PERPENDICULAR MAGNETIC RECORD MEDIUM AND MAGNETIC RECORDING AND REPRODUCING DEVICE

摘要

PROBLEM TO BE SOLVED: To enable high density recording by making a perpendicular magnetic recording layer further minute. SOLUTION: In the perpendicular magnetic recording medium, an under layer having crystal particles and a carbide or boride contained separation phase is provided under the perpendicular magnetic recording layer and an another under layer containing one of elements which constitute the crystal particles is provided under the under layer. COPYRIGHT: (C)2005,JPO&NCIPI