Patent ID: 6395400
Filing Date: 2002-05-28
Classification: B32B,G11B,Y10S,Y10T

Abstract:
A magnetic recording medium comprising:a nonmagnetic support, a nonmagnetic layer mainly containing one or more nonmagnetic inorganic powders and a binder formed on the nonmagnetic support, and a magnetic layer containing a ferromagnetic powder and a binder having a thickness of 0.05 &mgr;m or larger and 1.0 &mgr;m or lower formed on the nonmagnetic layer; wherein the nonmagnetic support is a biaxially oriented film made of aromatic polyamide resin and the biaxially oriented aromatic support has a ratio of the loss, and the loss tangent at the temperature of 100Â° C. is 0.05 or lower.