JPS5965928A - 磁気記録媒体 - Google Patents

磁気記録媒体

Info

Publication number
JPS5965928A
JPS5965928A JP57175722A JP17572282A JPS5965928A JP S5965928 A JPS5965928 A JP S5965928A JP 57175722 A JP57175722 A JP 57175722A JP 17572282 A JP17572282 A JP 17572282A JP S5965928 A JPS5965928 A JP S5965928A
Authority
JP
Japan
Prior art keywords
magnetic recording
recording medium
ferromagnetic
thin film
film
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
JP57175722A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0357532B2 (forum.php
Inventor
Sanemori Soga
眞守 曽我
Mikio Murai
幹夫 村居
Takashi Suzuki
貴志 鈴木
Susumu Enomoto
榎本　進
Wataru Shimoma
下間　亘
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 true JPS5965928A (ja) 1984-04-14
JPH0357532B2 JPH0357532B2 (forum.php) 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 (forum.php)

Cited By (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
KR20180118231A (ko) * 2016-05-02 2018-10-30 파우더테크 컴퍼니 리미티드 페라이트 분말, 수지 조성물, 전자파 쉴드재, 전자 회로 기판, 전자 회로 부품 및 전자 기기 하우징

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54141607A (en) * 1978-04-26 1979-11-05 Matsushita Electric Ind Co Ltd Metal thin film type magnetic recording medium
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54141607A (en) * 1978-04-26 1979-11-05 Matsushita Electric Ind Co Ltd Metal thin film type magnetic recording medium
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

Cited By (3)

* 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
KR20180118231A (ko) * 2016-05-02 2018-10-30 파우더테크 컴퍼니 리미티드 페라이트 분말, 수지 조성물, 전자파 쉴드재, 전자 회로 기판, 전자 회로 부품 및 전자 기기 하우징
US11032955B2 (en) 2016-05-02 2021-06-08 Powdertech Co., Ltd. Ferrite powder, resin composition, electromagnetic shielding material, electronic circuit substrate, electronic circuit component, and electronic device housing

Also Published As

Publication number Publication date
JPH0357532B2 (forum.php) 1991-09-02

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