IT1074781B - Supporti flessibili per magnetogrammi a piu strati - Google Patents

Supporti flessibili per magnetogrammi a piu strati

Info

Publication number
IT1074781B
IT1074781B IT52563/76A IT5256376A IT1074781B IT 1074781 B IT1074781 B IT 1074781B IT 52563/76 A IT52563/76 A IT 52563/76A IT 5256376 A IT5256376 A IT 5256376A IT 1074781 B IT1074781 B IT 1074781B
Authority
IT
Italy
Prior art keywords
magnetograms
layer
flexible supports
supports
flexible
Prior art date
Application number
IT52563/76A
Other languages
English (en)
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Application granted granted Critical
Publication of IT1074781B publication Critical patent/IT1074781B/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
    • G11B5/706—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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/2495—Thickness [relative or absolute]
    • Y10T428/24967—Absolute thicknesses specified
    • Y10T428/24975—No layer or component greater than 5 mils thick
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y10T428/265—1 mil or less
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/269—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension including synthetic resin or polymer layer or component
IT52563/76A 1975-12-13 1976-12-10 Supporti flessibili per magnetogrammi a piu strati IT1074781B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2556188A DE2556188C3 (de) 1975-12-13 1975-12-13 Flexible Mehrschichtmagnetogrammträger

Publications (1)

Publication Number Publication Date
IT1074781B true IT1074781B (it) 1985-04-20

Family

ID=5964285

Family Applications (1)

Application Number Title Priority Date Filing Date
IT52563/76A IT1074781B (it) 1975-12-13 1976-12-10 Supporti flessibili per magnetogrammi a piu strati

Country Status (5)

Country Link
US (1) US4109046A (it)
JP (1) JPS5942375B2 (it)
DE (1) DE2556188C3 (it)
FR (1) FR2335017A1 (it)
IT (1) IT1074781B (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5816248B2 (ja) * 1975-11-05 1983-03-30 富士写真フイルム株式会社 シンキナジキキロクタイ
DE2801452C2 (de) * 1978-01-13 1985-03-28 Agfa-Gevaert Ag, 5090 Leverkusen Magnetisches Aufzeichnungsmaterial
JPS5864628A (ja) * 1981-10-13 1983-04-18 Hitachi Maxell Ltd 磁気記録媒体
JPS58122623A (ja) * 1982-01-14 1983-07-21 Sony Corp 円盤状磁気記録媒体
JPS6043224A (ja) * 1983-08-18 1985-03-07 Tdk Corp 磁気記録媒体
JPS6045936A (ja) * 1983-08-22 1985-03-12 Tdk Corp 磁気記録媒体
JPS60124025A (ja) * 1983-12-06 1985-07-02 Fuji Photo Film Co Ltd 磁気記録媒体
JPH0656653B2 (ja) * 1984-06-13 1994-07-27 日立マクセル株式会社 磁気記録媒体
JP2631685B2 (ja) * 1988-02-29 1997-07-16 富士写真フイルム株式会社 磁気記録媒体
JP2819029B2 (ja) * 1988-09-19 1998-10-30 コニカ株式会社 磁気記録媒体
DE19714161A1 (de) * 1997-04-05 1998-10-08 Emtec Magnetics Gmbh Magnetischer Aufzeichnungsträger
US6890631B2 (en) * 2002-06-10 2005-05-10 International Business Machines Corporation Dual-surface flexible magnetic tape

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1324795A (en) * 1969-10-31 1973-07-25 Rca Corp Magnetic recording element
DE2022820C3 (de) * 1970-05-11 1980-01-03 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung von hochkoerzitivem Chromdioxid
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
DE2556188A1 (de) 1977-06-23
DE2556188C3 (de) 1979-07-05
JPS5942375B2 (ja) 1984-10-15
JPS5273002A (en) 1977-06-18
FR2335017A1 (fr) 1977-07-08
FR2335017B1 (it) 1981-02-20
US4109046A (en) 1978-08-22
DE2556188B2 (de) 1978-10-26

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19931229