Sunday, April 22, 2018
Search
  
Submit your own News for
inclusion in our Site.
Click here...
Breaking News
Samsung QLED TVs Receive '100 Percent Color Volume' Certification
GSMA Delays eSIM Technology as U.S. DoJ of U.S. Probes Coordination With AT&T and Verizon
Apple to Replace Some MacBook Pro Laptop Batteries
ZTE's Nubia Red Gaming Phone Released
LG Display's OLED Smartphone Screens Still Not Ready For Apple
Nintendo Labo Kits Now Available
June's VLSI Symposium Focuses on Next Generation Transistor Technology and MRAM
Samsung Not Interested in Nokia's Health Unit
Active Discussions
Which of these DVD media are the best, most durable?
How to back up a PS2 DL game
Copy a protected DVD?
roxio issues with xp pro
Help make DVDInfoPro better with dvdinfomantis!!!
menu making
Optiarc AD-7260S review
cdrw trouble
 Home > News > Optical Storage > Fuji Fi...
Last 7 Days News : SU MO TU WE TH FR SA All News

Monday, October 21, 2002
Fuji Film develops WORM Blu-Ray media!!


Fuji Photo Film Co., Ltd. developed a Blu-ray Disc specification-compliant, write-once read-many (WORM) disc with a blue-violet laser light source.

It features organic dye material as the recording layer, and a spin-coat method can be used to form a layer. A 23.3GB disc already has been manufactured by way of trial, and has been tested on writing and reading at the Blu-ray specification standard speed of 36Mbps, and the double speed of 72Mbps. It says that a 25GB model also has been completed by way of trial.

The company is planning to pursue an aggressive promotion in order to reflect the results this time on the WORM Blu-ray specifications. In addition, according to the company, this technology is also applicable to the next-generation DVD system currently proposed at the DVD Forum by Toshiba Corp. and NEC Corp.

The structure of the 23.3GB sample disc is as follows: from the direction of the laser incidence to the cover layer is 0.1mm; the organic dye layer is a few tens of nanometers; and the disc substrate is 1.1mm. The company refrained from commenting on whether or not there is a protection layer for the organic dye layer.

The main physical specifications are consistent with Blu-ray specification compliant rewritable mediums. Using groove recording, it has a track pitch of 0.32 microns and a minimum recording mark length of 0.16 microns. A glued-on sheet forms a cover layer, and the error in thickness is minimized to between plus and minus 2 microns. Apparently, measures also are being taken to prevent curvature of discs. Whether or not a reflective layer will be adopted is now under examination.

Although the reflectance of the recording layer was not announced, it is said to be higher than the rewritable Blu-ray specifications. The materials for the recording layer were not revealed either. However, as in CD-R and DVD-R, the materials will become cheaper as mass-production progresses. The company plans to start mass production of WORM media in keeping pace with the market growth.


Previous
Next
CenDyne ships first 4X DVD recorder in time for the holidays        All News        CenDyne ships first 4X DVD recorder in time for the holidays
CenDyne ships first 4X DVD recorder in time for the holidays     Optical Storage News      CenDyne ships first 4X DVD recorder in time for the holidays

Get RSS feed Easy Print E-Mail this Message

Related News
DVDFab UHD Creator 4K UHD Authoring Software Released
CES: Blu-ray Disc Association Starts Licensing of 8k/4K Broadcast Recordable Blu-ray Format
CES: Sony Presents New OLED TVs, Audio Products, Robot Car Image Sensors
Panasonic Debuts HDR10+ OLED TVs, Ultra HD Blu-ray Players and New Technics Turntables at CES
New Pioneer BDR-XD07 External Blu-ray Burners Connect Directly to Android Smartphones
LG UP970 Ultra HD Blu-ray Player Supports Dolby Vision High Dynamic Range, Hi-Res Audio, Streaming and Dolby Atmos
One-Blue Launches Licensing Program for Ultra HD Blu-ray Disc Products
Panasonic DMP-UB30 Ultra HD Blu-ray Player Debuts in Japan
AACS 2.0 Could Be Cracked As 4K UHD Blu-Ray Torrent File Appears Online
One-Blue Calls For Ultra HD Blu-ray Patents
Pioneer BDR-211UBK BD Writer With Ultra HD Blu-ray Playback Support Launches In The U.S
Pioneer BDR-XD06J-UHD Is The First Portable UHD BD PC Drive

Most Popular News
 
Home | News | All News | Reviews | Articles | Guides | Download | Expert Area | Forum | Site Info
Site best viewed at 1024x768+ - CDRINFO.COM 1998-2018 - All rights reserved -
Privacy policy - Contact Us .