http://www.jvc-victor.co.jp/media/info_dvd-rw_dl.html
http://pc.watch.impress.co.jp/docs/2008/0310/victor.htm
Now, we have the next-generation optical disc is expected to be the fastest growing market in recent years judging from the situation, "standard DVD-RW for DL Ver.2.0" compliant products (so-called "two-layer single-sided DVD-RW discs") products To freeze it and to remind you that you can.
The current "DVD-RW standards" to comply with the "one sided recording layer" or "double-sided recording layer 1" disk products on the street so far the development, production, sale actively engaged in the future.