NL193510B - Magnetisch registreermateriaal. - Google Patents

Magnetisch registreermateriaal.

Info

Publication number
NL193510B
NL193510B NL9000727A NL9000727A NL193510B NL 193510 B NL193510 B NL 193510B NL 9000727 A NL9000727 A NL 9000727A NL 9000727 A NL9000727 A NL 9000727A NL 193510 B NL193510 B NL 193510B
Authority
NL
Netherlands
Prior art keywords
magnetic recording
recording material
magnetic
recording
Prior art date
Application number
NL9000727A
Other languages
English (en)
Other versions
NL193510C (nl
NL9000727A (nl
Original Assignee
Tdk 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 Tdk Corp filed Critical Tdk Corp
Publication of NL9000727A publication Critical patent/NL9000727A/nl
Publication of NL193510B publication Critical patent/NL193510B/nl
Application granted granted Critical
Publication of NL193510C publication Critical patent/NL193510C/nl

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
    • G11B5/7085—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 non-magnetic abrasive particles
    • 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
    • G11B5/706—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 the composition of the magnetic material
    • G11B5/70626—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 the composition of the magnetic material containing non-metallic substances
    • G11B5/70636—CrO2
    • 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
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/256—Heavy metal or aluminum or compound thereof
    • Y10T428/257—Iron oxide or aluminum oxide
NL9000727A 1989-03-28 1990-03-28 Magnetisch registreermateriaal. NL193510C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7374289 1989-03-28
JP1073742A JP2826835B2 (ja) 1989-03-28 1989-03-28 磁気記録媒体

Publications (3)

Publication Number Publication Date
NL9000727A NL9000727A (nl) 1990-10-16
NL193510B true NL193510B (nl) 1999-08-02
NL193510C NL193510C (nl) 1999-12-03

Family

ID=13527000

Family Applications (1)

Application Number Title Priority Date Filing Date
NL9000727A NL193510C (nl) 1989-03-28 1990-03-28 Magnetisch registreermateriaal.

Country Status (5)

Country Link
US (1) US5037695A (nl)
JP (1) JP2826835B2 (nl)
DE (1) DE4009812A1 (nl)
GB (1) GB2231576A (nl)
NL (1) NL193510C (nl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4022221A1 (de) * 1990-07-12 1992-01-23 Basf Magnetics Gmbh Magnetband mit schleifmittel
JP3577335B2 (ja) * 1993-06-02 2004-10-13 浜松ホトニクス株式会社 散乱吸収体計測方法及び装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1804393A1 (de) * 1968-10-22 1970-05-27 Basf Ag Verfahren zur Herstellung von magnetischen Aufzeichnungstraegern
FR2256493B1 (nl) * 1973-12-28 1979-04-06 Kodak Pathe
JPS5982633A (ja) * 1982-11-02 1984-05-12 Sumitomo Chem Co Ltd 親油性表面を有する磁気記録用研磨剤
US4568619A (en) * 1983-06-09 1986-02-04 E. I. Du Pont De Nemours And Company Nonmagnetic particles to improve properties of magnetic recording compositions
JPH0618074B2 (ja) * 1984-10-25 1994-03-09 住友化学工業株式会社 磁気記録媒体
JPH0673174B2 (ja) * 1985-06-20 1994-09-14 日立マクセル株式会社 磁気記録媒体
JPS62250518A (ja) * 1986-04-23 1987-10-31 Tdk Corp 磁気記録媒体
JP2527942B2 (ja) * 1986-09-18 1996-08-28 ティーディーケイ株式会社 磁気記録媒体
JPH0610861B2 (ja) * 1986-10-15 1994-02-09 富士写真フイルム株式会社 磁気記録媒体
JPH0740353B2 (ja) * 1986-10-16 1995-05-01 富士写真フイルム株式会社 磁気記録媒体

Also Published As

Publication number Publication date
GB2231576A (en) 1990-11-21
US5037695A (en) 1991-08-06
JPH02254622A (ja) 1990-10-15
NL193510C (nl) 1999-12-03
DE4009812A1 (de) 1990-10-04
GB9006871D0 (en) 1990-05-23
NL9000727A (nl) 1990-10-16
JP2826835B2 (ja) 1998-11-18

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Legal Events

Date Code Title Description
A1A A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V1 Lapsed because of non-payment of the annual fee

Effective date: 20071001