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What is 'Blu-ray Disc'?

Tokyo Japan, Feb. 19, 2002: Nine leading companies* today announced that they have jointly established the basic specifications for a next generation large capacity optical disc video recording format called "Blu-ray Disc". The Blu-ray Disc enables the recording, rewriting and play back of up to 25 gigabytes (GB) of data on a single sided single layer 12cm CD/DVD size disc using a 405nm blue-violet laser.

Blu-ray Disc* Hitachi, Ltd. , LG Electronics Inc. , Matsushita Electric Industrial Co., Ltd. , Pioneer Corporation , Royal Philips Electronics , Samsung Electronics Co., Ltd. , Sharp Corporation , Sony Corporation , Thomson Multimedia

Supporting Companies
 

The Blu-ray Disc Association has member companies from the consumer electronics (CE), information technology (IT), media and software industries. Following companies are Board of Directors of the Blu-ray Disc Association.

 
  Board of Directors
 
  • Apple
  • Dell
  • HP
  • Hitachi
  • LG
  • Mitsubishi Electric
  • Panasonic
  • Pioneer
  • Philips
  • Samsung
  • Sharp
  • Sony
  • Sun Microsystems
  • TDK
  • Thomson
  • Twentieth Century Fox
  • Walt Disney
  • Warner Bros.
For details, click here

| What is “Blu-ray Disc”? | Application | Outline of Blu-ray Technology | Format Comparison |
| Recording/Playback Mechanism and Recording Materials |
| Recording/Playback Mechanism(-R) “Laminar Phase Separation” |
| Recording Mechanism (-RE) “Phase-change material” | Playback Mechanism (-RE) “Phase-change material” |

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