NL183240C - Magnetisch registratiemedium, met isobuteen-oligomeer als glijmiddel. - Google Patents

Magnetisch registratiemedium, met isobuteen-oligomeer als glijmiddel.

Info

Publication number
NL183240C
NL183240C NLAANVRAGE7802049,A NL7802049A NL183240C NL 183240 C NL183240 C NL 183240C NL 7802049 A NL7802049 A NL 7802049A NL 183240 C NL183240 C NL 183240C
Authority
NL
Netherlands
Prior art keywords
lubricant
registration medium
isobutene oligomer
magnetic registration
magnetic
Prior art date
Application number
NLAANVRAGE7802049,A
Other languages
English (en)
Dutch (nl)
Other versions
NL7802049A (nl
NL183240B (nl
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of NL7802049A publication Critical patent/NL7802049A/xx
Publication of NL183240B publication Critical patent/NL183240B/xx
Application granted granted Critical
Publication of NL183240C publication Critical patent/NL183240C/xx

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
    • G11B5/71—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 lubricant
NLAANVRAGE7802049,A 1977-02-24 1978-02-23 Magnetisch registratiemedium, met isobuteen-oligomeer als glijmiddel. NL183240C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52019476A JPS5899B2 (ja) 1977-02-24 1977-02-24 磁気記録媒体

Publications (3)

Publication Number Publication Date
NL7802049A NL7802049A (nl) 1978-08-28
NL183240B NL183240B (nl) 1988-04-05
NL183240C true NL183240C (nl) 1988-09-01

Family

ID=12000375

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7802049,A NL183240C (nl) 1977-02-24 1978-02-23 Magnetisch registratiemedium, met isobuteen-oligomeer als glijmiddel.

Country Status (4)

Country Link
JP (1) JPS5899B2 (ja)
FR (1) FR2382071A1 (ja)
GB (1) GB1589199A (ja)
NL (1) NL183240C (ja)

Also Published As

Publication number Publication date
NL7802049A (nl) 1978-08-28
FR2382071A1 (fr) 1978-09-22
NL183240B (nl) 1988-04-05
JPS53104205A (en) 1978-09-11
FR2382071B1 (ja) 1980-08-29
JPS5899B2 (ja) 1983-01-05
GB1589199A (en) 1981-05-07

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Legal Events

Date Code Title Description
BC A request for examination has been filed
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee

Effective date: 19960901