JPS57153411A - Magnetic recording medium and its manufacture - Google Patents

Magnetic recording medium and its manufacture

Info

Publication number
JPS57153411A
JPS57153411A JP3835881A JP3835881A JPS57153411A JP S57153411 A JPS57153411 A JP S57153411A JP 3835881 A JP3835881 A JP 3835881A JP 3835881 A JP3835881 A JP 3835881A JP S57153411 A JPS57153411 A JP S57153411A
Authority
JP
Japan
Prior art keywords
cobalt
base body
onto
hearth
recording medium
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
JP3835881A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0328045B2 (enrdf_load_stackoverflow
Inventor
Tsunemi Oiwa
Osamu Kitagami
Hideaki Niimi
Kunio Wakai
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 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 JP3835881A priority Critical patent/JPS57153411A/ja
Publication of JPS57153411A publication Critical patent/JPS57153411A/ja
Publication of JPH0328045B2 publication Critical patent/JPH0328045B2/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
    • C23C14/0021—Reactive sputtering or 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)
  • Thin Magnetic Films (AREA)
JP3835881A 1981-03-17 1981-03-17 Magnetic recording medium and its manufacture Granted JPS57153411A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3835881A JPS57153411A (en) 1981-03-17 1981-03-17 Magnetic recording medium and its manufacture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3835881A JPS57153411A (en) 1981-03-17 1981-03-17 Magnetic recording medium and its manufacture

Publications (2)

Publication Number Publication Date
JPS57153411A true JPS57153411A (en) 1982-09-22
JPH0328045B2 JPH0328045B2 (enrdf_load_stackoverflow) 1991-04-17

Family

ID=12523050

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3835881A Granted JPS57153411A (en) 1981-03-17 1981-03-17 Magnetic recording medium and its manufacture

Country Status (1)

Country Link
JP (1) JPS57153411A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6069815A (ja) * 1983-09-24 1985-04-20 Victor Co Of Japan Ltd 磁気記録媒体
JPH01243225A (ja) * 1988-03-24 1989-09-27 Ricoh Co Ltd 磁気記録媒体

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54143111A (en) * 1978-04-27 1979-11-08 Matsushita Electric Ind Co Ltd Magnetic recording medium
JPS5772307A (en) * 1980-10-23 1982-05-06 Natl Res Inst For Metals Alloy film material for magneticstorage and manufacture of the same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54143111A (en) * 1978-04-27 1979-11-08 Matsushita Electric Ind Co Ltd Magnetic recording medium
JPS5772307A (en) * 1980-10-23 1982-05-06 Natl Res Inst For Metals Alloy film material for magneticstorage and manufacture of the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6069815A (ja) * 1983-09-24 1985-04-20 Victor Co Of Japan Ltd 磁気記録媒体
JPH01243225A (ja) * 1988-03-24 1989-09-27 Ricoh Co Ltd 磁気記録媒体

Also Published As

Publication number Publication date
JPH0328045B2 (enrdf_load_stackoverflow) 1991-04-17

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