[go: up one dir, main page]

IT1028068B - Materiale per registrazione magnetica avente elevata resistenza al l usura e alla lacerazione - Google Patents

Materiale per registrazione magnetica avente elevata resistenza al l usura e alla lacerazione

Info

Publication number
IT1028068B
IT1028068B IT31047/74A IT3104774A IT1028068B IT 1028068 B IT1028068 B IT 1028068B IT 31047/74 A IT31047/74 A IT 31047/74A IT 3104774 A IT3104774 A IT 3104774A IT 1028068 B IT1028068 B IT 1028068B
Authority
IT
Italy
Prior art keywords
tear
wear
high resistance
magnetic registration
registration
Prior art date
Application number
IT31047/74A
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
Application granted granted Critical
Publication of IT1028068B publication Critical patent/IT1028068B/it

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
    • 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
    • Y10T428/252—Glass or ceramic [i.e., fired or glazed clay, cement, etc.] [porcelain, quartz, etc.]
    • 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
    • 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
    • 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
    • Y10T428/259—Silicic material
    • 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y10T428/2993—Silicic or refractory material containing [e.g., tungsten oxide, glass, cement, etc.]
IT31047/74A 1973-12-28 1974-12-27 Materiale per registrazione magnetica avente elevata resistenza al l usura e alla lacerazione IT1028068B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7346716A FR2256493B1 (it) 1973-12-28 1973-12-28

Publications (1)

Publication Number Publication Date
IT1028068B true IT1028068B (it) 1979-01-30

Family

ID=9129830

Family Applications (1)

Application Number Title Priority Date Filing Date
IT31047/74A IT1028068B (it) 1973-12-28 1974-12-27 Materiale per registrazione magnetica avente elevata resistenza al l usura e alla lacerazione

Country Status (8)

Country Link
US (1) US4015042A (it)
JP (1) JPS5099702A (it)
BE (1) BE823948A (it)
DE (1) DE2460595A1 (it)
FR (1) FR2256493B1 (it)
GB (1) GB1490236A (it)
IT (1) IT1028068B (it)
NL (1) NL7416905A (it)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5313907A (en) * 1976-07-26 1978-02-08 Fuji Photo Film Co Ltd Reader or trailer for magnetic tape
JPS5555439A (en) * 1978-10-18 1980-04-23 Hitachi Ltd Magnetic recording medium composite
JPS5613525A (en) * 1979-07-16 1981-02-09 Tdk Corp Magnetic recording medium
JPS5677927A (en) * 1979-11-28 1981-06-26 Fuji Photo Film Co Ltd Magnetic recording medium
JPS56143531A (en) * 1980-04-10 1981-11-09 Fuji Photo Film Co Ltd Magnetic recording medium
US4328935A (en) * 1980-06-12 1982-05-11 Minnesota Mining And Manufacturing Company Flexible magnetic recording tape having low-friction backside coating
JPS576439A (en) * 1980-06-13 1982-01-13 Tdk Corp Magnetic recording medium
US4474843A (en) * 1980-08-18 1984-10-02 Fuji Photo Film Co., Ltd. Magnetic recording medium
JPS5758227A (en) * 1980-09-25 1982-04-07 Tdk Corp Magnetic recording medium
JPS57130233A (en) * 1981-02-04 1982-08-12 Fuji Photo Film Co Ltd Magnetic recording medium
US4668568A (en) * 1981-05-07 1987-05-26 Fuji Photo Film Co., Ltd. Magnetic recording medium
JPS5841437A (ja) * 1981-09-01 1983-03-10 C Uyemura & Co Ltd 磁気記録媒体
JPS58189831A (ja) * 1982-04-30 1983-11-05 Fuji Photo Film Co Ltd 磁気記録体
JPS58203626A (ja) * 1982-05-20 1983-11-28 Tdk Corp 磁気記録媒体
JPS58222435A (ja) * 1982-06-18 1983-12-24 Fuji Photo Film Co Ltd 磁気記録体
JPS595426A (ja) * 1982-06-30 1984-01-12 Fuji Photo Film Co Ltd 磁気記録体
EP0108971B1 (en) * 1982-11-01 1988-05-25 Sumitomo Chemical Company, Limited Abrasive; production thereof and use thereof in magnetic recording medium
US4471009A (en) * 1983-04-15 1984-09-11 Dysan Corporation Thermosetting film-forming recording layer composition and method therefor
JPS6093631A (ja) * 1983-10-26 1985-05-25 Hitachi Maxell Ltd 磁気記録媒体
EP0152684B1 (en) * 1983-12-27 1988-11-09 Unisys Corporation Protection of thin cobaltous films for magnetic recording
JPS60263325A (ja) * 1984-06-11 1985-12-26 Mitsubishi Metal Corp 磁気記録媒体
NL8402136A (nl) * 1984-07-05 1986-02-03 Pd Magnetics Bv Magnetisch registratie element en methode voor de vervaardiging ervan.
JPS6129413A (ja) * 1984-07-20 1986-02-10 Tokico Ltd 磁気デイスク
US4626463A (en) * 1984-09-26 1986-12-02 Minnesota Mining And Manufacturing Company Diskette having wear-resistant magnetizable layer
JPH0618074B2 (ja) * 1984-10-25 1994-03-09 住友化学工業株式会社 磁気記録媒体
CA1285002C (en) * 1985-11-29 1991-06-18 Atsushi Ogura Ferrite-ceramic composite and method of manufacturing the same
JP2826835B2 (ja) * 1989-03-28 1998-11-18 ティーディーケイ株式会社 磁気記録媒体
EP0408819A1 (de) * 1989-07-21 1991-01-23 Doll, Friedbert Vorrichtung zum Auffangen des Flüssigkeitsstrahls einer Flüssigkeitsstrahl-Schneidmaschine
JPH046616A (ja) * 1990-04-24 1992-01-10 Matsushita Electric Ind Co Ltd 磁気記録媒体
JPH04110266A (ja) * 1990-08-30 1992-04-10 Sumitomo Electric Ind Ltd 推定車体速度演算装置
JP2700719B2 (ja) * 1991-01-10 1998-01-21 富士写真フイルム株式会社 磁気記録媒体及びその製造方法
US5811179A (en) * 1993-04-06 1998-09-22 Matsushita Electric Industrial Co., Ltd. Magnetic recording medium
JP3439541B2 (ja) * 1994-09-07 2003-08-25 富士写真フイルム株式会社 磁気記録媒体

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3190197A (en) * 1960-08-11 1965-06-22 Eastman Kodak Co Protective colloidal silica lacquer for developed photographic prints
JPS5515771B1 (it) * 1967-01-12 1980-04-25
US3833412A (en) * 1967-08-24 1974-09-03 Fuji Photo Film Co Ltd Magnetic recording medium
US3622386A (en) * 1968-08-08 1971-11-23 Memorex Corp Method of making magnetic recording discs
DE1929171C3 (de) * 1969-06-09 1979-06-07 Basf Ag, 6700 Ludwigshafen Schichtmagnetogrammträger
US3843404A (en) * 1970-06-08 1974-10-22 Ibm Magnetic recording coating

Also Published As

Publication number Publication date
NL7416905A (nl) 1975-07-01
FR2256493A1 (it) 1975-07-25
FR2256493B1 (it) 1979-04-06
GB1490236A (en) 1977-10-26
JPS5099702A (it) 1975-08-07
DE2460595A1 (de) 1975-07-10
US4015042A (en) 1977-03-29
BE823948A (fr) 1975-06-27

Similar Documents

Publication Publication Date Title
IT1028068B (it) Materiale per registrazione magnetica avente elevata resistenza al l usura e alla lacerazione
IT1017361B (it) Testina magnetica incorporante materiale magnetoresistivo
IT1023835B (it) Materiale per documenti
ATA231074A (de) Damenbinde
IT1003394B (it) Trasduttore magnetico perfezionato
SE399575B (sv) Bandmaterial for vegytemarkering
SE393596B (sv) Armerat cementmaterial
IT1021455B (it) Puleggia magnetica per eliminare pezzi amagnetici di materiale di rifiuto
IT1004320B (it) Materiale magnetico duro
BE815046A (fr) Nouveau materiau composite
IT1019228B (it) Agenti ausiliari in particolare per la carta e procedimento per la loro produzione
BE798605A (fr) Agencement de cylindres dans des presses d'essorage de matieres
IT1024366B (it) Agenti di collagio per carta e procedimento per proturli
IT1060364B (it) Composizione per proteggere materiale cheritanico
BR7400581D0 (pt) Composicao de materia
ATA304974A (de) Bindemittel und/oder impragniermittel
AT331286B (de) Geformter impfmittelkorper zum impfen von gusseisenschmelzen
BR7305806D0 (pt) Aperfeicoamento em composicao de materia
BE812539A (nl) Magnetisch registreermateriaal
IT1025488B (it) Materiale per guarnizioni
AT333793B (de) Ubertragungsmaterial
HK88579A (en) Improvements in and relating to magnetic material
IT1002866B (it) Materiale di registrazione fogogra fica e procedimento per prepararlo
IT1016906B (it) Materiale magnetico permanente
IT1020276B (it) Testina magnetica resistente alla usura