Process for polishing the surfaces of magnetic storage disks

A process for polishing the ground surfaces of magnetic storage disks which consist of a rigid substrate provided on both sides with a firmly adhering magnetic coating consisting of a magnetic material finely dispersed in an organic polymer and conventional additives, by pressing felt rings or felt...

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Bibliographic Details
Main Authors NAGEL; PETER, SAND; RUDOLF, KRUG; ARIBERT, FALK; ROLAND, DEIMLING; KARL
Format Patent
LanguageEnglish
Published 10.12.1985
Subjects
ADHESIVES
CHEMISTRY
DYES
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
POLISHING COMPOSITIONS OTHER THAN FRENCH POLISH
SKI WAXES
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Summary:A process for polishing the ground surfaces of magnetic storage disks which consist of a rigid substrate provided on both sides with a firmly adhering magnetic coating consisting of a magnetic material finely dispersed in an organic polymer and conventional additives, by pressing felt rings or felt disks against the moving magnetic storage disk, to the surface of which an aqueous emulsion containing butyl acetate with or without butane-1,4-diol is applied.
Bibliography:Application Number: US19800127085