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Author Topic: World's first Dual Layer DVD (Jun 2005)  (Read 142 times)

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Offline chrisNova777

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World's first Dual Layer DVD (Jun 2005)
« on: October 29, 2020, 05:01:37 PM »
https://cdrinfo.com/d7/content/jvc-develops-worlds-first-single-sided-dual-layer-dvd-rw-disc-technology

Quote
Newly Developed High Sensitive Recording Film and a New Writing Method N-Strategy to Enhance Erasability Produce Dual Layer DVD-RW Disc 8.5GB Disc for Up to 11 Hours of Video Recording.

Victor Company of Japan, Ltd. (JVC) is pleased to announce that it has developed the world's first single-sided, dual layer DVD-RW disc technology with a maximum storage capacity of 8.5GB. The breakthrough was made possible by the development of a high sensitive recording film, a new recording method N-Strategy, which enhances erasability, and a proprietary precision thin film forming technology.

The new disc technology delivers 1.8 times the storage capacity of conventional, single-sided, single layer DVD-RW disc with a 4.7GB capacity. Each single-sided, dual layer DVD-RW disc can record up to 11 hours of video without turning over the disc.

JVC has also developed a facing film bonding method that enables mass production of the new discs using conventional manufacturing equipment.

The company's new disc technology adds rewritable features to single-sided, dual layer DVD discs, which until now have been limited to write-once capability. JVC predicts that the technology will enjoy widespread use in applications such as video recorders and optical drives for both mobile and desktop PCs. The company will continue to develop feature enhancements aimed at future commercialization of the technology. JVC will forward a proposal to the DVD Forum in an effort to promote the adoption and advancement of single-sided, dual layer DVD-RW disc technology.