Video disc processing
Video record disc
Wavelength selective coatings for optical disc security
Write inhibit tab for disc cartridge
Write once recording medium, recording device and recording...
Write once recording medium, recording device and recording...
Write protect component for re-writable compact disc
Write protect for rewritable compact disks and digital video...
Write verification in an optical recording system by sensing mar
Write-once information recording medium and coloring matter...
Write-once information recording medium and disk apparatus
Write-once optical data storage medium having dual recording...
Write-once recording medium, recording method, recording...
Write-once type optical recording medium and fabrication...
Write-one type recording medium storing time and data-writing ma
Writing scheme for an optical recording medium
Zoned record carrier