100GB Blu-ray disks that make the current generation look decidedly anaemic will be on the market within about two years if a breakthrough from Sanyo gains acceptance.
The Japanese firm has come up with a more powerful blue laser diode that can burn through BDs far enough to accurately write four 25GB layers per disk.
Current Blu-ray disks top out at two layers and a maximum of 50GB for storing video and data.
Best of all, the new 450mW laser is fast as well - it can burn disks at 12x, which means it would take just 10 minutes to fill an entire 100GB BD. That's twice the burning speed of the best BD drives today.
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As for the timescale, Toshiba says it can start mass production whenever hardware makers are ready to use it in their Blu-ray decks, which could be as soon as two years from now.