JPS57127928A - Metallic thin film magnetic recording medium - Google Patents

Metallic thin film magnetic recording medium

Info

Publication number
JPS57127928A
JPS57127928A JP56207676A JP20767681A JPS57127928A JP S57127928 A JPS57127928 A JP S57127928A JP 56207676 A JP56207676 A JP 56207676A JP 20767681 A JP20767681 A JP 20767681A JP S57127928 A JPS57127928 A JP S57127928A
Authority
JP
Japan
Prior art keywords
metallic thin
thin film
recording medium
magnetic recording
film magnetic
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
JP56207676A
Other languages
Japanese (ja)
Other versions
JPS6120070B2 (en
Inventor
Koichi Shinohara
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 JP56207676A priority Critical patent/JPS57127928A/en
Publication of JPS57127928A publication Critical patent/JPS57127928A/en
Publication of JPS6120070B2 publication Critical patent/JPS6120070B2/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
    • G11B5/72—Protective coatings, e.g. anti-static or antifriction
    • G11B5/726—Two or more protective coatings
    • G11B5/7262—Inorganic protective coating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Magnetic Record Carriers (AREA)

Abstract

PURPOSE:To increase the life characteristics, by providing a protective layer having an SiO2 vapor-deposited layer in contact on a magnetic metallic thin film. CONSTITUTION:On a base 1 made of high polymer such as polyester, polyimide or polyamide, nonmagnetic substance layers 2, 3 and magnetic metallic thin films 4, 5 are provided, and a high polymer protective layer 7 made of epoxy resin or the like is provided on the film 5 via an SiO2 vapor-deposited layer 6 of <=1,000Angstrom thickness, preferably.
JP56207676A 1981-12-21 1981-12-21 Metallic thin film magnetic recording medium Granted JPS57127928A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56207676A JPS57127928A (en) 1981-12-21 1981-12-21 Metallic thin film magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56207676A JPS57127928A (en) 1981-12-21 1981-12-21 Metallic thin film magnetic recording medium

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP4955478A Division JPS54141109A (en) 1978-04-25 1978-04-25 Thin metal film type magnetic recording medium

Publications (2)

Publication Number Publication Date
JPS57127928A true JPS57127928A (en) 1982-08-09
JPS6120070B2 JPS6120070B2 (en) 1986-05-20

Family

ID=16543716

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56207676A Granted JPS57127928A (en) 1981-12-21 1981-12-21 Metallic thin film magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS57127928A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60182514A (en) * 1984-03-01 1985-09-18 Hitachi Condenser Co Ltd Magnetic recording medium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60182514A (en) * 1984-03-01 1985-09-18 Hitachi Condenser Co Ltd Magnetic recording medium

Also Published As

Publication number Publication date
JPS6120070B2 (en) 1986-05-20

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