Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Masatoshi Takahashi0
Mikio Ohno0
Date of Patent
April 22, 2008
0Patent Application Number
110900690
Date Filed
March 28, 2005
0Patent Primary Examiner
Patent abstract
A leader tape in which an non-magnetic under layer that contains a powder and a binder and a magnetic upper layer are sequentially laminated on at least one side of a support, a center line average roughness (Ra) of a surface of the support is from 30 to 50 nm, and a center line average roughness (Ra) of the multi layer coated surface is larger than that (Ra) of an opposite surface of the support, and the difference is at most 4 nm.
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