/vr/ - Retro Games

>>7428787
water and oxygen trapped in the glue layer between the plastic and alu foil, leads to oxidization and the glue to break down, this image is of a laserdisc however the same glue and factory presses were used for CD's, a decade later they started lacquering the discs when this problem was noticed, however it only mitigated it.

This is why libraries and museums hold their data collections on M-disc, specifically designed to last, and not on retail discs specifically made for low cost.

>>7417182

>>7343704
call a museum

>>7338940
no they are not, the same glues to bond the metalic foils backing were used on all optical media, this is the state of laserdiscs, show to you by museums, stating the problem

>>7327027
I can tell you're the same retard from the other thread.

>>7326990
WHY WOULD A MUSEUM LIE TO YOU.