From Yahoo! News/AP:

TOKYO - Japan's Toshiba Corp. said Wednesday that it has developed the technology to mass-produce recordable high-definition DVDs.

The advance is the latest step in a heated global race to establish a world standard for the next-generation of optical disks, which are expected to offer sharper images than current DVDs.

Toshiba said the new technology, developed jointly with Mitsubishi Kagaku Media Co. and Hayashibara Biochemical Laboratories Inc., will enable the manufacture of single-recording HD-DVD disks with 15-gigabyte storage capacity.

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