JVC 4x single sided dual layer DVD RW disc : Underscoring its expertise in optical disc technologies, JVC today announced the development of the world’s first 4x speed single-sided, dual layer DVD-RW disc technology. Adding the rewritable feature to a single-sided, dual layer disc was made possible by JVC’s development of a high-sensitive recording film, a new recording method that enhances erasability, and a proprietary precision thin film forming technology. JVC also developed a facing film bonding method that enables mass production of the new discs using conventional manufacturing equipment. The breakthrough was first announced in the spring of 2005 for use in producing 2x speed discs.
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