| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a magnetic recording medium for an MR head having an excellent electromagnetic conversion characteristic such as reproduction output and overwrite characteristics. <P>SOLUTION: In the electromagnetic recording medium provided with a magnetic layer formed by dispersing ferromagnetic metal powder in a binder on a non-magnetic supporting body, the binder contains polyurethane resin obtained from polyester polyol, chain-lengthening agent, and organic di-isocyanate, and the magnetic layer is characterized in that the productΠof longitudinal in-plane coercive force Hc (kA/m) and the magnetic fluxϕm (Tμm) is 400 to 800. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
