On Tue, 17 Apr 2001 16:05:44 +0100, "Phil Durden" wrote:
>I thought CDs were usually described as being 5-inch diameter?
I certainly hope not, Phil!
>I have a CD-R (the actual disc), and inside the case is a list of Features
>(e.g. 650MB capacity, etc.) and also "120mm outer diameter, 15mm inner
>diameter" and "1.2mm thickness".
>In addition, it says "1.5m/sec linear velocity" and to cap it all off,
>"Operates in +5�C to +55�C".
>
>Excellent stuff!
>
>Regards,
>
>Phil D
That is correct; the CD(ROM/RW) etc. was designed as 120 mm.
Occasionally you do see it described as 5", including on a leaflet
sent to me by WH Smith some time ago. I never did get round to writing
to complain. - Chris
