120mm disc


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120mm disc

A full-size CD or DVD disc platter. See mini CD.
References in periodicals archive ?
As with other blue laser formats (and like HD-DVD), BD technology utilizes a shorter wavelength--405 nanometer blue violet laser--that, when combined with a higher numerical aperture and tighter track pitch, enables greatly improved bit density on the 120mm disc.
120mm disc (DRM-V47R) incorporates a copyright protection feature The 120mm-disc for video recording allows for copyright protection, utilizing CPRM (Copy Protection for Recordable Media), a copy generation restriction and management system.
and Yamaha Corporation today announced the format specifications for Phase-Change ReWritable, a 120mm disc format designed to be read easily by future DVD-ROM drives.
Larger format 120mm discs use the significantly larger area for recording to achieve capacities ranging from 4.