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Patent Searching and Data


Title:
MAGNETIC RECORDING MEDIUM
Document Type and Number:
Japanese Patent JPH1196538
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a magnetic recording medium having a small output difference by the traveling direction of the medium and a small difference in the output between an A channel and a B channel. SOLUTION: This magnetic recording medium includes at least a base 1, a lower magnetic layer 2 formed by a diagonal vapor deposition method on this base 1 and an upper magnetic layer 3 formed by a coating method on this lower magnetic layer 2. The lower magnetic layer 2 is formed of the curved columns increased in the inclination with the surface of the base 1 from the base 1 side toward the upper magnetic layer 3. The upper magnetic layer 3 is formed of aciculate magnetic powder and the orientation direction of the magnetic powder is opposite to the inclination direction of the columns with the base 1 surface.

Inventors:
KITAORI NORIYUKI
OTSUKA KAZUTOSHI
ISHIKAWA AKIRA
Application Number:
JP26123897A
Publication Date:
April 09, 1999
Filing Date:
September 26, 1997
Export Citation:
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Assignee:
KAO CORP
International Classes:
G11B5/66; G11B5/64; G11B5/65; G11B5/70; G11B5/735; (IPC1-7): G11B5/66; G11B5/70
Attorney, Agent or Firm:
Kaoru Furuya (3 outside)