On Sunday 22 October 2006 19:39, Dotan Cohen wrote: > On 22/10/06, Anne Wilson <cannewilson@xxxxxxxxxxxxx> wrote: > > For years I have applied paper labels to CDs, using an aligning tool, and > > never had a problem. Around the time I got my first DVD burner I read > > that, because DVDs have a denser ring population, they are less tolerant, > > and one should not apply labels, but use only a pen. > > > > ISTR that a couple of months ago someone on this list remarked that this > > is nonsense. Does anyone care to share their experiences with me? > > Thanks > > That information is backwards. In regular 650MB-700MB CD's, the > recorded layer is very near the label side (not laser side) of the > disk. Therefore, scratches on the label side are more dangerous to the > data than scratches on the laser side. DVD's, on the other hand, have > the recorded layer exactly in the middle, so is is protected from both > sides. > > However, you should not apply paper labels to a disk because it will > upset the disk's balance. This might not be a problem n an audio disk > that is spun at 1x speed maximum. However, a data disk that is spun at > x52 speed is very sensitive to balance. Also, the paper could intefere > with the tight tolerances of CD players, notably those found in cars. > > Always use a FELT TIP marker to mark CDs. A regular ball point will > very likely scratch the label side of a CD, thereby damaging the > recorded layer. > Hmm - I have paper-labelled CDs full of photos for years, and never had a balance problem. I do think, though, that a proper mounting/aligning tool is necessary to avoid this. Thanks for sharing your thoughts Anne
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