DE69407657T2 - Magnetisches Aufzeichnungsmedium - Google Patents

Magnetisches Aufzeichnungsmedium

Info

Publication number
DE69407657T2
DE69407657T2 DE1994607657 DE69407657T DE69407657T2 DE 69407657 T2 DE69407657 T2 DE 69407657T2 DE 1994607657 DE1994607657 DE 1994607657 DE 69407657 T DE69407657 T DE 69407657T DE 69407657 T2 DE69407657 T2 DE 69407657T2
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
DE1994607657
Other languages
English (en)
Other versions
DE69407657D1 (de
Inventor
Kazunori Sakamoto
Hideo Hatanaka
Yasuhiro Ueyama
Kiyoshi Kobata
Kazunori Kubota
Hideki Okumura
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
Application granted granted Critical
Publication of DE69407657D1 publication Critical patent/DE69407657D1/de
Publication of DE69407657T2 publication Critical patent/DE69407657T2/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
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/708—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by addition of non-magnetic particles to the layer
DE1994607657 1993-04-06 1994-04-06 Magnetisches Aufzeichnungsmedium Expired - Fee Related DE69407657T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP7923993 1993-04-06
JP9403293 1993-04-21
JP6067113A JPH0793741A (ja) 1993-04-06 1994-04-05 磁気記録媒体

Publications (2)

Publication Number Publication Date
DE69407657D1 DE69407657D1 (de) 1998-02-12
DE69407657T2 true DE69407657T2 (de) 1998-06-25

Family

ID=27299353

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1994607657 Expired - Fee Related DE69407657T2 (de) 1993-04-06 1994-04-06 Magnetisches Aufzeichnungsmedium

Country Status (3)

Country Link
EP (1) EP0623919B1 (de)
JP (1) JPH0793741A (de)
DE (1) DE69407657T2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1173640A (ja) * 1997-08-28 1999-03-16 Sony Corp 磁気記録媒体

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0736216B2 (ja) * 1985-10-15 1995-04-19 日立マクセル株式会社 磁気デイスク
JPH02113422A (ja) * 1988-10-21 1990-04-25 Konica Corp 磁気記録媒体

Also Published As

Publication number Publication date
EP0623919B1 (de) 1998-01-07
EP0623919A1 (de) 1994-11-09
DE69407657D1 (de) 1998-02-12
JPH0793741A (ja) 1995-04-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee