In 1999, CMC signed an agreement with Pioneer under which CMC is introducing re-writable media adhering to the DVD-R format, initially in 3.95GB format, (see DVD-R 3.95GB specifications) followed in January 2002 by DVD-R 4.7GB General Purpose format.

As of December 2001 DVD-R 4.7 General Purpose are in stock.

DVD-R 3.95GB Specification
Outer Diameter		120 mm
Inner Diameter		24 mm
Thickness		0.6mm x 2
Capacity		3.95 GB
Wavelength
	Recording	635 nm
	Playback	650/635 nm
Sector Size		2048 Bytes
Recording Material		Dye
Track Format		Single Wobble & Land Pre-Pit Format
Track Pitch		0.8
Reference Scanning Velocity(m/sec)		3.84
Reflectivity		45~85%
Tracking Method
	Recording	Push-Pull
	Playback	DPD