JPS5668924A - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
JPS5668924A
JPS5668924A JP14470879A JP14470879A JPS5668924A JP S5668924 A JPS5668924 A JP S5668924A JP 14470879 A JP14470879 A JP 14470879A JP 14470879 A JP14470879 A JP 14470879A JP S5668924 A JPS5668924 A JP S5668924A
Authority
JP
Japan
Prior art keywords
silicate
vapor deposition
recording medium
plating
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.)
Granted
Application number
JP14470879A
Other languages
Japanese (ja)
Other versions
JPS6242336B2 (en
Inventor
Kunio Wakai
Takayuki Toko
Tsunemi Oiwa
Minoru Yamano
Atsutaka Yamaguchi
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.)
Maxell Holdings Ltd
Original Assignee
Hitachi Maxell 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 Hitachi Maxell Ltd filed Critical Hitachi Maxell Ltd
Priority to JP14470879A priority Critical patent/JPS5668924A/en
Publication of JPS5668924A publication Critical patent/JPS5668924A/en
Publication of JPS6242336B2 publication Critical patent/JPS6242336B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Magnetic Record Carriers (AREA)
  • Thin Magnetic Films (AREA)

Abstract

PURPOSE: To obtain a ferromagnetic metal thin film type magnetic recording medium which is nearly free of curl and has the excellent properties of contacting and running on a magnetic head, by using a specific substrate layer.
CONSTITUTION: The substrate of plastics, a nonmagnetic metal film or the like is applied with a solution of silicate such as sodium silicate, potassium silicate, and barium, sodium or mixture of silicate and a small amount of SbO2, V2O3, Sr2O3, etc. Instead of applying the solution, it is bonded by vapor deposition, ion plating, sputtering, metal plating, etc., and on the coating, a ferromagnetic metal thin-film layer is provided by a means of vapor deposition, ion plating, sputtering, metal plating, etc. Consequently, thermal radiation, etc., from the vapor deposition source of the ferromagnetic substance can be prevented to reduce the thermal change of the base, so that its curl can be prevented effectively.
COPYRIGHT: (C)1981,JPO&Japio
JP14470879A 1979-11-07 1979-11-07 Magnetic recording medium Granted JPS5668924A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14470879A JPS5668924A (en) 1979-11-07 1979-11-07 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14470879A JPS5668924A (en) 1979-11-07 1979-11-07 Magnetic recording medium

Publications (2)

Publication Number Publication Date
JPS5668924A true JPS5668924A (en) 1981-06-09
JPS6242336B2 JPS6242336B2 (en) 1987-09-08

Family

ID=15368434

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14470879A Granted JPS5668924A (en) 1979-11-07 1979-11-07 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS5668924A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59162621A (en) * 1983-03-08 1984-09-13 Nippon Kogaku Kk <Nikon> Magnetic recording medium having plastic substrate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59162621A (en) * 1983-03-08 1984-09-13 Nippon Kogaku Kk <Nikon> Magnetic recording medium having plastic substrate

Also Published As

Publication number Publication date
JPS6242336B2 (en) 1987-09-08

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