IT996425B - Procedimento per la produzione di dischi magnetici con sotilli strati magnetici - Google Patents

Procedimento per la produzione di dischi magnetici con sotilli strati magnetici

Info

Publication number
IT996425B
IT996425B IT5360873A IT5360873A IT996425B IT 996425 B IT996425 B IT 996425B IT 5360873 A IT5360873 A IT 5360873A IT 5360873 A IT5360873 A IT 5360873A IT 996425 B IT996425 B IT 996425B
Authority
IT
Italy
Prior art keywords
magnetic
procedure
production
discs
layers
Prior art date
Application number
IT5360873A
Other languages
English (en)
Italian (it)
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 IT996425B publication Critical patent/IT996425B/it

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84Processes or apparatus specially adapted for manufacturing record carriers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/68Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70Record 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
    • G11B5/708Record 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 addition of non-magnetic particles to the layer
    • G11B5/7085Record 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 addition of non-magnetic particles to the layer non-magnetic abrasive particles
IT5360873A 1972-11-10 1973-11-09 Procedimento per la produzione di dischi magnetici con sotilli strati magnetici IT996425B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722254981 DE2254981A1 (de) 1972-11-10 1972-11-10 Verfahren zur herstellung von magnetplatten mit duennen magnetschichten

Publications (1)

Publication Number Publication Date
IT996425B true IT996425B (it) 1975-12-10

Family

ID=5861309

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5360873A IT996425B (it) 1972-11-10 1973-11-09 Procedimento per la produzione di dischi magnetici con sotilli strati magnetici

Country Status (7)

Country Link
JP (1) JPS50803A (xx)
BE (1) BE807105A (xx)
DE (1) DE2254981A1 (xx)
FR (1) FR2206548B1 (xx)
GB (1) GB1448593A (xx)
IT (1) IT996425B (xx)
NL (1) NL7315209A (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4067682A (en) * 1975-08-01 1978-01-10 Nichols Engineering & Research Corporation Oil burner system
JPS5260308U (xx) * 1975-10-28 1977-05-02
JPS5613525A (en) * 1979-07-16 1981-02-09 Tdk Corp Magnetic recording medium
JPS5724027A (en) * 1980-07-16 1982-02-08 Tdk Corp Magnetic recording medium
DE3407721A1 (de) * 1984-03-02 1985-09-12 Basf Ag, 6700 Ludwigshafen Magnetische aufzeichnungstraeger
FR2638000B1 (fr) * 1988-10-18 1990-12-14 Kodak Pathe Carte a memoire magnetique a grande capacite et procede de fabrication

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1804393A1 (de) * 1968-10-22 1970-05-27 Basf Ag Verfahren zur Herstellung von magnetischen Aufzeichnungstraegern
CH506155A (de) * 1969-04-14 1971-04-15 Ibm Magnetische Datenspeichervorrichtung

Also Published As

Publication number Publication date
FR2206548B1 (xx) 1979-02-23
GB1448593A (en) 1976-09-08
DE2254981A1 (de) 1974-06-12
NL7315209A (xx) 1974-05-14
JPS50803A (xx) 1975-01-07
FR2206548A1 (xx) 1974-06-07
BE807105A (fr) 1974-05-09

Similar Documents

Publication Publication Date Title
IT995065B (it) Procedimento per la produzione di fluidi magnetici con tecniche di reptizzazione
IT975617B (it) Metodo per la preparazione di strati decorativi
IT1000184B (it) Procedimento per la produzione di strati sottili di elastomeri poliuretanici
IT999751B (it) Procedimento per la produzione di poliolefine
IT973901B (it) Procedimento per la produzione di alogenidrine
IT997597B (it) Procedimento per la fabbricazione di dischi per registrazione magne tica
BE806212A (fr) Transducteurs magnetiques perfectionnes
IT958044B (it) Procedimento per la produzione di politiobisfenoli
IT963495B (it) Apparecchiatura per lo stampaggio di strati sottili
IT1020525B (it) Procedimento per la produzione di poliolefine
IT994466B (it) Procedimento per la produzione di registrazioni magnetiche pro tette contro la manomissione
IT997911B (it) Procedimento per la produzione di etilbenzolo
IT1001666B (it) Produzione di fenoli
SE392609B (sv) Forfarande for framstellning av metanhaltiga gaser
IT990110B (it) Procedimento per la produzione di tereftalato dimetilico
IT989765B (it) Procedimento per la produzione di idrocarburi alchilati
IT1026170B (it) Procedimento per la produzione di materilali magnetici con comportamento antisotropo reversibile
IT1196391B (it) Produzione di gammaglobulina
IT996425B (it) Procedimento per la produzione di dischi magnetici con sotilli strati magnetici
IT980672B (it) Procedimento per la produzione di triarilfosfati
IT985737B (it) Procedimento per la produzione di idroperossidi
IT997708B (it) Procedimento per la produzione di terz butanolo
IT988136B (it) Procedimento per la produzione di m e p fenilendiammina
IT996245B (it) Procedimento per la produzione di amminoantrachinoni
IT1000169B (it) Procedimento per la produzione di antrachinon ossazoli