JPS57212622A - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
JPS57212622A
JPS57212622A JP56097898A JP9789881A JPS57212622A JP S57212622 A JPS57212622 A JP S57212622A JP 56097898 A JP56097898 A JP 56097898A JP 9789881 A JP9789881 A JP 9789881A JP S57212622 A JPS57212622 A JP S57212622A
Authority
JP
Japan
Prior art keywords
film
over
base
magnetic
polyurethane
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
JP56097898A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0249487B2 (enrdf_load_stackoverflow
Inventor
Kunio Hibino
Takashi Fujita
Takashi Suzuki
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 JP56097898A priority Critical patent/JPS57212622A/ja
Publication of JPS57212622A publication Critical patent/JPS57212622A/ja
Publication of JPH0249487B2 publication Critical patent/JPH0249487B2/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
    • G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
JP56097898A 1981-06-24 1981-06-24 Magnetic recording medium Granted JPS57212622A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56097898A JPS57212622A (en) 1981-06-24 1981-06-24 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56097898A JPS57212622A (en) 1981-06-24 1981-06-24 Magnetic recording medium

Publications (2)

Publication Number Publication Date
JPS57212622A true JPS57212622A (en) 1982-12-27
JPH0249487B2 JPH0249487B2 (enrdf_load_stackoverflow) 1990-10-30

Family

ID=14204556

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56097898A Granted JPS57212622A (en) 1981-06-24 1981-06-24 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS57212622A (enrdf_load_stackoverflow)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5086303A (enrdf_load_stackoverflow) * 1973-11-19 1975-07-11
JPS50159706A (enrdf_load_stackoverflow) * 1974-06-14 1975-12-24
JPS5110908A (ja) * 1974-07-17 1976-01-28 Hitachi Maxell Jikikirokuteepu
JPS5225603A (en) * 1975-08-20 1977-02-25 Hitachi Maxell Ltd Magnetic tape

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5086303A (enrdf_load_stackoverflow) * 1973-11-19 1975-07-11
JPS50159706A (enrdf_load_stackoverflow) * 1974-06-14 1975-12-24
JPS5110908A (ja) * 1974-07-17 1976-01-28 Hitachi Maxell Jikikirokuteepu
JPS5225603A (en) * 1975-08-20 1977-02-25 Hitachi Maxell Ltd Magnetic tape

Also Published As

Publication number Publication date
JPH0249487B2 (enrdf_load_stackoverflow) 1990-10-30

Similar Documents

Publication Publication Date Title
JPS57179948A (en) Magnetic recording medium
JPS57176537A (en) Magnetic recording medium
JPS57212622A (en) Magnetic recording medium
JPS57176533A (en) Magnetic recording medium
JPS551651A (en) Magnetic recording medium
JPS567237A (en) Magnetic recording medium and its production
GB1416618A (en) Magnetic storage medium of high abrasion resistance
JPS57212620A (en) Magnetic recording medium
JPS57191831A (en) Metallic thin film type magnetic recording medium and its manufacture
JPS57212624A (en) Magnetic recording medium
JPS567235A (en) Magnetic recording medium and its production
JPS5673411A (en) Magnetic recording medium
JPS6018871A (ja) 磁気記録媒体
JPS54143114A (en) Magnetic recording medium
JPS57212621A (en) Magnetic recording medium
JPS5673413A (en) Magnetic recording medium
JPS58188326A (ja) 磁気記録媒体
JPS57200939A (en) Magnetic recording medium
JPS62154221A (ja) 磁気記録媒体
JPS57117122A (en) Magnetic recording body
JPS567232A (en) Production of magnetic recording medium
Matsuda et al. Preparation of Soft Magnetic Undercoating Layer for Perpendicular Recording Media by Electroless Plating
JPS54123921A (en) Magnetic recording medium
JPS5517834A (en) Magnetic recording media
JPS57210425A (en) Magnetic recording medium