DE69024137T2 - Magnetisches Aufzeichnungsmedium - Google Patents

Magnetisches Aufzeichnungsmedium

Info

Publication number
DE69024137T2
DE69024137T2 DE69024137T DE69024137T DE69024137T2 DE 69024137 T2 DE69024137 T2 DE 69024137T2 DE 69024137 T DE69024137 T DE 69024137T DE 69024137 T DE69024137 T DE 69024137T DE 69024137 T2 DE69024137 T2 DE 69024137T2
Authority
DE
Germany
Prior art keywords
recording medium
magnetic recording
magnetic
medium
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.)
Expired - Fee Related
Application number
DE69024137T
Other languages
English (en)
Other versions
DE69024137D1 (de
Inventor
Kazuhiko Hayashi
Masatoshi Hayakawa
Koichi Aso
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69024137D1 publication Critical patent/DE69024137D1/de
Publication of DE69024137T2 publication Critical patent/DE69024137T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
  • Manufacturing Of Magnetic Record Carriers (AREA)
DE69024137T 1989-08-30 1990-08-30 Magnetisches Aufzeichnungsmedium Expired - Fee Related DE69024137T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1224061A JP2974691B2 (ja) 1989-08-30 1989-08-30 磁気記録媒体

Publications (2)

Publication Number Publication Date
DE69024137D1 DE69024137D1 (de) 1996-01-25
DE69024137T2 true DE69024137T2 (de) 1996-08-29

Family

ID=16807960

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69024137T Expired - Fee Related DE69024137T2 (de) 1989-08-30 1990-08-30 Magnetisches Aufzeichnungsmedium

Country Status (3)

Country Link
EP (1) EP0415431B1 (de)
JP (1) JP2974691B2 (de)
DE (1) DE69024137T2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH087859B2 (ja) * 1991-09-06 1996-01-29 インターナショナル・ビジネス・マシーンズ・コーポレイション 磁気記録媒体及びその製造方法
JP7277313B2 (ja) * 2019-08-21 2023-05-18 デンカ株式会社 水閘、灌漑装置、灌漑システム及び作物の栽培方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57183004A (en) * 1981-05-07 1982-11-11 Fuji Photo Film Co Ltd Magnetically recording medium
JPS57198614A (en) * 1981-05-30 1982-12-06 Nippon Gakki Seizo Kk Magnetic recording tape
JPS6115941A (ja) * 1984-06-30 1986-01-24 Res Dev Corp Of Japan 酸素を含む強磁性非晶質合金およびその製造法
EP0261240B1 (de) * 1985-06-21 1992-05-06 Sumitomo Metal Mining Company Limited Magnetisches speichermedium
DE3710477C2 (de) * 1986-03-31 1999-05-12 Japan Res Dev Corp Dünne Schicht mit senkrechter Magnetisierungsisotropie
JPS62298017A (ja) * 1986-06-17 1987-12-25 Nippon Mining Co Ltd 磁気記録媒体及びその製造法
JPS63266626A (ja) * 1987-04-23 1988-11-02 Toshiba Corp 磁気記録媒体
KR970007795B1 (ko) * 1988-02-22 1997-05-16 소니 가부시끼 가이샤 자기 박막
JP2643227B2 (ja) * 1988-02-22 1997-08-20 ソニー株式会社 磁性薄膜
JP2625959B2 (ja) * 1988-09-09 1997-07-02 ソニー株式会社 磁性薄膜

Also Published As

Publication number Publication date
EP0415431B1 (de) 1995-12-13
EP0415431A3 (en) 1992-03-04
DE69024137D1 (de) 1996-01-25
JPH0386915A (ja) 1991-04-11
JP2974691B2 (ja) 1999-11-10
EP0415431A2 (de) 1991-03-06

Similar Documents

Publication Publication Date Title
DE69328697D1 (de) Magnetisches Aufzeichnungsmedium
DE69213636D1 (de) Magnetaufzeichnungsträger
KR900016954A (ko) 자기 기록 매체
DE69222823D1 (de) Magnetisches Aufzeichnungsmedium
DE69211945T2 (de) Magnetisches Aufzeichnungsmedium
DE69007261D1 (de) Langgestreckter magnetischer Aufzeichnungsträger.
DE69325331D1 (de) Magnetisches Aufzeichnungsmdedium
DE59007831D1 (de) Magnetische Aufzeichnungsträger.
DE69024747D1 (de) Magnetooptisches Aufzeichnungsmedium
DE69326441D1 (de) Magnetisches aufzeichnungsmedium
DE69032931T2 (de) Magneto-optischer Aufzeichnungsträger
DE69313904D1 (de) Magnetisches Aufzeichnungsmedium
DE69013819T2 (de) Magnetisches Aufzeichnungsmedium.
DE69317158D1 (de) Magnetisches Aufzeichnungsmedium
DE69024137D1 (de) Magnetisches Aufzeichnungsmedium
DE69117463D1 (de) Magnetisches Aufzeichnungsmedium
DE59007497D1 (de) Magnetische Aufzeichnungsträger.
DE69028092D1 (de) Magnetooptisches aufzeichnungsmedium
DE58909705D1 (de) Magnetische Aufzeichnungsträger
DE69025132T2 (de) Magnetooptisches Aufzeichnungsmedium
DE69311834D1 (de) Magnetisches Aufzeichnungsmedium
KR900010661A (ko) 자기 기록 매체
KR900010658A (ko) 자기 기록 매체
DE58909687D1 (de) Magnetische Aufzeichnungsträger
KR900010659A (ko) 자기기록매체

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: PATENTANWAELTE MUELLER & HOFFMANN, 81667 MUENCHEN

8339 Ceased/non-payment of the annual fee