TDK Begins Shipping Its Highly Anticipated Blu-ray Disc 25GB Recordable And Rewritable Media; Exclusive Material Formulations a
10 Aprile 2006 - 1:00PM
Business Wire
TDK, a world leader in digital recording solutions, today announced
that it has begun shipping 25GB recordable and rewritable Blu-ray
Disc media to retailers nationwide. A pioneer of blue laser
recording technology and founding member of the Blu-ray Disc
Association, TDK is the first to market with bare Blu-ray Disc
media. Retail pricing is set at $19.99 for a 25GB BD-R
(recordable), $24.99 for a 25GB BD-RE (rewritable). In addition,
TDK will ship 50GB Blu-ray Disc media later this year with retail
pricing set at $47.99 for a 50GB BD-R (recordable) and $59.99 for a
50GB BD-RE (rewritable). The revolutionary single-sided discs are
bare, cartridge-free media. The 25GB products are single layer
whereas the 50GB products have a dual layer recording material
structure. TDK first shipped mass production samples in December
2005, and with the subsequent issuance of the relevant license, the
company immediately commenced full force manufacturing. "TDK is
pleased to be the first to market with bare Blu-ray Disc media,
which can be counted among the most significant product
introductions in the company's distinguished 70 year history,"
noted Bruce Youmans, TDK Vice President of Marketing. "TDK has been
involved in the development of blue laser recording technology
since 1998, and TDK innovations such as hard coating and our
inorganic dye formulation have played an essential role in making
this revolutionary new format a reality. From backing up today's
large capacity hard drives and servers to authoring and recording
high definition video and sharing high resolution digital image
collections, TDK Blu-ray Discs set new standards in recording and
playback by offering unprecedented capacities, fast transfer rates
and revolutionary durability." Making Blu-ray Discs a Reality TDK
Blu-ray Discs are manufactured to the highest quality standards at
the company's Chikumagawa Techno Factory in Japan. Outfitted with
state of the art technology, the Chikumagawa factory is poised to
lead the charge on optical media development well into the future.
TDK heavily committed its worldwide engineering resources to
Blu-ray, and has created new formulations and manufacturing
techniques that constitute revolutionary milestones in recording
technology. The high-sensitivity inorganic recording material
utilized by TDK for the write-once type BD-R is completely
different than the recording materials used for CD or DVD. TDK
Blu-ray Discs' inorganic material is impervious to light, making
the discs exceptionally well suited for archiving data. Composed of
copper and silicon, TDK's exclusive CuSi recording material
delivers remarkable, long-lasting performance. The recording
material enables fast recording and playback speeds and also makes
it possible to realize massive capacities through multi-layering.
For TDK's rewritable BD-RE Blu-ray Disc media, a specially designed
high-sensitivity phase change recording material is utilized. The
material is so stable that a TDK Blu-ray Disc shows virtually no
performance degradation even after it has been overwritten 10,000
times. The 25GB and 50GB BD-R and BD-RE discs offer 2x (72Mbps)
rated recording speed. Based on simulated acceleration tests, TDK's
archival life expectancy rating for Blu-ray Disc media is more than
50 years. Blu-ray Discs were originally released in Japan in April
of 2003 with a protective cartridge. The cartridge was necessary in
order to protect the recording material, which is manufactured
close to the Blu-ray Disc's surface in order to realize the disc's
high density recording capabilities. TDK pioneered hard coating
technology, eliminating the need for cumbersome cartridges. Every
TDK Blu-ray Disc includes DURABIS, the world's most advanced and
most protective hard coating formulation. DURABIS increases the
scratch resistance of Blu-ray Disc media by a factor of 100, as
demonstrated in rigorous testing. DURABIS also resists fingerprints
to help eliminate errors caused by disc surface smudges. Because
the DURABIS coating technology rapidly discharges static
electricity, the discs also resist the accumulation of dust, a
potential source of recording and playback errors. TDK Blu-ray
Discs provide absolute reliability for perfect recording and
playback every time. A 0.1 millimeter thick cover layer comprises
the Blu-ray Disc's outermost internal surface, and the recording
material resides beneath it. During recording, the laser passes
through the cover layer in its path to the recording layer.
Absolute uniformity in the thickness of the cover layer is critical
to ensuring precise laser tracking, which is required for reliable
performance. To achieve total uniformity in the cover layer's
thickness, TDK developed an exclusive Spin Coating manufacturing
process. With TDK Spin Coating, the cover layer is spun onto the
disc at a high rate of speed, ensuring even dispersal of the
material. High precision stacking technology further ensures
reliability by consistently overlaying disc layers with the utmost
precision. TDK's Blu-ray Disc roadmap extends the format's
capabilities even further, proving that Blu-ray is truly
future-ready. TDK technologies have already enabled creating 100GB,
quad-layer Blu-ray Disc prototypes and blazing 216Mbps (6x) speed.
The company is in the process of developing the world's first 200GB
Blu-ray Disc prototype. TDK Blu-ray Disc Media: Unparalleled
Storage Capacity for Professional Applications In business and
commercial environments where a high volume of discs are recorded,
reliable media is of the utmost importance. That is why TDK is
offering its line of recordable 25GB Blu-ray Disc media in 50-piece
spindle packaging that delivers unparalleled reliability to
business and commercial customers who require bulk configurations.
TDK's Blu-ray Disc media not only meets the needs of replicators
and high volume business users, it also offers unprecedented
durability for authoring and library applications. TDK 25GB Blu-ray
Disc media will be available in 50-piece spindles in the second
quarter 2006. -0- *T Specifications -------------- Item Unit BD-R25
BD-R50 BD-RE25 BD-RE50 ----------------------- ----- ----------
-------- ---------- -------- Type - Write-once Rewritable
----------------------- ----- -------------------
------------------- Recording capacity 25 50 25 50 GB (single-
(dual- (single- (dual- layer) layer) layer) layer)
----------------------- ----- ---------- -------- ----------
-------- Recording wavelength nm 405 (blue-violet laser)
----------------------- -----
--------------------------------------- Disc diameter mm 120
----------------------- -----
--------------------------------------- Disc thickness mm 1.2
----------------------- -----
--------------------------------------- Cover layer thickness mm
0.1 ----------------------- -----
--------------------------------------- Track pitch um 0.32 (group
recording) ----------------------- -----
--------------------------------------- Data transfer rate Mbps
361X / 722X) ----------------------- -----
--------------------------------------- Reflectance 12tilde24
4tilde8 12tilde24 4tilde8 ----------------------- ----- ----------
-------- ---------- -------- Linear velocity m/s 4.91X / 9.82X
----------------------- -----
--------------------------------------- *T * Dimensional
specifications are nominal. About TDK TDK Corporation (NYSE: TDK)
is a leading global electronics company based in Japan. It was
established in 1935 to commercialize "ferrite," a key material in
electronics and magnetics. The company today is a leader in the
development of next-generation technologies such as Blu-ray Disc
recording media, an optical disc ideally suited for high-definition
video recording. TDK offers a full line of recordable DVD and CD
media, digital camcorder tapes, professional data storage solutions
including LTO Ultrium media, and much more. TDK logo is a trademark
or registered trademark of TDK Corporation. DURABIS is a registered
trademark of TDK Corporation.
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