Patent ID: 6689452
Filing Date: 2004-02-10
Classification: G11B,Y10T

Abstract:
A magnetic recording medium comprising:a non-magnetic base film; and a magnetic recording layer formed on the non-magnetic base film, which contains a filler, a binder resin and surface-modified magnetic particles having an average particle diameter of 0.01 to 0.7 &mgr;m and comprising magnetic particles and an organosilane compound produced from a silane monomer, comprising an alkoxysilane represented by the formula (I): R1aSiX4-aâ€ƒâ€ƒ(I) wherein R1 is C6H5â€”, (CH3)2CHCH2â€” or n-CbH2b+1â€” (wherein b is an integer of 1 to 18); X is CH3Oâ€” or C2H5Oâ€”; and a is an integer of 0 to 3, the organosilane being coated on surface of the magnetic particle by means of a dry-mixing method.