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US 2019/0304495 A1Published application
Protective layer for mitigating protruding defects in magnetic tape recording media
AssigneeInternational Business Machines Corporation
InventorsRobert G. Biskeborn, Calvin S. Lo
Life of this patent
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Abstract
A magnetic recording medium according to one embodiment includes a base film and a first nonmagnetic layer above the base film. The first nonmagnetic layer has first nonmagnetic particles. A second nonmagnetic layer is positioned above the first nonmagnetic layer, the second nonmagnetic layer having second nonmagnetic particles. A magnetic layer is positioned above the second nonmagnetic layer, the magnetic layer including a magnetic material.
Claims18
A magnetic recording medium, comprising:
- a base film;
- a first nonmagnetic layer above the base film, the first nonmagnetic layer having first nonmagnetic particles;
- a second nonmagnetic layer above the first nonmagnetic layer, the second nonmagnetic layer having second nonmagnetic particles;
- and
- a magnetic layer above the second nonmagnetic layer, the magnetic layer including a magnetic material.
2 more elements
Dependencies are inferred from the claim text.