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MASSIVE STORAGE DEVICE BLU_RAY DISC
What is a Blu-ray Disc? Blu-ray is the next-generation digital video disc. It can record, store and play back high-definition video and digital audio, as well as computer data.  This allows for the next big application of optical media: the distribution and recording of High Definition video in the highest possible quality. In fact, no other proposed format can offer the data capacity of Blu-ray Disc, and no other format will allow for the same high video quality and interactive features to create the ultimate user experience.
The Name  ,[object Object]
This new format has arrived with the advent of Blu-ray Disc, the only format that offers a considerable increase in storage capacity with its 25 to 50 GB data capacity.  History of Blu-ray Disc When the CD was introduced in the early 80s, it meant an enormous leap from traditional media. Not only did it offer a significant improvement in audio quality, its primary application, but its 650 MB storage capacity also meant a giant leap in data storage and retrieval.
Blu-Ray Disc and DVD The Blu-ray disc overcomes DVD-reading issues by placing the data  on top of a 1.1-mm-thick   polycarbonate layer . Having the data on top prevents birefringence and therefore prevents readability problems.
 
Just as DVD meant a 5 to 10 times increase in storage capacity compared to CD, Blu-ray Disc will increase DVD capacity by 5 to 10 times. This is due, among other reasons, to the usage of a blue instead of a red laser and improved lens specifications, allowing for a much smaller focus laser beam which enables the recording of much smaller and higher density pits on the disc.
 
The technology utilizes a "blue" (actually blue-violet)  laser diode  operating at a  wavelength  of  405 nm  to read and write data. Conventional DVDs and CDs use red and infrared lasers at 650 nm and 780 nm respectively.  Technology
 
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The Blu-ray Disc format is designed to stay relevant for at least10 to 15 years. It's high storage capacity of 25 to 50 GB allows for the best possible High Definition video quality and satisfies even the most demanding data storage needs.  Lifespan
Blu-ray Disc provides some of the strongest copy protection schemes ever developed for any consumer format. It makes Blu-ray Disc the best choice for any content publisher wanting assurance that their valuable assets are protected from piracy.  Content Protection
At comparable volumes, Blu-ray Disc production costs are within 10% of DVD production costs, although a Blu-ray Disc offers 5 to 10 times the capacity. It is by far the cheapest format measured in cost per GB.  Cost
As the result of recent breakthroughs in the development of hard coating for Blu-ray Disc, the discs offer much stronger resistance to scratches and fingerprints than other existing and proposed formats. Hard coated Blu-ray Discs do not require a cartridge and can be used as a bare disc, similar to DVD and CD.  Robustness of Disc
Conclusion   ,[object Object],Basic menus and navigation can be identical. However, it also offers many new functions that will benefit both the author (by offering flexible ways of creating disc content), as well as end users (by offering exiting new functionality compared to DVD-Video).
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blue ray disc

  • 1. MASSIVE STORAGE DEVICE BLU_RAY DISC
  • 2. What is a Blu-ray Disc? Blu-ray is the next-generation digital video disc. It can record, store and play back high-definition video and digital audio, as well as computer data. This allows for the next big application of optical media: the distribution and recording of High Definition video in the highest possible quality. In fact, no other proposed format can offer the data capacity of Blu-ray Disc, and no other format will allow for the same high video quality and interactive features to create the ultimate user experience.
  • 3.
  • 4. This new format has arrived with the advent of Blu-ray Disc, the only format that offers a considerable increase in storage capacity with its 25 to 50 GB data capacity. History of Blu-ray Disc When the CD was introduced in the early 80s, it meant an enormous leap from traditional media. Not only did it offer a significant improvement in audio quality, its primary application, but its 650 MB storage capacity also meant a giant leap in data storage and retrieval.
  • 5. Blu-Ray Disc and DVD The Blu-ray disc overcomes DVD-reading issues by placing the data on top of a 1.1-mm-thick polycarbonate layer . Having the data on top prevents birefringence and therefore prevents readability problems.
  • 6.  
  • 7. Just as DVD meant a 5 to 10 times increase in storage capacity compared to CD, Blu-ray Disc will increase DVD capacity by 5 to 10 times. This is due, among other reasons, to the usage of a blue instead of a red laser and improved lens specifications, allowing for a much smaller focus laser beam which enables the recording of much smaller and higher density pits on the disc.
  • 8.  
  • 9. The technology utilizes a "blue" (actually blue-violet) laser diode operating at a wavelength of 405 nm to read and write data. Conventional DVDs and CDs use red and infrared lasers at 650 nm and 780 nm respectively. Technology
  • 10.  
  • 11.
  • 12. The Blu-ray Disc format is designed to stay relevant for at least10 to 15 years. It's high storage capacity of 25 to 50 GB allows for the best possible High Definition video quality and satisfies even the most demanding data storage needs. Lifespan
  • 13. Blu-ray Disc provides some of the strongest copy protection schemes ever developed for any consumer format. It makes Blu-ray Disc the best choice for any content publisher wanting assurance that their valuable assets are protected from piracy. Content Protection
  • 14. At comparable volumes, Blu-ray Disc production costs are within 10% of DVD production costs, although a Blu-ray Disc offers 5 to 10 times the capacity. It is by far the cheapest format measured in cost per GB. Cost
  • 15. As the result of recent breakthroughs in the development of hard coating for Blu-ray Disc, the discs offer much stronger resistance to scratches and fingerprints than other existing and proposed formats. Hard coated Blu-ray Discs do not require a cartridge and can be used as a bare disc, similar to DVD and CD. Robustness of Disc
  • 16.