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US 6,607,806 B2Granted
Magnetic recording medium
AssigneeFuji Photo Film Co., Ltd.
InventorsKazuo Kato, Kazuko Hanai, Mikio Ono
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Abstract
A magnetic recording medium comprises: a support; and at least one magnetic layer comprising a binder and a ferromagnetic alloy powder including Fe, wherein the magnetic recording medium has a surface scratch depth of 370 nm to 460 nm, and has a surface lubricant index of 4 to 11.
Claims18
A magnetic recording medium, which comprises:
- a support;
- and
- at least one magnetic layer comprising a binder, a lubricant and a ferromagnetic alloy powder including Fe,
- wherein the magnetic recording medium has a surface scratch depth of 370 nm to 460 nm, and has a surface lubricant index of 4 to 11, and the ferromagnetic alloy powder has an average long axis length 30 to 150 nm.
1 more element
Dependencies are inferred from the claim text.