FR2474738B3 - - Google Patents

Info

Publication number
FR2474738B3
FR2474738B3 FR8001876A FR8001876A FR2474738B3 FR 2474738 B3 FR2474738 B3 FR 2474738B3 FR 8001876 A FR8001876 A FR 8001876A FR 8001876 A FR8001876 A FR 8001876A FR 2474738 B3 FR2474738 B3 FR 2474738B3
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR8001876A
Other languages
French (fr)
Other versions
FR2474738A3 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8001876A priority Critical patent/FR2474738A3/fr
Publication of FR2474738A3 publication Critical patent/FR2474738A3/fr
Application granted granted Critical
Publication of FR2474738B3 publication Critical patent/FR2474738B3/fr
Granted legal-status Critical Current

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
    • G11B5/72—Protective coatings, e.g. anti-static or antifriction
    • G11B5/725—Protective coatings, e.g. anti-static or antifriction containing a lubricant, e.g. organic compounds
    • 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
    • G11B5/72—Protective coatings, e.g. anti-static or antifriction
    • G11B5/726—Two or more protective coatings
FR8001876A 1980-01-29 1980-01-29 Element magnetique lubrifie, du type destine a l'enregistrement et a la reproduction de signaux, et son procede de lubrification Granted FR2474738A3 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8001876A FR2474738A3 (fr) 1980-01-29 1980-01-29 Element magnetique lubrifie, du type destine a l'enregistrement et a la reproduction de signaux, et son procede de lubrification

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8001876A FR2474738A3 (fr) 1980-01-29 1980-01-29 Element magnetique lubrifie, du type destine a l'enregistrement et a la reproduction de signaux, et son procede de lubrification

Publications (2)

Publication Number Publication Date
FR2474738A3 FR2474738A3 (fr) 1981-07-31
FR2474738B3 true FR2474738B3 (cg-RX-API-DMAC10.html) 1981-12-04

Family

ID=9237987

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8001876A Granted FR2474738A3 (fr) 1980-01-29 1980-01-29 Element magnetique lubrifie, du type destine a l'enregistrement et a la reproduction de signaux, et son procede de lubrification

Country Status (1)

Country Link
FR (1) FR2474738A3 (cg-RX-API-DMAC10.html)

Also Published As

Publication number Publication date
FR2474738A3 (fr) 1981-07-31

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Legal Events

Date Code Title Description
ST Notification of lapse