent/JPH0357532B2/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
    • G11B5/716—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 two or more magnetic layers
    • 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
    • G11B5/739—Magnetic recording media substrates
    • G11B5/73923—Organic polymer substrates

Landscapes

  • Compositions Of Macromolecular Compounds (AREA)
  • Magnetic Record Carriers (AREA)
JP57175722A 1982-10-06 1982-10-06 磁気記録媒体 Granted JPS5965928A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57175722A JPS5965928A (ja) 1982-10-06 1982-10-06 磁気記録媒体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57175722A JPS5965928A (ja) 1982-10-06 1982-10-06 磁気記録媒体

Publications (2)

Publication Number Publication Date
JPS5965928A JPS5965928A (ja) 1984-04-14
JPH0357532B2 true JPH0357532B2 (en]) 1991-09-02

Family

ID=16001089

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57175722A Granted JPS5965928A (ja) 1982-10-06 1982-10-06 磁気記録媒体

Country Status (1)

Country Link
JP (1) JPS5965928A (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63197028A (ja) * 1987-02-12 1988-08-15 Tdk Corp 垂直磁気記録媒体
JP6399363B2 (ja) * 2016-05-02 2018-10-03 パウダーテック株式会社 フェライト粉末、樹脂組成物、電磁波シールド材、電子回路基板、電子回路部品及び電子機器筐体

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6025803B2 (ja) * 1978-04-26 1985-06-20 松下電器産業株式会社 金属薄膜形磁気テ−プ
JPS5616937A (en) * 1979-07-17 1981-02-18 Matsushita Electric Ind Co Ltd Magnetic recording medium
JPS57127923A (en) * 1981-01-29 1982-08-09 Matsushita Electric Ind Co Ltd Magnetic recording medium

Also Published As

Publication number Publication date
JPS5965928A (ja) 1984-04-14

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