JPS54155013A - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
JPS54155013A
JPS54155013A JP6367978A JP6367978A JPS54155013A JP S54155013 A JPS54155013 A JP S54155013A JP 6367978 A JP6367978 A JP 6367978A JP 6367978 A JP6367978 A JP 6367978A JP S54155013 A JPS54155013 A JP S54155013A
Authority
JP
Japan
Prior art keywords
film
thickness
buffing
recording medium
magnetic recording
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
JP6367978A
Other languages
Japanese (ja)
Inventor
Akihiro Imai
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 JP6367978A priority Critical patent/JPS54155013A/en
Publication of JPS54155013A publication Critical patent/JPS54155013A/en
Pending legal-status Critical Current

Links

Landscapes

  • Thin Magnetic Films (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Magnetic Record Carriers (AREA)

Abstract

PURPOSE: To reduce the output fluctuation while the thickness of a high-molecular film and a ferromagnetic metal layer is kept small and raise the bonding property of the ferromagnetic metal layer to the high-molecular film, by buffing the surface of the film.
CONSTITUTION: The surface 1a of a terephthalate film 1 of 11 μm in thickness and 0.034 μm in center line mean roughness is polished by a buffing unit made of wool fibers and having a diameter of 60 mm while the film is moved at a speed 3 m/min and the buffing unit is rotated at the rate of 300 times per minute. Cobalt 2 i evaporated at a thickness of about 2000 Å on the polished surface 1a.
COPYRIGHT: (C)1979,JPO&Japio
JP6367978A 1978-05-27 1978-05-27 Magnetic recording medium Pending JPS54155013A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6367978A JPS54155013A (en) 1978-05-27 1978-05-27 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6367978A JPS54155013A (en) 1978-05-27 1978-05-27 Magnetic recording medium

Publications (1)

Publication Number Publication Date
JPS54155013A true JPS54155013A (en) 1979-12-06

Family

ID=13236283

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6367978A Pending JPS54155013A (en) 1978-05-27 1978-05-27 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS54155013A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4508782A (en) * 1983-12-19 1985-04-02 Toray Industries, Inc. Base film for magnetic recording tape with F-5 values of 9-15 Kg/mm2
JPS61182624A (en) * 1985-02-07 1986-08-15 Ulvac Corp Vertical magnetic recording medium

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4508782A (en) * 1983-12-19 1985-04-02 Toray Industries, Inc. Base film for magnetic recording tape with F-5 values of 9-15 Kg/mm2
JPS61182624A (en) * 1985-02-07 1986-08-15 Ulvac Corp Vertical magnetic recording medium

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