Technologies for DVD - Computer Hardware Forum

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11-28-2007, 09:51 AM

comp123

Junior Member

Join Date: Nov 2007

Posts: 5

Technologies for DVD

Hello

DVD uses 650nm wavelength laser diode light as opposed to 780 nm for CD. Because of this a small spot is seen on the media surface that is 1.32 µm for DVD. The writing speed for DVD is 1350 kb/s.

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