Dual layer optical medium having partially reflecting metal allo

Dual layer optical storage medium having partially...

Dual layer optical storage medium having partially...

Dual substrate optical recording medium

Dual surface optical memory disc

Dual-metal reflective layer recordable/erasable optical media

Dual-stack optical data storage medium and use of such medium

Dye recording medium having read-only area and recordable area

Dye-polymer optical data storage media with improved recording s

Dye-polymer optical data storage media with improved recording s

Eccentricity detection and compensation of a disk by a preformat

Edge detection of information pit pattern by establishing thresh

Enclosure for optical disk or the like

Erasable digital video disk with reference clock track

Erasable optical data storage medium

Erasable optical data storage medium having a zoned integral rec

Erasable optical data storage medium having an embedded servo tr

Erasable optical disk and optical information recording/reproduc

Erasable optical recording medium with a reversible light absorp

Erasable recording media