JPS5613527A - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
JPS5613527A
JPS5613527A JP8796979A JP8796979A JPS5613527A JP S5613527 A JPS5613527 A JP S5613527A JP 8796979 A JP8796979 A JP 8796979A JP 8796979 A JP8796979 A JP 8796979A JP S5613527 A JPS5613527 A JP S5613527A
Authority
JP
Japan
Prior art keywords
fatty acid
saturated
magnetic layer
unsaturated fatty
lubricant
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
JP8796979A
Other languages
Japanese (ja)
Inventor
Tsutomu Okita
Kyoichi Naruo
Nobuyuki Yamamoto
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film 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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Priority to JP8796979A priority Critical patent/JPS5613527A/en
Publication of JPS5613527A publication Critical patent/JPS5613527A/en
Pending legal-status Critical Current

Links

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)

Abstract

PURPOSE: To obtain a magnetic recording medium that has small run tension and superio repetitive running property and durability of still reproduction, by performing a heat treatment after coating the surface of a magnetic layer, provided on a supporter, with a lubricant solution of a specific kind of fatty acid.
CONSTITUTION: On a nonmagnetic supporter, a magnetic coating solution consisting of pulverized ferromagnetic powder and a binder is applied and, after drying and smoothing the surface to provide a magnetic layer. On the surface of this magnetic layer, a lubricant solution is applied, which is obtained by dissolving in an organic solvent in one kind or more combination of saturated and unsaturated fatty acids of 12W22 in C number (e.g. myristic acid), saturated and unsaturated fatty acid amides of 20W26 in C number (e.g. n-dodecane amide), saturated and unsaturated fatty acid ester of 14W22 in C number of fatty acid residue (e.g. n-butyl stearate) and not less than one kind of paraffin, polysiloxane and polysiloxane ester, so that the lubricant will be 5W200mg/m2, and a heat treatment is carried out for about 5W10hr at about 30W70°C.
COPYRIGHT: (C)1981,JPO&Japio
JP8796979A 1979-07-11 1979-07-11 Magnetic recording medium Pending JPS5613527A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8796979A JPS5613527A (en) 1979-07-11 1979-07-11 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8796979A JPS5613527A (en) 1979-07-11 1979-07-11 Magnetic recording medium

Publications (1)

Publication Number Publication Date
JPS5613527A true JPS5613527A (en) 1981-02-09

Family

ID=13929671

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8796979A Pending JPS5613527A (en) 1979-07-11 1979-07-11 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS5613527A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61188736A (en) * 1985-02-18 1986-08-22 Hitachi Maxell Ltd Magnetic recording medium
JPS6289228A (en) * 1985-10-16 1987-04-23 Nec Corp Magnetic storage medium

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5253406A (en) * 1975-10-28 1977-04-30 Fuji Photo Film Co Ltd Magnetic sheet

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5253406A (en) * 1975-10-28 1977-04-30 Fuji Photo Film Co Ltd Magnetic sheet

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61188736A (en) * 1985-02-18 1986-08-22 Hitachi Maxell Ltd Magnetic recording medium
JPS6289228A (en) * 1985-10-16 1987-04-23 Nec Corp Magnetic storage medium
JPH0548529B2 (en) * 1985-10-16 1993-07-21 Nippon Electric Co

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