JPH0547887B2 - - Google Patents

Info

Publication number
JPH0547887B2
JPH0547887B2 JP56165191A JP16519181A JPH0547887B2 JP H0547887 B2 JPH0547887 B2 JP H0547887B2 JP 56165191 A JP56165191 A JP 56165191A JP 16519181 A JP16519181 A JP 16519181A JP H0547887 B2 JPH0547887 B2 JP H0547887B2
Authority
JP
Japan
Prior art keywords
film
protrusions
fine particles
magnetic recording
particles
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
JP56165191A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5868227A (ja
Inventor
Takashi Suzuki
Hiroshi Fujimori
Masaru Odagiri
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 JP56165191A priority Critical patent/JPS5868227A/ja
Priority to DE8282109567T priority patent/DE3277996D1/de
Priority to DE198282109567T priority patent/DE77549T1/de
Priority to US06/434,600 priority patent/US4578729A/en
Priority to EP82109567A priority patent/EP0077549B2/en
Publication of JPS5868227A publication Critical patent/JPS5868227A/ja
Publication of JPH0547887B2 publication Critical patent/JPH0547887B2/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
    • G11B5/73—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

  • Magnetic Record Carriers (AREA)
JP56165191A 1981-10-15 1981-10-15 磁気記録媒体 Granted JPS5868227A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP56165191A JPS5868227A (ja) 1981-10-15 1981-10-15 磁気記録媒体
DE8282109567T DE3277996D1 (en) 1981-10-15 1982-10-15 Magnetic recording medium
DE198282109567T DE77549T1 (de) 1981-10-15 1982-10-15 Magnetisches aufzeichnungsmedium.
US06/434,600 US4578729A (en) 1981-10-15 1982-10-15 Magnetic recording medium
EP82109567A EP0077549B2 (en) 1981-10-15 1982-10-15 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56165191A JPS5868227A (ja) 1981-10-15 1981-10-15 磁気記録媒体

Publications (2)

Publication Number Publication Date
JPS5868227A JPS5868227A (ja) 1983-04-23
JPH0547887B2 true JPH0547887B2 (enExample) 1993-07-20

Family

ID=15807563

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56165191A Granted JPS5868227A (ja) 1981-10-15 1981-10-15 磁気記録媒体

Country Status (1)

Country Link
JP (1) JPS5868227A (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6061920A (ja) * 1983-09-16 1985-04-09 Toshiba Corp 磁気記録媒体
JPS60111319A (ja) * 1983-11-18 1985-06-17 Matsushita Electric Ind Co Ltd 磁気記録媒体
JPS60117414A (ja) * 1983-11-29 1985-06-24 Matsushita Electric Ind Co Ltd 薄膜型磁気記録媒体
JPS60261015A (ja) * 1984-06-06 1985-12-24 Matsushita Electric Ind Co Ltd 磁気記録媒体
JPS6126924A (ja) * 1984-07-17 1986-02-06 Matsushita Electric Ind Co Ltd 磁気記録媒体
JPH0687300B2 (ja) * 1984-08-02 1994-11-02 ティーディーケイ株式会社 磁気記録方法
JPS6142723A (ja) * 1984-08-02 1986-03-01 Tdk Corp 磁気記録媒体および磁気記録方法
JPS6142724A (ja) * 1984-08-03 1986-03-01 Tdk Corp 磁気記録媒体および磁気記録方法
JPH0687289B2 (ja) * 1984-09-03 1994-11-02 ティーディーケイ株式会社 磁気記録方法
JPH0687290B2 (ja) * 1984-09-04 1994-11-02 ティーディーケイ株式会社 磁気記録方法
JPH0736213B2 (ja) * 1985-03-04 1995-04-19 ティーディーケイ株式会社 磁気記録媒体
JPS61284826A (ja) * 1985-06-10 1986-12-15 Matsushita Electric Ind Co Ltd 磁気記録媒体
JPS62183023A (ja) * 1986-02-05 1987-08-11 Tdk Corp 磁気記録媒体
US4770924A (en) * 1986-07-02 1988-09-13 Tdk Corporation Magnetic recording medium
JP2777003B2 (ja) * 1991-06-28 1998-07-16 帝人株式会社 磁気記録媒体用ポリエステルフイルム及びその製造方法
JPH06195672A (ja) * 1992-12-25 1994-07-15 Matsushita Electric Ind Co Ltd 磁気記録媒体及びその製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5613516A (en) * 1979-07-16 1981-02-09 Tdk Corp Magnetic recording medium
JPS5613517A (en) * 1979-07-16 1981-02-09 Tdk Corp Magnetic recording medium
JPS5613518A (en) * 1979-07-16 1981-02-09 Tdk Corp Magnetic recording medium

Also Published As

Publication number Publication date
JPS5868227A (ja) 1983-04-23

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