Inspecting the edge before use is worthwhile. The reflective layer
should end about 1 mm from the edge.  The seal along the edge of the DVD
shoul be 

I have a DVD-R from a reputable manufacturer with a reflective layer
extending all the way to the edge!  This has begun to corrode in less
than a year!  This problem was recognised in the early days of CD
production but is being repeated with DVD!


-----Original Message-----
From: Association for Recorded Sound Discussion List
[mailto:[log in to unmask]] On Behalf Of Damien Moody
Sent: Thursday, 2 June 2005 11:19 p.m.
To: [log in to unmask]
Subject: Re: [ARSCLIST] Testing DVDs

Would somehow abusing the disk edges be a useful test for durability?

Damien J. Moody
Information Technology Services
Library of Congress