JPH0517606B2 - - Google Patents

Info

Publication number
JPH0517606B2
JPH0517606B2 JP58083351A JP8335183A JPH0517606B2 JP H0517606 B2 JPH0517606 B2 JP H0517606B2 JP 58083351 A JP58083351 A JP 58083351A JP 8335183 A JP8335183 A JP 8335183A JP H0517606 B2 JPH0517606 B2 JP H0517606B2
Authority
JP
Japan
Prior art keywords
undercoat layer
film
base material
recording medium
thin 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.)
Expired - Lifetime
Application number
JP58083351A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59207422A (ja
Inventor
Takashi Suzuki
Shigeki Kawase
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 JP58083351A priority Critical patent/JPS59207422A/ja
Publication of JPS59207422A publication Critical patent/JPS59207422A/ja
Publication of JPH0517606B2 publication Critical patent/JPH0517606B2/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
    • G11B5/733—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 addition of non-magnetic particles

Landscapes

  • Magnetic Record Carriers (AREA)
JP58083351A 1983-05-12 1983-05-12 磁気記録媒体 Granted JPS59207422A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58083351A JPS59207422A (ja) 1983-05-12 1983-05-12 磁気記録媒体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58083351A JPS59207422A (ja) 1983-05-12 1983-05-12 磁気記録媒体

Publications (2)

Publication Number Publication Date
JPS59207422A JPS59207422A (ja) 1984-11-24
JPH0517606B2 true JPH0517606B2 (forum.php) 1993-03-09

Family

ID=13800010

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58083351A Granted JPS59207422A (ja) 1983-05-12 1983-05-12 磁気記録媒体

Country Status (1)

Country Link
JP (1) JPS59207422A (forum.php)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0731808B2 (ja) * 1985-03-07 1995-04-10 ティーディーケイ株式会社 磁気記録媒体の製造方法
JP2552682B2 (ja) * 1987-09-25 1996-11-13 三菱化学株式会社 磁気ディスク用基板およびその製造法
US5023739A (en) * 1988-02-15 1991-06-11 Matsushita Electric Industrial Co., Ltd. Tape cassette with a trapping layer having a corrosiveness which is equal to or higher than that of the magnetic recording layer on the tape
DE4110909C2 (de) * 1990-04-04 1995-11-02 Matsushita Electric Industrial Co Ltd Bandkassette
US6120836A (en) * 1994-12-28 2000-09-19 Fuji Photo Film Co., Ltd. Process of producing a magnetic recording medium

Family Cites Families (1)

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

Also Published As

Publication number Publication date
JPS59207422A (ja) 1984-11-24

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