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Magnetic recording medium and method for producing the same
US8995089B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8995089-B2 |
| Application number | US-201313944645-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 17, 2013 |
| Priority date | Mar 1, 2013 |
| Publication date | Mar 31, 2015 |
| Grant date | Mar 31, 2015 |
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Abstract
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According to one embodiment, there is provided a magnetic recording medium which includes a base, a magnetic recording layer having convex-shaped magnetic layers, which is formed on the base, and a protective film formed on the magnetic recording layer. There are gaps in a region surrounded by the protective film, the surface of the base, and each side wall of each magnetic layer.
First claim
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What is claimed is: 1. A magnetic recording medium comprising: a substrate; a magnetic recording layer having convex-shaped magnetic layers which is formed on the substrate; a protective film comprised of a non-magnetic material and formed on the magnetic recording layer; and gaps in a region surrounded by the protective film, the surface of the substrate, and each side wall of each magnetic layer. 2. The magnetic recording medium according to claim 1…
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- What does patent US8995089B2 cover?
- According to one embodiment, there is provided a magnetic recording medium which includes a base, a magnetic recording layer having convex-shaped magnetic layers, which is formed on the base, and a protective film formed on the magnetic recording layer. There are gaps in a region surrounded by the protective film, the surface of the base, and each side wall of each magnetic layer.
- Who is the assignee on this patent?
- Toshiba Kk
- What technology area does this patent fall under?
- Primary CPC classification G11B5/72. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Mar 31 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).