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:
Aug. 30, 2005
Filed:
Apr. 06, 2001
Helmut Jakusch, Frankenthal, DE;
Albert Kohl, Laumersheim, DE;
Peter Heilmann, Bad Dürkheim, DE;
Ronald John Veitch, Maxdorf, DE;
Ria Kress, Ludwigshafen, DE;
Stefan Müller, Willsätt, DE;
Johannes Sandrock, Kehl, DE;
Hartmut Heene, Muldenstein, DE;
Helmut Jakusch, Frankenthal, DE;
Albert Kohl, Laumersheim, DE;
Peter Heilmann, Bad Dürkheim, DE;
Ronald John Veitch, Maxdorf, DE;
Ria Kress, Ludwigshafen, DE;
Stefan Müller, Willsätt, DE;
Johannes Sandrock, Kehl, DE;
Hartmut Heene, Muldenstein, DE;
Imation Corp., Oakdale, MN (US);
Abstract
Multilayer magnetic recording medium which is suitable for high recording densities and the recording of digital data, has very good electromagnetic recording properties and good surface smoothness and can absorb a large amount of lubricant in the lower layer and has at least one upper magnetic recording layer less than 0.5 μm thick and at least one lower layer which contains a magnetically soft pigment.