> No, but if you manage to scratch the aluminum foil layer on the backside, the CD instantly becomes useless. Which is/was pretty hard to do on PRESSED CD's as

> No, but if you manage to scratch the aluminum foil layer on the backside, the CD instantly becomes useless. Which is/was pretty hard to do on PRESSED CD's as they were covered with a thick coating, and sometimes quite easy to do on CD-R. > Or when you store cd's in large unboxed stacks, they can stick together, which can also damage the backside. Also, I only ever experienced that on CD-R, never on pressed CDs. And to be fair: If you store all your tapes unwinded on a large spool, they also might see some damage over time ;)