Nothing Special   »   [go: up one dir, main page]

BE852361A - Nouveau produit d'enregistrement magnetique et procede pour sa preparation - Google Patents

Nouveau produit d'enregistrement magnetique et procede pour sa preparation

Info

Publication number
BE852361A
BE852361A BE175713A BE175713A BE852361A BE 852361 A BE852361 A BE 852361A BE 175713 A BE175713 A BE 175713A BE 175713 A BE175713 A BE 175713A BE 852361 A BE852361 A BE 852361A
Authority
BE
Belgium
Prior art keywords
preparation
magnetic recording
new magnetic
recording product
product
Prior art date
Application number
BE175713A
Other languages
English (en)
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of BE852361A publication Critical patent/BE852361A/fr

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/68Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70Record 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
    • G11B5/714Record 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 dimension of the magnetic particles
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/68Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70Record 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/68Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70Record 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
    • G11B5/706Record 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
    • G11B5/70626Record 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
    • G11B5/70642Record 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 iron oxides
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/68Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70Record 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
    • G11B5/706Record 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
    • G11B5/70626Record 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
    • G11B5/70642Record 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 iron oxides
    • G11B5/70652Record 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 iron oxides gamma - Fe2 O3
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/68Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70Record 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
    • G11B5/706Record 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
    • G11B5/70626Record 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
    • G11B5/70642Record 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 iron oxides
    • G11B5/70652Record 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 iron oxides gamma - Fe2 O3
    • G11B5/70668Record 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 iron oxides gamma - Fe2 O3 containing a dopant
    • G11B5/70673Record 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 iron oxides gamma - Fe2 O3 containing a dopant containing Co
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00Stock material or miscellaneous articles
    • Y10S428/90Magnetic feature
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/249921Web or sheet containing structurally defined element or component
    • Y10T428/249953Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249986Void-containing component contains also a solid fiber or solid particle
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/25Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/256Heavy metal or aluminum or compound thereof
    • Y10T428/257Iron oxide or aluminum oxide
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/26Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264Up to 3 mils
    • Y10T428/2651 mil or less
BE175713A 1976-03-12 1977-03-10 Nouveau produit d'enregistrement magnetique et procede pour sa preparation BE852361A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7607073A FR2353110A1 (fr) 1976-03-12 1976-03-12 Nouveau produit d'enregistrement magnetique et procede pour sa preparation

Publications (1)

Publication Number Publication Date
BE852361A true BE852361A (fr) 1977-09-12

Family

ID=9170307

Family Applications (1)

Application Number Title Priority Date Filing Date
BE175713A BE852361A (fr) 1976-03-12 1977-03-10 Nouveau produit d'enregistrement magnetique et procede pour sa preparation

Country Status (8)

Country Link
US (1) US4163823A (fr)
JP (2) JPS5815846B2 (fr)
BE (1) BE852361A (fr)
DE (1) DE2710777C2 (fr)
FR (1) FR2353110A1 (fr)
GB (1) GB1545368A (fr)
IT (1) IT1077683B (fr)
NL (1) NL7702576A (fr)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1591582A (en) * 1977-03-01 1981-06-24 Teijin Ltd Polyester film having slipperiness
FR2382325A1 (fr) * 1977-03-02 1978-09-29 Kodak Pathe Produit comprenant une couche d'enregistrement magnetique transparente
JPS551655A (en) * 1978-06-20 1980-01-08 Tdk Corp Base for magnetic recording tape
US4302790B1 (en) * 1979-04-11 1999-06-08 Eastman Kodak Co Magnetic recording head with effective magnetic gap length less than about 15mu inches
JPS5651026A (en) * 1979-10-02 1981-05-08 Tdk Corp Magnetic recording tape
DE3113859A1 (de) * 1980-04-07 1982-01-28 Fuji Photo Film Co., Ltd., Minami-Ashigara, Kanagawa Magnetisches aufzeichnungsmaterial
WO1982000261A1 (fr) * 1980-07-16 1982-02-04 Kodak Co Eastman Elements d'enregistrement magnetique, procede de fabrication de ceux-ci et leur utilisation dans l'enregistrement
EP0043882A1 (fr) * 1980-07-16 1982-01-20 Kodak-Pathe Elément d'enregistrement magnétique, procédé pour sa fabrication et son utilisation pour l'enregistrement
FR2498587A1 (fr) * 1980-12-16 1982-07-30 Aimants Ugimag Sa Procede de preparation de composes magnetiques par mecano-chimie
FR2503127A2 (fr) * 1981-04-06 1982-10-08 Aimants Ugimag Sa Procede de preparation de composes magnetiques type oxydes de fer par mecano-chimie
JPS5853022A (ja) * 1981-09-24 1983-03-29 Hitachi Maxell Ltd 磁気記録媒体
EP0113656B1 (fr) * 1983-01-08 1990-02-07 Fuji Photo Film Co., Ltd. Procédé de prèparation d'un ecran pour l'enregistrement d'une image obtenue par rayonnement
US4546035A (en) * 1983-06-27 1985-10-08 International Business Machines Corporation Polymeric additives for magnetic coating materials
JPS60219627A (ja) * 1984-04-17 1985-11-02 Fuji Photo Film Co Ltd 磁気記録媒体
JPS60263312A (ja) * 1984-06-09 1985-12-26 Hitachi Maxell Ltd 磁気記録媒体
US4587066A (en) * 1984-07-02 1986-05-06 Polaroid Corporation Method and apparatus for forming magnetic recording media
NL8402136A (nl) * 1984-07-05 1986-02-03 Pd Magnetics Bv Magnetisch registratie element en methode voor de vervaardiging ervan.
US4626463A (en) * 1984-09-26 1986-12-02 Minnesota Mining And Manufacturing Company Diskette having wear-resistant magnetizable layer
US4693908A (en) * 1985-08-19 1987-09-15 International Business Machines Corporation Magnetic recording disk with improved lubricant retention
JPH0760508B2 (ja) * 1985-12-10 1995-06-28 ティーディーケイ株式会社 磁気記録ディスクおよびその製造方法
US4783370A (en) * 1986-05-28 1988-11-08 Minnesota Mining And Manufacturing Company Recording media containing alkyl acrylate copolymers
US4889895A (en) * 1986-05-28 1989-12-26 Minnesota Mining And Manufacturing Company Electron beam curable copolymer useful in recording media
US4861655A (en) * 1986-09-08 1989-08-29 Memorex Corporation Thermoplastic magnetic coating composition
US5240768A (en) * 1987-06-12 1993-08-31 Minnesota Mining And Manufacturing Company Articles containing metal fibers
US5028483A (en) * 1990-06-01 1991-07-02 Minnesota Mining And Manufacturing Company Magnetic recording medium comprising acicular dendrite free iron oxide magnetic pigment particles
US5181021A (en) * 1991-01-14 1993-01-19 Eastman Kodak Co. Responder target for theft detection apparatus
US5182062A (en) * 1991-01-14 1993-01-26 Eastman Kodak Company Responder target for theft detection apparatus
US5645917A (en) * 1991-04-25 1997-07-08 Fuji Photo Film Co., Ltd. Magnetic recording medium
US5827600A (en) * 1991-01-21 1998-10-27 Fuji Photo Film Co., Ltd. Magnetic recording medium
US5705253A (en) * 1994-06-13 1998-01-06 Minnesota Mining And Manufacturing Company Video recording tapes suitable for high speed contact duplication
JP2566126B2 (ja) * 1995-05-11 1996-12-25 富士写真フイルム株式会社 磁気記録媒体
US6579592B1 (en) 1996-11-29 2003-06-17 Fuji Photo Film Co., Ltd Magnetic recording tape with controlled Hc and magnetic flux/unit area value and controlled Cl/Fe intensity
EP0962919A1 (fr) 1997-02-10 1999-12-08 Fuji Photo Film Co., Ltd. Support d'enregistrement magnetique
US6432503B2 (en) 1997-03-31 2002-08-13 Fuji Photo Film Co., Ltd. Magnetic recording medium
EP0889464B1 (fr) 1997-06-30 2003-09-03 Fuji Photo Film Co., Ltd. Support d'enregistrement magnétique
US6096406A (en) * 1997-07-15 2000-08-01 Fuji Photo Film Co., Ltd. Magnetic recording medium
JPH11185240A (ja) 1997-10-14 1999-07-09 Fuji Photo Film Co Ltd 磁気記録媒体
US6444290B1 (en) 1998-06-11 2002-09-03 Fuji Photo Film Co., Ltd. Magnetic recording medium comprising a support containing a specific size filler and having a specific concentration of surface protrusions
JP2000011352A (ja) 1998-06-22 2000-01-14 Fuji Photo Film Co Ltd 磁気記録媒体
US8465855B2 (en) * 2008-07-16 2013-06-18 International Business Machines Corporation Protective coating of magnetic nanoparticles
JP6621114B2 (ja) 2018-02-21 2019-12-18 本田技研工業株式会社 回転電機

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3398011A (en) * 1964-09-10 1968-08-20 Reeves Ind Inc Method of lubricating a coated magnetic record member
JPS503926B1 (fr) * 1968-10-23 1975-02-12
US3761311A (en) * 1971-08-23 1973-09-25 Minnesota Mining & Mfg Dual layer magnetic recording tape
US3775178A (en) * 1971-08-26 1973-11-27 Minnesota Mining & Mfg Dual-layer quadruplex video recording tape

Also Published As

Publication number Publication date
IT1077683B (it) 1985-05-04
DE2710777A1 (de) 1977-10-06
JPS5815846B2 (ja) 1983-03-28
FR2353110B1 (fr) 1979-07-20
DE2710777C2 (de) 1982-04-15
JPS52129408A (en) 1977-10-29
NL7702576A (nl) 1977-09-14
GB1545368A (en) 1979-05-10
JPS5774832A (en) 1982-05-11
FR2353110A1 (fr) 1977-12-23
US4163823A (en) 1979-08-07

Similar Documents

Publication Publication Date Title
FR2353110A1 (fr) Nouveau produit d'enregistrement magnetique et procede pour sa preparation
BE795896A (fr) Materiau pour l'enregistrement magnetique a plusieurs couches et son procede de preparation
BE844452A (fr) Granules et comprimes d'acide l-ascorbique et procede pour les preparer
FR2318442A1 (fr) Nouveau produit, notamment, photographique, a couche antistatique et procede pour sa preparation
BE835568A (fr) Procede et appareil d'alimentation en feuilles pour la reproduction
BE807715A (fr) Pochette pour disques d'enregistrement phonographique et procede pour la fabrication de celle-ci
BE862258A (fr) Procede de preparation d'ester methylique d'alpha-l-aspartyl-l-phenylalanine et nouveau produit ainsi obtenu
FR2309537A1 (fr) 9 r-n-norsalutaridine et procede pour sa preparation
BE881921A (fr) Procede d'obtention d'alliages a anisotropie magnetique et article produit par ce procede
BE859785A (fr) Procede d'enregistrement magnetique inalterable
FR2306281A1 (fr) Procede pour la preparation d'un produit d'isolement
FR2309008A1 (fr) Procede d'enregistrement magnetique et appareil d'enregistrement
FR2325962A1 (fr) Procede pour l'enregistrement d'informations
FR2347130A1 (fr) Poudre pour coulee et procede pour sa preparation
BE858157A (fr) Derives d'acides heterocyclyl-carboxyliques acyles et procede pour leur preparation
FR2319147A1 (fr) Procede et machine de reproduction pour produire de multiples copies d'un document
FR2320621A1 (fr) Procede et dispositif pour realiser des supports d'enregistrement magnetique en forme de bande
BE883366A (fr) Produit photographique muni d'une piste d'enregistrement magnetique et procede pour sa fabrication
FR2338544A1 (fr) Procede et appareil d'enregistrement sur bande magnetique
FR2351056A1 (fr) Nouveau monoxyde de plomb et procede pour sa preparation
BE867086A (fr) Composes d'azacyclyle et procede pour leur preparation
BE862673A (fr) Porteur d'enregistrement magnetique et procede pour le preparer
BE861434A (fr) Preparation stable d'extrait de valeriane et procede pour sa fabrication
FR2344914A1 (fr) Milieu d'enregistrement magnetique et son procede de preparation
BE878975A (fr) Produit nouveau a base de volaille et procede pour sa preparation

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: EASTMAN KODAK CY

Effective date: 19900331