Technology Blue Ray use blue lasers with wavelength 405 nm, while the CD and DVD using a red laser with wavelength 780 nm for CD and DVD to 635-650 nm.
Blue Ray uses 1 to 2 layers each chip, which each layer able to accommodate 25 GB of data, so that the maximum capacity is 50 GB. On the CD has only one layer that is only able to save 650-700 MB of data, while DVD has 2 layers.
Technology release of the Blue-ray Vaio notebook is expected to push up the popularity of Sony Vaio.
Sony notebook incentive to develop Blue-ray is to push up the popularity of video high-definition Blu-ray. Sony is the main supporting Blue-ray format, which at the beginning of this year won the video format battle against high-definition HD DVD, supported Toshiba Corp.
Sony also compete bitterly with Toshiba notebook market in the upper class. In the market, Sony is known as a producer of notebook-notebook styles and renowned Toshiba products respite.
Vaio notebook is built optical Blue-ray, the Vaio NS and CS Vaio and forecasting, according to Sony will release a third series.
