What about scratches on the disc? - Blu-ray Forum

conc2 · 12-05-2005, 02:23 PM

Will the inherent delicate size of the sectors on the disc require that we revert to using scsi holders to protect them from scratches? We all know that scratches on a DVD are so much more ridiculously harmful than on a regular CD. So with this tightening of area, will there be compensations to help avoid problems caused by scratches, such as a better parity scheme? Or will these discs be so delicate as to be ruined by a single scratch? One thing you cant fault regular CDs on, is much greater durability than a DVD. I personally own some that I've used as coasters, or walked on, and they refuse to deminish in performance, or become unreadable, which is rather nice. I'm hoping with all that space there will be better information preservation tecniques used.

Knight-Errant · 12-05-2005, 06:34 PM

Blu-ray will use a special coating which is supposed to be highly scratch resistant. Much more so than the DVDs we are familiar with.

The idea of cartridges or caddys has been ditched in favour of this coating.

12-05-2005, 02:23 PM	#1
conc2 New Member Member since:Dec 2005	What about scratches on the disc? Will the inherent delicate size of the sectors on the disc require that we revert to using scsi holders to protect them from scratches? We all know that scratches on a DVD are so much more ridiculously harmful than on a regular CD. So with this tightening of area, will there be compensations to help avoid problems caused by scratches, such as a better parity scheme? Or will these discs be so delicate as to be ruined by a single scratch? One thing you cant fault regular CDs on, is much greater durability than a DVD. I personally own some that I've used as coasters, or walked on, and they refuse to deminish in performance, or become unreadable, which is rather nice. I'm hoping with all that space there will be better information preservation tecniques used.

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12-05-2005, 06:34 PM	#2
Knight-Errant Power Member Member since:Aug 2005 Location:Sheffield, UK	Blu-ray will use a special coating which is supposed to be highly scratch resistant. Much more so than the DVDs we are familiar with. The idea of cartridges or caddys has been ditched in favour of this coating.

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