JPS55113134A - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
JPS55113134A
JPS55113134A JP2095779A JP2095779A JPS55113134A JP S55113134 A JPS55113134 A JP S55113134A JP 2095779 A JP2095779 A JP 2095779A JP 2095779 A JP2095779 A JP 2095779A JP S55113134 A JPS55113134 A JP S55113134A
Authority
JP
Japan
Prior art keywords
approximately
vapor
cluster ion
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.)
Granted
Application number
JP2095779A
Other languages
Japanese (ja)
Other versions
JPS6145289B2 (en
Inventor
Toshinori Takagi
Fusaku Nakada
Kazuhiko Kamiyoshi
Masahiro Hotta
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.)
Sekisui Chemical Co Ltd
Original Assignee
Sekisui Chemical 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 Sekisui Chemical Co Ltd filed Critical Sekisui Chemical Co Ltd
Priority to JP2095779A priority Critical patent/JPS55113134A/en
Priority to CA000346290A priority patent/CA1148655A/en
Priority to EP80300524A priority patent/EP0015692B1/en
Priority to DE8080300524T priority patent/DE3064353D1/en
Priority to AU55821/80A priority patent/AU531847B2/en
Priority to US06/124,235 priority patent/US4354909A/en
Publication of JPS55113134A publication Critical patent/JPS55113134A/en
Priority to US06/330,019 priority patent/US4382110A/en
Publication of JPS6145289B2 publication Critical patent/JPS6145289B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Physical Vapour Deposition (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Thin Magnetic Films (AREA)

Abstract

PURPOSE: To obtain a magnetic recording medium superior in resistance to wear, magnetic characteristics, etc., by vapordepositing a ferromagnetic body, including cobalt, on a base of non-magnetic material in a cluster ion-beam vapor-deposition method.
CONSTITUTION: On a base of non-magnetic material (polyethylene terephtalate, glass, etc.), a ferromagnetic substance (preferably, cobalt chromium alloy of not greater than approximately 25wt% in chromium content rate) containing cobalt is vapor-deposited in the cluster ion-beam method, thereby forming a vapor-deposition value of approximately 0.05W10μ in thickness. Further, cluster ion-beam vapor deposition is carried out, preferably, at a vacuum degree of approximately 10-3W10-8Torr and with an electric field acceleration voltage of approximately -0.1W-15kV.
COPYRIGHT: (C)1980,JPO&Japio
JP2095779A 1979-02-23 1979-02-23 Magnetic recording medium Granted JPS55113134A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP2095779A JPS55113134A (en) 1979-02-23 1979-02-23 Magnetic recording medium
CA000346290A CA1148655A (en) 1979-02-23 1980-02-22 Magnetic recording medium and process for production thereof
EP80300524A EP0015692B1 (en) 1979-02-23 1980-02-22 A process for producing a magnetic recording medium
DE8080300524T DE3064353D1 (en) 1979-02-23 1980-02-22 A process for producing a magnetic recording medium
AU55821/80A AU531847B2 (en) 1979-02-23 1980-02-22 Magnetic recording medium + process for production thereof
US06/124,235 US4354909A (en) 1979-02-23 1980-02-25 Process for production of magnetic recording medium
US06/330,019 US4382110A (en) 1979-02-23 1981-12-11 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2095779A JPS55113134A (en) 1979-02-23 1979-02-23 Magnetic recording medium

Publications (2)

Publication Number Publication Date
JPS55113134A true JPS55113134A (en) 1980-09-01
JPS6145289B2 JPS6145289B2 (en) 1986-10-07

Family

ID=12041653

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2095779A Granted JPS55113134A (en) 1979-02-23 1979-02-23 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS55113134A (en)

Also Published As

Publication number Publication date
JPS6145289B2 (en) 1986-10-07

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