JPS57143730A - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
JPS57143730A
JPS57143730A JP2955081A JP2955081A JPS57143730A JP S57143730 A JPS57143730 A JP S57143730A JP 2955081 A JP2955081 A JP 2955081A JP 2955081 A JP2955081 A JP 2955081A JP S57143730 A JPS57143730 A JP S57143730A
Authority
JP
Japan
Prior art keywords
incident angle
vapor
magnetic
low
thin film
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
JP2955081A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0221046B2 (en, 2012
Inventor
Akio Yanai
Ryuji Shirahata
Tatsuji Kitamoto
Kiichiro Yamagishi
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 JP2955081A priority Critical patent/JPS57143730A/ja
Publication of JPS57143730A publication Critical patent/JPS57143730A/ja
Publication of JPH0221046B2 publication Critical patent/JPH0221046B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/24—Vacuum evaporation
    • 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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/851—Coating a support with a magnetic layer by sputtering

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
JP2955081A 1981-03-02 1981-03-02 Magnetic recording medium Granted JPS57143730A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2955081A JPS57143730A (en) 1981-03-02 1981-03-02 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2955081A JPS57143730A (en) 1981-03-02 1981-03-02 Magnetic recording medium

Publications (2)

Publication Number Publication Date
JPS57143730A true JPS57143730A (en) 1982-09-06
JPH0221046B2 JPH0221046B2 (en, 2012) 1990-05-11

Family

ID=12279244

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2955081A Granted JPS57143730A (en) 1981-03-02 1981-03-02 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS57143730A (en, 2012)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59119531A (ja) * 1982-12-25 1984-07-10 Tdk Corp 磁気記録媒体
JPS6047227A (ja) * 1983-08-24 1985-03-14 Dainippon Printing Co Ltd 磁気記録媒体
US4622271A (en) * 1984-04-20 1986-11-11 Fuji Photo Film Co., Ltd. Magnetic recording medium
JPH01125714A (ja) * 1987-11-11 1989-05-18 Sony Corp 磁気テープ
US5225234A (en) * 1990-05-10 1993-07-06 Tdk Corporation Magnetic recording medium comprising multiple thin film magnetic layers each formed within specified maximum and minimum incident angles
US5525398A (en) * 1991-03-22 1996-06-11 Tdk Corporation Perpendicular magnetic recording medium and method for making

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5634139A (en) * 1979-08-22 1981-04-06 Ulvac Corp Magnetic recording medium
JPS56134317A (en) * 1980-03-25 1981-10-21 Tdk Corp Magnetic recording medium

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5634139A (en) * 1979-08-22 1981-04-06 Ulvac Corp Magnetic recording medium
JPS56134317A (en) * 1980-03-25 1981-10-21 Tdk Corp Magnetic recording medium

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59119531A (ja) * 1982-12-25 1984-07-10 Tdk Corp 磁気記録媒体
JPS6047227A (ja) * 1983-08-24 1985-03-14 Dainippon Printing Co Ltd 磁気記録媒体
US4622271A (en) * 1984-04-20 1986-11-11 Fuji Photo Film Co., Ltd. Magnetic recording medium
JPH01125714A (ja) * 1987-11-11 1989-05-18 Sony Corp 磁気テープ
US5225234A (en) * 1990-05-10 1993-07-06 Tdk Corporation Magnetic recording medium comprising multiple thin film magnetic layers each formed within specified maximum and minimum incident angles
US5525398A (en) * 1991-03-22 1996-06-11 Tdk Corporation Perpendicular magnetic recording medium and method for making

Also Published As

Publication number Publication date
JPH0221046B2 (en, 2012) 1990-05-11

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