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CH397266A - Process for the production of magnetogram carriers - Google Patents

Process for the production of magnetogram carriers

Info

Publication number
CH397266A
CH397266A CH1139960A CH1139960A CH397266A CH 397266 A CH397266 A CH 397266A CH 1139960 A CH1139960 A CH 1139960A CH 1139960 A CH1139960 A CH 1139960A CH 397266 A CH397266 A CH 397266A
Authority
CH
Switzerland
Prior art keywords
production
magnetogram carriers
magnetogram
carriers
Prior art date
Application number
CH1139960A
Other languages
German (de)
Inventor
Duinker Simon
Koorneef Jacob
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH397266A publication Critical patent/CH397266A/en

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
    • G11B5/716—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 two or more magnetic layers
CH1139960A 1959-10-14 1960-10-11 Process for the production of magnetogram carriers CH397266A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL244342 1959-10-14

Publications (1)

Publication Number Publication Date
CH397266A true CH397266A (en) 1965-08-15

Family

ID=19751979

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1139960A CH397266A (en) 1959-10-14 1960-10-11 Process for the production of magnetogram carriers

Country Status (3)

Country Link
CH (1) CH397266A (en)
GB (1) GB964701A (en)
SE (1) SE301393B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2545959A1 (en) * 1974-10-16 1976-04-29 Emi Ltd Magnetic identification record - with layer of differently aligned magnetizable particles in watermark pattern

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2545959A1 (en) * 1974-10-16 1976-04-29 Emi Ltd Magnetic identification record - with layer of differently aligned magnetizable particles in watermark pattern

Also Published As

Publication number Publication date
GB964701A (en) 1964-07-22
SE301393B (en) 1968-06-04

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