Thanks everyone but I've found my answer.
Regarding pinholes:
Pinholes are caused by contaminates (dust particles usually) on the surface during metallization during manufacturing prior to sealing the edges. The metallization layer does not adhere at that given spot. Hence the appearance of a pinhole. However, despite appearing to be clear at that spot, there is still a lot of material around the pinhole that reflects the laser, combined with the error correction robustness, that 99+% of the time has no effect on sound or data reading.
Pinholes are sealed in at manufacturing and do not or cannot grow. Nothing to worry about. It either plays from new or doesn't.
You can see through, but they are just holes in the metal layer, not real holes.
Excerpt from this forum...
http://forums.stevehoffman.tv/threads/what-exactly-causes-pinholes-on-cds.637893/
Only two CDs wouldn't play probably due to pitting on the silver center ring (it sounded like the disk was spinning w/o reading).
Regarding pinholes:
Pinholes are caused by contaminates (dust particles usually) on the surface during metallization during manufacturing prior to sealing the edges. The metallization layer does not adhere at that given spot. Hence the appearance of a pinhole. However, despite appearing to be clear at that spot, there is still a lot of material around the pinhole that reflects the laser, combined with the error correction robustness, that 99+% of the time has no effect on sound or data reading.
Pinholes are sealed in at manufacturing and do not or cannot grow. Nothing to worry about. It either plays from new or doesn't.
You can see through, but they are just holes in the metal layer, not real holes.
Excerpt from this forum...
http://forums.stevehoffman.tv/threads/what-exactly-causes-pinholes-on-cds.637893/
Only two CDs wouldn't play probably due to pitting on the silver center ring (it sounded like the disk was spinning w/o reading).

