The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 15, 2001
Filed:
Mar. 17, 1998
August Lehner, Rödersheim-Gronau, DE;
Helmut Jakusch, Frankenthal, DE;
Volker Koch, Battenberg, DE;
Manfred Ohlinger, Frankenthal, DE;
Albert Kohl, Laumersheim, DE;
Werner Lenz, Bad Dürkheim, DE;
Norbert Schneider, Altrip, DE;
Peter Heilmann, Bad Dürkheim, DE;
Werner Hübner, Frankenthal, DE;
Erich Hoffmann, Heidelberg, DE;
Ronald John Veitch, Maxdorf, DE;
Rudi Lehnert, Ludwigshafen, DE;
Harald Jachow, Worms, DE;
EMTEC Magnetics GmbH, Ludwigshafen, DE;
Abstract
Described are tape-type magnetic recording media (I) including a non-magnetic substrate (III), at least one film applied to the substrate and, in at least one of these films, an inorganic acicular pigment (II) suitable for use as a supporting pigment, the ratio of the mean length to the mean diameter of the pigment (II) being at least 3 and the mean modulus of elasticity of the films being not less than 15 GPa in the longitudinal direction of the tape-type recording medium (I).