DE69411681D1 - Magnetisches Aufzeichnungsmedium - Google Patents

Magnetisches Aufzeichnungsmedium

Info

Publication number
DE69411681D1
DE69411681D1 DE69411681T DE69411681T DE69411681D1 DE 69411681 D1 DE69411681 D1 DE 69411681D1 DE 69411681 T DE69411681 T DE 69411681T DE 69411681 T DE69411681 T DE 69411681T DE 69411681 D1 DE69411681 D1 DE 69411681D1
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
DE69411681T
Other languages
English (en)
Other versions
DE69411681T2 (de
Inventor
Yoshio Hara
Michio Yabuno
Masami Kuwahara
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.)
Artience Co Ltd
Original Assignee
Toyo Ink Mfg 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 Toyo Ink Mfg Co Ltd filed Critical Toyo Ink Mfg Co Ltd
Publication of DE69411681D1 publication Critical patent/DE69411681D1/de
Application granted granted Critical
Publication of DE69411681T2 publication Critical patent/DE69411681T2/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
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/735—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer characterised by the back layer
    • G11B5/7356—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer characterised by the back layer comprising non-magnetic particles in the back layer, e.g. particles of TiO2, ZnO or SiO2
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31652—Of asbestos
    • Y10T428/31663—As siloxane, silicone or silane
DE69411681T 1993-12-03 1994-12-05 Magnetisches Aufzeichnungsmedium Expired - Fee Related DE69411681T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP05303981A JP3134638B2 (ja) 1993-12-03 1993-12-03 磁気記録媒体

Publications (2)

Publication Number Publication Date
DE69411681D1 true DE69411681D1 (de) 1998-08-20
DE69411681T2 DE69411681T2 (de) 1998-11-26

Family

ID=17927607

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69411681T Expired - Fee Related DE69411681T2 (de) 1993-12-03 1994-12-05 Magnetisches Aufzeichnungsmedium

Country Status (4)

Country Link
US (2) US5637405A (de)
EP (1) EP0656623B1 (de)
JP (1) JP3134638B2 (de)
DE (1) DE69411681T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69932884T2 (de) 1998-05-21 2007-05-24 Teijin Ltd. Polyesterverbundfilm und magnetischer Aufzeignungsträger
JP4149648B2 (ja) * 2000-09-29 2008-09-10 富士フイルム株式会社 磁気記録媒体
JP5624947B2 (ja) * 2011-06-03 2014-11-12 富士フイルム株式会社 磁気テープの巻取方法、磁気テープの巻取装置、磁気テープカートリッジの製造方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52108804A (en) * 1976-03-10 1977-09-12 Fuji Photo Film Co Ltd Magnetic recording material
US4328935A (en) * 1980-06-12 1982-05-11 Minnesota Mining And Manufacturing Company Flexible magnetic recording tape having low-friction backside coating
JPS61246261A (ja) * 1985-04-25 1986-11-01 Toyo Ink Mfg Co Ltd 顔料分散剤
JPS61273720A (ja) * 1985-05-29 1986-12-04 Victor Co Of Japan Ltd 磁気記録媒体
DE3535283A1 (de) * 1985-10-03 1987-04-09 Byk Chemie Gmbh Polyestergruppenhaltige polysiloxane fuer lacke und formmassen und die verwendung hierfuer
JPH0792908B2 (ja) * 1986-04-23 1995-10-09 松下電器産業株式会社 磁気記録媒体
JPH02228323A (ja) * 1989-03-02 1990-09-11 Dainichiseika Color & Chem Mfg Co Ltd シロキサン変性ポリエステル系樹脂及びその製造方法
JPH0692481B2 (ja) * 1989-06-02 1994-11-16 信越化学工業株式会社 ポリラクトン変性オルガノポリシロキサン化合物
US5262492A (en) * 1990-08-31 1993-11-16 Dainichiseika Color & Chemicals Mfg. Co., Ltd. Siloxane-modified polyester resins and production processes thereof

Also Published As

Publication number Publication date
US5868825A (en) 1999-02-09
EP0656623B1 (de) 1998-07-15
EP0656623A1 (de) 1995-06-07
JP3134638B2 (ja) 2001-02-13
US5637405A (en) 1997-06-10
JPH07161029A (ja) 1995-06-23
DE69411681T2 (de) 1998-11-26

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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