IT7820803A0 - Elemento di registrazione magnetica. - Google Patents

Elemento di registrazione magnetica.

Info

Publication number
IT7820803A0
IT7820803A0 IT7820803A IT2080378A IT7820803A0 IT 7820803 A0 IT7820803 A0 IT 7820803A0 IT 7820803 A IT7820803 A IT 7820803A IT 2080378 A IT2080378 A IT 2080378A IT 7820803 A0 IT7820803 A0 IT 7820803A0
Authority
IT
Italy
Prior art keywords
magnetic recording
recording element
magnetic
recording
Prior art date
Application number
IT7820803A
Other languages
English (en)
Other versions
IT1092977B (it
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 IT7820803A0 publication Critical patent/IT7820803A0/it
Application granted granted Critical
Publication of IT1092977B publication Critical patent/IT1092977B/it

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/12—Cinematrographic processes of taking pictures or printing
    • G03C5/14—Cinematrographic processes of taking pictures or printing combined with sound-recording
    • 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
    • G11B5/714—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 dimension of the magnetic 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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/842—Coating a support with a liquid magnetic dispersion
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/918—Material abnormally transparent
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
IT20803/78A 1977-03-02 1978-03-01 Elemento di registrazione magnetica IT1092977B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7706066A FR2382325A1 (fr) 1977-03-02 1977-03-02 Produit comprenant une couche d'enregistrement magnetique transparente

Publications (2)

Publication Number Publication Date
IT7820803A0 true IT7820803A0 (it) 1978-03-01
IT1092977B IT1092977B (it) 1985-07-12

Family

ID=9187442

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20803/78A IT1092977B (it) 1977-03-02 1978-03-01 Elemento di registrazione magnetica

Country Status (7)

Country Link
US (2) US4279945A (it)
JP (1) JPS53109604A (it)
BE (1) BE864513A (it)
DE (1) DE2808371A1 (it)
FR (1) FR2382325A1 (it)
GB (1) GB1590501A (it)
IT (1) IT1092977B (it)

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JPS5729769B2 (it) * 1974-02-15 1982-06-24
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DE2444491A1 (de) * 1974-09-18 1976-04-01 Bayer Ag Verfahren zur herstellung von magnetbaendern mit verbesserten magnetischen und elektroakustischen eigenschaften
JPS525497A (en) * 1975-07-02 1977-01-17 Fuji Photo Film Co Ltd Ferromagnetic grit manufacturing process
FR2353110A1 (fr) * 1976-03-12 1977-12-23 Kodak Pathe Nouveau produit d'enregistrement magnetique et procede pour sa preparation
US4126727A (en) * 1976-06-16 1978-11-21 Congoleum Corporation Resinous polymer sheet materials having selective, decorative effects
US4199614A (en) * 1976-08-02 1980-04-22 Xerox Corporation Transparent colored magnetic materials and electrostatographic process
JPS6035733B2 (ja) * 1977-09-19 1985-08-16 富士写真フイルム株式会社 磁気記録体

Also Published As

Publication number Publication date
US4302523A (en) 1981-11-24
FR2382325A1 (fr) 1978-09-29
GB1590501A (en) 1981-06-03
FR2382325B1 (it) 1982-08-20
DE2808371A1 (de) 1978-09-07
JPS53109604A (en) 1978-09-25
BE864513A (fr) 1978-09-04
US4279945A (en) 1981-07-21
IT1092977B (it) 1985-07-12

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