Tuesday, December 01, 2015
Submit your own News for
inclusion in our Site.
Click here...
Breaking News
WD, Samsung Lead The HDD And SSD Markets
4K Copy Protection Probably Cracked
AMD To Correct GPU Fan Control Issues With New Crimson Drivers
Google Outlines The Gifts We're Searching For This Holiday
Microsoft Launches New Office 365 Enterprise Capabilities, Dynamics CRM 2016 and Introduces PowerApps
BlackBerry is Exiting Asian Country Following Government Pressure
TDK To Buy Semiconductor Factory From Renesas Electronics
Swatch Parners With Visa On Pay-by-the wrist Payments
Active Discussions
How to back up a PS2 DL game
Copy a protected DVD?
roxio issues with xp pro
How to burn a backup copy of The Frozen Throne
Help make DVDInfoPro better with dvdinfomantis!!!
Copied dvd's say blank in computer only
menu making
Optiarc AD-7260S review
 Home > News > Optical Storage > Toshiba...
Last 7 Days News : SU MO TU WE TH FR SA All News

Thursday, May 15, 2003
Toshiba's new Dual-layer, single-sided, Blue-Laser Rewritable Optical Disk needs only current production facilities

Tokyo-Toshiba Corporation today announced that it has developed a working prototype of a high capacity dual-layer, single-sided, blue-laser rewritable optical disk. The new disk enjoys key advantages in that it can easily be brought to mass production with only minimal adjustments to current DVD production facilities, and that its current capacity can be increased significantly. The new disk is also expected to promote lower production costs for next generation optical disks, while offering simple implementation of backward compatibility with today's generation of DVD formats.

Details of the new disk and its technology will be presented at Optical Data Storage 2003, to be held from May 11 to 14 at the Hyatt Regency of Vancouver, BC Canada.

The market is starting to move toward next generation DVD format compatible with high definition TVs and the ever-increasing capacity of broadband networks. The DVD Forum, the 215-company strong international association of hardware manufacturers and content providers, is taking the lead in defining such formats.

In August 2002, Toshiba and NEC jointly proposed to the Forum a format for a next generation high-definition system based on a high-capacity, blue-laser DVD. This is now under discussion. That format covers a 15GB single-layer, single-sided read-only disk, a 30GB dual-layer, single-sided, read-only disk, and a 20GB single-layer, single-sided read-and-write disk. These capacities significantly improve on the 8.5GB capacity of current dual-layer, single-sided read-only DVD disks and 4.7GB single-layer, single- sided read-and-write DVD disks.

The proposed format utilizes a short wavelength blue laser and the same disk structure used in current DVDs-back-to-back bonding of two 0.6mm thick, 120mm disks. This approach not only supports continued use of today's DVD disk manufacturing equipment, it also delivers higher production yields than alternative disk structures based on stacked disks. Toshiba-NEC format also employs an objective lens with a numerical aperture of 0.65, very close to that of current DVD.

Since proposing the format, Toshiba has continued development work and has now achieved and demonstrated the practicality of a high capacity 36GB dual-layer, single-sided read-and-write disk that can be applied to both consumer electronic and computer applications.

Toshiba's new high-capacity dual layer disk employs Germanium-Tellurium-rich Germanium-Antimony-Tellurium-Bismuth (GeSbTeBi) alloy recording layers that support improved signal processing and erasability. The disk's dual-layer structure has a high level of manufacturability and a capacity that can be pushed to higher levels.

In summing up the advantages of the new disk, Toshiba noted pluses in the manufacturing process from maximizing similarities with current DVD. The working prototype allows use of the same manufacturing infrastructure as current DVD, supporting manufacturers' by limiting the need for new investments, while also minimizing disk production costs and delivering high yields. The new disk also assures backward compatibility with current CDs and DVDs, and supports fabrication of disks that do not need a cartridge-an essential feature for slim drives that can be integrated into portable equipment.

Toshiba will present the disk technology at Optical Data Storage 2003 at 9:45 on May 13. The company will propose the dual-layer format to the DVD Forum in the latter half of this year.

SARS to influence the CD media demand        All News        SARS to influence the CD media demand
SARS to influence the CD media demand     Optical Storage News      SARS to influence the CD media demand

Get RSS feed Easy Print E-Mail this Message

Related News
Toshiba Takes Former Executives To Court
Toshiba To Sell Image Sensor Business to Sony
Toshiba and SanDisk Start Equipment Installation at Yokkaichi’s New Fab 2
Toshiba Unveils New Enterprise Performance HDD
Toshiba Introduces Windows 10 dynaPad Tablet, dynabook Notebooks
Toshiba's Image Sensor for Iris Recognition Improves Recognition And Security
Toshiba's Satellite Click 10 Detachable 2-in-1 PC Now Available
Toshiba Reports Q1 Loss on Weak PC, TV Sales
Toshiba Reports Significant Loss Following Accounting Scandal
Toshiba's New PCs Combine Functionality, Mobility and Performance
Toshiba At IFA 2015
Toshiba Launches Wireless Power Receiver IC for Quick Charging Mobile Devices

Most Popular News
Home | News | All News | Reviews | Articles | Guides | Download | Expert Area | Forum | Site Info
Site best viewed at 1024x768+ - CDRINFO.COM 1998-2015 - All rights reserved -
Privacy policy - Contact Us .