JPS5774831A - Disk-like magnetic recording medium - Google Patents

Disk-like magnetic recording medium

Info

Publication number
JPS5774831A
JPS5774831A JP56137209A JP13720981A JPS5774831A JP S5774831 A JPS5774831 A JP S5774831A JP 56137209 A JP56137209 A JP 56137209A JP 13720981 A JP13720981 A JP 13720981A JP S5774831 A JPS5774831 A JP S5774831A
Authority
JP
Japan
Prior art keywords
disk
magnetic
polishing
circumference
outside circumference
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.)
Pending
Application number
JP56137209A
Other languages
English (en)
Inventor
Kimitoshi Sato
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.)
TDK Corp
Original Assignee
TDK Corp
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 TDK Corp filed Critical TDK Corp
Priority to JP56137209A priority Critical patent/JPS5774831A/ja
Publication of JPS5774831A publication Critical patent/JPS5774831A/ja
Pending 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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/82—Disk carriers

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
JP56137209A 1981-08-31 1981-08-31 Disk-like magnetic recording medium Pending JPS5774831A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56137209A JPS5774831A (en) 1981-08-31 1981-08-31 Disk-like magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56137209A JPS5774831A (en) 1981-08-31 1981-08-31 Disk-like magnetic recording medium

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP4401678A Division JPS54136304A (en) 1978-04-13 1978-04-13 Disc form magnetic recording medium and polishing device

Publications (1)

Publication Number Publication Date
JPS5774831A true JPS5774831A (en) 1982-05-11

Family

ID=15193333

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56137209A Pending JPS5774831A (en) 1981-08-31 1981-08-31 Disk-like magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS5774831A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0160137A1 (en) * 1983-04-28 1985-11-06 Poly-Disc Systems Inc. Recording member having a variable thickness recording layer
US4588653A (en) * 1983-08-29 1986-05-13 Dynamic Disk, Inc. Magnetic memory disk

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0160137A1 (en) * 1983-04-28 1985-11-06 Poly-Disc Systems Inc. Recording member having a variable thickness recording layer
US4588653A (en) * 1983-08-29 1986-05-13 Dynamic Disk, Inc. Magnetic memory disk

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