JPS57208631A - Vertical magnetic recording medium - Google Patents

Vertical magnetic recording medium

Info

Publication number
JPS57208631A
JPS57208631A JP56093822A JP9382281A JPS57208631A JP S57208631 A JPS57208631 A JP S57208631A JP 56093822 A JP56093822 A JP 56093822A JP 9382281 A JP9382281 A JP 9382281A JP S57208631 A JPS57208631 A JP S57208631A
Authority
JP
Japan
Prior art keywords
recording medium
magnetic recording
vertical
alloy
type
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
JP56093822A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0313646B2 (enrdf_load_stackoverflow
Inventor
Yasutaro Kamisaka
Sadao Hishiyama
Shinji Takayama
Kiminari Shinagawa
Kazuo Shiiki
Yoshihiro Shiroishi
Moichi Otomo
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Ltd filed Critical Hitachi Ltd
Priority to JP56093822A priority Critical patent/JPS57208631A/ja
Publication of JPS57208631A publication Critical patent/JPS57208631A/ja
Publication of JPH0313646B2 publication Critical patent/JPH0313646B2/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
    • G11B5/657—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing inorganic, non-oxide compound of Si, N, P, B, H or C, e.g. in metal alloy or compound

Landscapes

  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Magnetic Record Carriers (AREA)
  • Thin Magnetic Films (AREA)
JP56093822A 1981-06-19 1981-06-19 Vertical magnetic recording medium Granted JPS57208631A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56093822A JPS57208631A (en) 1981-06-19 1981-06-19 Vertical magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56093822A JPS57208631A (en) 1981-06-19 1981-06-19 Vertical magnetic recording medium

Publications (2)

Publication Number Publication Date
JPS57208631A true JPS57208631A (en) 1982-12-21
JPH0313646B2 JPH0313646B2 (enrdf_load_stackoverflow) 1991-02-25

Family

ID=14093086

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56093822A Granted JPS57208631A (en) 1981-06-19 1981-06-19 Vertical magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS57208631A (enrdf_load_stackoverflow)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58130440A (ja) * 1982-01-29 1983-08-03 Seiko Epson Corp 磁気デイスク
JPS59142739A (ja) * 1983-02-03 1984-08-16 Seiko Epson Corp 垂直磁気記録媒体
JPS6063710A (ja) * 1983-09-19 1985-04-12 Hitachi Ltd 磁気ディスク媒体
DE3443601A1 (de) * 1983-11-29 1985-06-13 TDK Corporation, Tokio/Tokyo Magnetaufzeichnungsmedium
DE3501819A1 (de) * 1984-01-26 1985-08-01 TDK Corporation, Tokio/Tokyo Magnetaufzeichnungsmedium
JPS63184913A (ja) * 1987-01-28 1988-07-30 Sumitomo Special Metals Co Ltd 磁気記録媒体
JPS63200316A (ja) * 1987-02-14 1988-08-18 Sumitomo Special Metals Co Ltd 磁気記録媒体
US5242761A (en) * 1990-07-03 1993-09-07 Digital Equipment Corporation Japan Magnetic recording medium comprising NiFe and CoZr alloy crystalline magnetic alloy layers and a Co-Cr vertically magnetizable layer
JP2002352408A (ja) * 2001-05-23 2002-12-06 Showa Denko Kk 磁気記録媒体、その製造方法、および磁気記録再生装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5727427A (en) * 1980-07-25 1982-02-13 Toshiba Corp Magnetic recording medium

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5727427A (en) * 1980-07-25 1982-02-13 Toshiba Corp Magnetic recording medium

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58130440A (ja) * 1982-01-29 1983-08-03 Seiko Epson Corp 磁気デイスク
JPS59142739A (ja) * 1983-02-03 1984-08-16 Seiko Epson Corp 垂直磁気記録媒体
JPS6063710A (ja) * 1983-09-19 1985-04-12 Hitachi Ltd 磁気ディスク媒体
DE3443601A1 (de) * 1983-11-29 1985-06-13 TDK Corporation, Tokio/Tokyo Magnetaufzeichnungsmedium
JPS60117413A (ja) * 1983-11-29 1985-06-24 Tdk Corp 磁気記録媒体の製造方法
US4642270A (en) * 1983-11-29 1987-02-10 Tdk Corporation Magnetic recording medium
US4636448A (en) * 1984-01-26 1987-01-13 Tdk Corporation Magnetic recording medium
DE3501819A1 (de) * 1984-01-26 1985-08-01 TDK Corporation, Tokio/Tokyo Magnetaufzeichnungsmedium
DE3501819C2 (enrdf_load_stackoverflow) * 1984-01-26 1989-06-01 Tdk Corporation, Tokio/Tokyo, Jp
JPS63184913A (ja) * 1987-01-28 1988-07-30 Sumitomo Special Metals Co Ltd 磁気記録媒体
JPS63200316A (ja) * 1987-02-14 1988-08-18 Sumitomo Special Metals Co Ltd 磁気記録媒体
US5242761A (en) * 1990-07-03 1993-09-07 Digital Equipment Corporation Japan Magnetic recording medium comprising NiFe and CoZr alloy crystalline magnetic alloy layers and a Co-Cr vertically magnetizable layer
JP2002352408A (ja) * 2001-05-23 2002-12-06 Showa Denko Kk 磁気記録媒体、その製造方法、および磁気記録再生装置

Also Published As

Publication number Publication date
JPH0313646B2 (enrdf_load_stackoverflow) 1991-02-25

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