Magnetic recording media having a backside coating which includes multicomponent, nonmagnetic particles

A magnetic recording medium comprising a support having two major surfaces, a magnetic layer provided on one major surface of the support, and a backside coating provided on the other major surface of the support wherein the backside coating comprises nonmagnetic, multicomponent particles dispersed...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LAW, KAM W, GRECZYNA, JAMES A, WOLFF, LESLIE M, KATZENMAIER, KEVIN R, SABADE, MILIND B
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PHYSICS POLISHES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	A magnetic recording medium comprising a support having two major surfaces, a magnetic layer provided on one major surface of the support, and a backside coating provided on the other major surface of the support wherein the backside coating comprises nonmagnetic, multicomponent particles dispersed in a polymeric binder. The nonmagnetic, multicomponent particles are comprised of a first component having a Mohs hardness equal to or less than 7 and a second component having a Mohs hardness greater than 7.