Magnetic recording disc having tensioned and elastically-support

Magnetic recording disk

Magnetic recording disk

Magnetic recording disk

Magnetic recording disk

Magnetic recording disk and process for manufacture thereof

Magnetic recording disk having a laser-textured surface

Magnetic recording disk having a safe zone

Magnetic recording disk having a transition zone

Magnetic recording disk having a transition zone

Magnetic recording disk having protrusions centered in respectiv

Magnetic recording disk having textured surface

Magnetic recording disk having textured test band for controllin

Magnetic recording disk in which the level of the surface of the

Magnetic recording disk with equally-spaced servo sectors extend

Magnetic recording media with discrete tracks of magnetic...

Magnetic recording media, substrate for magnetic recording...

Magnetic recording medium

Magnetic recording medium

Magnetic recording medium and information reproducing apparatus