I have a CD full of pinholes, going back to 1984, although I bought it when I first purchased the cd player in 1987, The cd is on Philips label. Iuse it even today as a test cd since many players seem to have a problem playing this one, I guess it is a good test of the error correction system.
I remember having read an article long time ago probably in early 90's stating that the ink developed for printing initially would penetrate the polocarbonate layer and eat up the aluminium foil layer so Dupont did a research into ink technology and came up with a new type of ink which would take care of the problem. apparently after 92 or 93 this problem was solved. This does not happen with all the early cd's since I have a few still in my collection from the mid 80's and they are fine.
Anyone else remember this article? Surely it must be in print media and not internet.
I remember having read an article long time ago probably in early 90's stating that the ink developed for printing initially would penetrate the polocarbonate layer and eat up the aluminium foil layer so Dupont did a research into ink technology and came up with a new type of ink which would take care of the problem. apparently after 92 or 93 this problem was solved. This does not happen with all the early cd's since I have a few still in my collection from the mid 80's and they are fine.
Anyone else remember this article? Surely it must be in print media and not internet.