Solution to improve DVD graphics. Who & When. February 2002, the 9 Electro companies and leading scientists Established the blu -ray disc founders: Matsushita, Akita Singles Pioneer, Bruce Shear Phillips, Rudy Provoost Thomson, Tom Glocer LG Electronics, Yong Nam
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February 2002, the 9 Electro companies and leading scientists
Established the blu-ray disc founders:
Matsushita, Akita Singles
Pioneer, Bruce Shear
Phillips, Rudy Provoost
Thomson, Tom Glocer
LG Electronics, Yong Nam
Hitachi, Jack Domme
Sharp, Hiroshi Sasaoka
Samsung, Harold Hughes
Sony, Sir Howard Stringer
Later in 2004 the Blu-ray disc association was formed
which today has over 250 members.
How a Blu-Ray works: Composition of a Blu-Ray DVD versus a normal DVDBlu-Ray DVD has data stored in the top layer of polycarbonate.Normal DVD has data stored between the 2 layers of polycarbonate
Polycarbonate is a type of plastic made from carbon, hydrogen, and oxygen.
Polycarbonate is used in drinking bottles, computers, and MP3 players as well.
DVD’s store video and audio information in pits -- spiral grooves that run from the center of the disc to its edges.
A laser reads the other side of these pits -- the bumps
The smaller and closer the pits the more information can be stored on a DVD.
The smaller pits require a more focused laser.
The Blu Ray laser has a shorter wavelength so the smaller pits can be read easier.
blu-ray discs are solving the problem of clearer graphics!!!
To play a Blu ray DVD you need a DVD player with a special blue violet laser which emits light at a wavelength of between 360 and 480 nanometers.
The red laser in a normal DVD player has a wavelength 650 nm and is too large to read the smaller pits on a Blu ray DVD.
Total: 660 $
Total: 130 $
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