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What is a Blu-ray disc?
A Blu-Ray disc, also know as a BD Disc, is the next generation of recordable optical storage media used for displaying High Definition Video, 7.1 theater surround sound, and up to 50GB of storage capacity. The dimensions of a Blu-Ray disc are the same as a traditional CD or DVD: 12cm in diameter and 1.2mm in thickness. However, the speed, capacity, and versatility of Blu-ray far surpasses that of its predecessors. The massive storage capacity of a Blu-ray Disc is possible because it utilizes a track pitch of just 0.32 microns. This is less than half the track pitch of a DVD and the diameter of the laser spot is approximately 80 percent smaller. Blu-Ray burners use a combination of a blue laser, which has a short 405nm wavelength, and an advanced object lens with a large 0.85 numerical aperture to utilize Blu-ray Disc's high density storage capacities. How do I choose a recordable Blu-Ray Disc?The Blu-Ray format currently has several options for recordable blank BD discs. Blu Ray discs vary by their re-write capabilities and the number of recording layers contained within the disc. The current Blu-Ray disc options are as follows:
Other options for recordable Blu-Ray Discs include recording speed (2x, 4x, 6x) and printable surfaces options. Some Blu-Ray Disc manufactures currently offer discs with white inkjet, white Everest, and silver thermal printable surfaces. TDK Corp. is currently developing quad-layer BD-R discs with a 100GB capacity and 6x burning speed. Browse our Blu-ray Disc products. |
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