JPS6153770B2 - - Google Patents

Info

Publication number
JPS6153770B2
JPS6153770B2 JP55172382A JP17238280A JPS6153770B2 JP S6153770 B2 JPS6153770 B2 JP S6153770B2 JP 55172382 A JP55172382 A JP 55172382A JP 17238280 A JP17238280 A JP 17238280A JP S6153770 B2 JPS6153770 B2 JP S6153770B2
Authority
JP
Japan
Prior art keywords
magnetic layer
magnetic
substrate
layer
corrosion resistance
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.)
Expired
Application number
JP55172382A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57109127A (en
Inventor
Ryuji Sugita
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP55172382A priority Critical patent/JPS57109127A/ja
Publication of JPS57109127A publication Critical patent/JPS57109127A/ja
Publication of JPS6153770B2 publication Critical patent/JPS6153770B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
    • G11B5/65—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition
    • G11B5/656—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing Co

Landscapes

  • Magnetic Record Carriers (AREA)
  • Thin Magnetic Films (AREA)
JP55172382A 1980-12-05 1980-12-05 Magnetic recording medium Granted JPS57109127A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55172382A JPS57109127A (en) 1980-12-05 1980-12-05 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55172382A JPS57109127A (en) 1980-12-05 1980-12-05 Magnetic recording medium

Publications (2)

Publication Number Publication Date
JPS57109127A JPS57109127A (en) 1982-07-07
JPS6153770B2 true JPS6153770B2 (en:Method) 1986-11-19

Family

ID=15940869

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55172382A Granted JPS57109127A (en) 1980-12-05 1980-12-05 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS57109127A (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0467672U (en:Method) * 1990-10-25 1992-06-16

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57170507A (en) * 1981-04-14 1982-10-20 Tdk Corp Magnetic recording media
JPS59185022A (ja) * 1983-04-04 1984-10-20 Fuji Photo Film Co Ltd 磁気記録媒体
JPS59220908A (ja) * 1983-05-31 1984-12-12 Matsushita Electric Ind Co Ltd 磁気記録媒体およびその製造方法
JPS6126926A (ja) * 1984-07-17 1986-02-06 Matsushita Electric Ind Co Ltd 磁気記録媒体
JPS61113121A (ja) * 1984-11-07 1986-05-31 Hitachi Ltd 垂直磁気記録用媒体
WO1986005214A1 (en) * 1985-02-28 1986-09-12 Trimedia Corporation Thin-film storage disk and method
JPS61217925A (ja) * 1985-03-23 1986-09-27 Victor Co Of Japan Ltd 磁気記録媒体
JP2550039B2 (ja) * 1986-12-12 1996-10-30 株式会社日立製作所 面内磁気記録媒体
US6183893B1 (en) 1998-04-06 2001-02-06 Hitachi, Ltd. Perpendicular magnetic recording medium and magnetic storage apparatus using the same
JP3686929B2 (ja) 2000-05-29 2005-08-24 株式会社日立グローバルストレージテクノロジーズ 垂直磁気記録媒体及び磁気記録再生装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5891B2 (ja) * 1977-09-30 1983-01-05 俊一 岩崎 磁気記録媒体
JPS5712423A (en) * 1980-06-26 1982-01-22 Toshiba Corp Production of magnetic recorder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0467672U (en:Method) * 1990-10-25 1992-06-16

Also Published As

Publication number Publication date
JPS57109127A (en) 1982-07-07

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