Patent ID: 6744725
Filing Date: 2004-06-01
Classification: G11B,Y10T

Abstract:
An information recording medium comprising at least a substrate, a recording layer, and a resin layer,wherein said substrate is formed with a read only area and a recording/reproducing area, and wherein said read only area and said recording/reproducing area do not overlap with each other, and wherein a reflectivity of said recording layer is more than 10%, and wherein said recording layer and said resin layer are formed continuously over at least two areas of said read only area and said recording/reproducing area, and wherein a push-pull signal output T1 reproduced from said read only area is more than 0.1 and another push-pull signal output T2 reproduced from said recording/reproducing area is more than 0.1, and wherein 1.5&gE;T1/T2&gE;0.5.