Stock material or miscellaneous articles – Structurally defined web or sheet – Continuous and nonuniform or irregular surface on layer or...
Patent
1996-03-08
1999-06-01
Resan, Stevan A.
Stock material or miscellaneous articles
Structurally defined web or sheet
Continuous and nonuniform or irregular surface on layer or...
428323, 428328, 428329, 428330, 428336, 428341, 428694BR, 428694BS, 428900, 427128, G11B 500
Patent
active
RE0362204
ABSTRACT:
Disclosed are a magnetic recording medium which comprises a non-magnetic support, one or more coating layers provided on the non-magnetic support and an upper layer of the coating layers being a magnetic layer containing ferromagnetic metallic powder with the total thickness of the coating layers being 0.5 to 2.5 .mu.m, wherein the magnetic layer has a surface roughness Ra of 1.0 to 4.6 nm and a surface roughness R10z of 8.0 to 35.0 nm, which satisfy the relations of:
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Hayashi Takahiro
Imai Kazuyoshi
Kato Hisato
Mori Takahiro
Sasaki Kunitsuna
Konica Corporation
Resan Stevan A.
TDK Corporation
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