par franz99 » 03 Juil 2006 17:05
Exciting news today as Plextor has announced their first Blu-ray drive, the PX-B900A. This drive will become available in September/October of 2006 and is also able to to write DVD-R, DVD+R, DVD-RAM, CD-R and CD-RW
par franz99 » 04 Juil 2006 9:45
par franz99 » 07 Juil 2006 17:54
par franz99 » 08 Juil 2006 8:26
agent009 a écrit:"The Plextor PX-B900A will be available from September/October 2006 at Plextor's network of dealers."
Vaporware. They are not launching anything. They will have an allocation of the first generation Panasonic drives with Plextor logo stamped on the plastic bezel, three to four months down the road, when Panasonic will be getting ready to manufacture the second generation of their drives.
No wonder they are rushing to announce this in June. In October, we'll be anticipating 4x BD-R drives.
par franz99 » 08 Juil 2006 8:31
alexnoe a écrit:Considering that the only goal of Blu-Ray as well as HD-DVD is to enforce Digital Restrictions Management, considering how expensive the drives are and that just one BD/HDDVD player combo drive has been announced my Samsung for december 2006 or january 2007,
I wonder how many people will buy BD/HDDVD hardware at all...
par CapJack » 08 Juil 2006 10:19
par Scaramanga » 08 Juil 2006 11:54
par CapJack » 08 Juil 2006 12:04
par slywall » 08 Juil 2006 20:18
par Scaramanga » 09 Juil 2006 9:07
CapJack a écrit:Oui, mais c'est justement ce type de conteu qui sera plus-blindé-que-ça-tu-meurs...
par franz99 » 09 Juil 2006 9:10
par franz99 » 10 Juil 2006 9:30
For the Blu-ray Disc, which utilizes ultra-high density recording to achieve its large capacities, scratches or dirt on the disc surface can cause data errors. To ensure reliable performance, the Blu-ray Disc was first introduced to the Japanese market in a protective cartridge. The BD-R and BD-RE Blu-ray Discs that TDK is now launching utilize DURABIS 2, the company’s exclusive hard coating technology. DURABIS 2 gives the recording surface extremely high resistance to scratches, fingerprint smudges and other dirt, thus eliminating the need for a protective cartridge.
TDK’s proprietary high-precision Spin Coating manufacturing process is utilized to form each Blu-ray Disc’s cover layer, which resides atop the recording layer. Because Spin Coating creates a cover layer with nano-uniform smoothness, exceptionally stable recording and playback characteristics are realized.
The write-once type BD-R discs incorporate inorganic recording material, which is entirely different from the organic dye used in previous write-once discs.
Because the recording layer is not affected by light, the discs are exceptionally suitable for long-term archiving.
The rewritable type BD-RE discs utilize a high-sensitivity phase-change recording material that displays stability and a low error rate, even after 10,000 overwrites.
The new dye used for the discs is the result of a joint development project by Hayashibara Biochemical Laboratories, a key manufacturer of dyes for DVD-Recordable discs, Mitsubishi Kagaku Media/Verbatim and Toshiba Corporation. Development of the new dye by Hayashibara, Mitsubishi Kagaku Media/Verbatim and Toshiba is a breakthrough for HD DVD-R. Standard DVD-Recordable discs use a photosensitive organic dye as the data storage medium in their recording layer.
In the transition to HD DVD, manufacturers had to meet the challenge of developing a dye for HD DVD-R discs that could be used with the narrow wavelength of a blue laser and offered sufficient readout stability.
The organic dye is highly sensitive to blue laser light, has the uncompromised readout stability essential for practical use, and the solubility in organic solvent required for easy production of the dye recording layer by a spin-coating process.
As the HD DVD-R disc is based on the same disc structure as DVD discs, back-to-back bonding of two 0.6 millimeter-thick substrates, already installed DVD-Recordable manufacturing lines can utilize the new dye in efficient production of HD DVD-R
par franz99 » 10 Juil 2006 9:32
The recordable layer of a Recordable Blu-ray Disc, employs either organic or inorganic materials.
For a single-layer Recordable Blu-ray Disc, the thickness from the disc surface to the recording layer is 100 µm.
For example,
Fuji Photo Film Co. Ltd. has successfully demonstrated BD-R that can be readily put into commercial production using organic materials.
Furthermore, TDK has realized BD-R discs using inorganic materials (a Cu alloy layer and a Si layer). In addition to the type of inorganic materials used by TDK, it is also possible to use write-once phase change materials.
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