CH460375A - Magnetic tape - Google Patents

Magnetic tape

Info

Publication number
CH460375A
CH460375A CH743667A CH743667A CH460375A CH 460375 A CH460375 A CH 460375A CH 743667 A CH743667 A CH 743667A CH 743667 A CH743667 A CH 743667A CH 460375 A CH460375 A CH 460375A
Authority
CH
Switzerland
Prior art keywords
magnetic tape
tape
magnetic
Prior art date
Application number
CH743667A
Other languages
German (de)
Inventor
Barry Jarrett Kenneth
Original Assignee
Ici Ltd
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 Ici Ltd filed Critical Ici Ltd
Publication of CH460375A publication Critical patent/CH460375A/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
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/7368—Non-polymeric layer under the lowermost magnetic recording layer
    • 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
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/739—Magnetic recording media substrates
    • G11B5/73923—Organic polymer substrates
    • G11B5/73927—Polyester substrates, e.g. polyethylene terephthalate
CH743667A 1966-05-27 1967-05-26 Magnetic tape CH460375A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB23793/66A GB1139346A (en) 1966-05-27 1966-05-27 Improved magnetic recording tape

Publications (1)

Publication Number Publication Date
CH460375A true CH460375A (en) 1968-07-31

Family

ID=10201416

Family Applications (1)

Application Number Title Priority Date Filing Date
CH743667A CH460375A (en) 1966-05-27 1967-05-26 Magnetic tape

Country Status (4)

Country Link
BE (1) BE698832A (en)
CH (1) CH460375A (en)
GB (1) GB1139346A (en)
LU (1) LU53758A1 (en)

Also Published As

Publication number Publication date
BE698832A (en) 1967-11-22
LU53758A1 (en) 1967-07-26
GB1139346A (en) 1969-01-08

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