The double-layer DVD+R medium is the newest technology breakthrough in optical discs. With single-sided disc, DVD+R DL has an amazing 8.5GB of storage capacity, enough for up to 4 hours of high-resolution DVD data or 16 hours of VHS video data or 120 hours of MP3 music. It is compatible with all current DVD video players and DVD-ROM drives as well as new DVD+R DL drives, the disc is ideal for virtually any business or household application

RIDATADVD+R DL makes use of the different focuses of a laser beam to make double layers on the same side of a DVD, When data is duplicated, data can be continuously recorded from the first layer to the second layer without interruption. When data is read, the data can also be read continuously all the way to the second layer.
 

DVD+R Double Layer Structure

• Continuity of video playback: OTP (Opposite Track Path )
• Areas for OPC
• Lead -Out finalization for compatibility with DVD-ROM
• Writes dummy data in remaining data area
• Middle zone length can be decided by application/PC in order to shorten finalize time

DVD+R DL Disc Format

Features：

• World's first Recordable Double Layer DVD
• Doubles the capacity up to 8.5GB
• 4 Hours of DVD quality video
• 16 Hours of VHS quality video
• Compatible with DVD-ROM and DVD-Video
• Single side: no need to turn the disc
   

Type：

• Standard 120mm (80min./700MB) (92min./800MB)
• Audio 120mm (80min./700MB)