ohh, I forgot 8 cm DVD-R/RW DVD+R/+RW would be awesome, more than 1 GiB on 8 cm, just...perfect! ----- Original Message ----- From: "Metric US" <[EMAIL PROTECTED]> To: "U.S. Metric Association" <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]> Sent: Friday, July 12, 2002 6:19 PM Subject: [USMA:20981] 8 cm CD-R was / Re: 90-mm floppy disks
> The good news is that the new CDs have exactly 12 cm and the miny format is described on the boxes and on the shelves as 8 cm CD-R or RW. The customers seem to have no qualms about understanding this designation. > > I am sure that the new DVD-RW will also come in 8 cm format. > This format is a lot more compact and it fits into a pocket. The curent mini CDs have a capacity of only about 200 MiB which is already a far cry from the 1.4 MiB but if they come in DVD-R format this capacity should increase considerably. > > A. > > ----- Original Message ----- > From: Markus Kuhn <[EMAIL PROTECTED]> > Date: Fri, 12 Jul 2002 12:53:16 +0100 > To: "U.S. Metric Association" <[EMAIL PROTECTED]> > Subject: [USMA:20971] Re: 90-mm floppy disks > > > > Brian J White wrote on 2002-07-12 05:41 UTC: > > > >And it may in fact be the same situation as a floppy disk. Made to 90 mm > > > >width, but called a 3.5. > > > > The 90-mm floppy disk was designed completely in metric by a Japanese > > manufacturer (Sony). It became called the 3.5" floppy only when IBM > > started using it in the US in 1986 with its PS/2 series of personal > > computers. > > > > > It may be...which is why I am asking for some kind of > > > source/proof/documentation. > > > > The foreword of American National Standard X3.171-1989 (section 1.3) > > *explicitely* says this product is a metric design and that the > > millimeter dimensions given in the standard are the authoritative ones > > (and the inch values are only provided to simplify life for US > > manufacturers). > > > > I have a copy of ANSI X3.171 here on my desk, and the outer dimensions > > of the disk are exactly 94.0 x 90.0 x 3.3 mm, and the disk diameter is > > exactly 85.80 mm > > > > Markus > > > > -- > > Markus G. Kuhn, Computer Laboratory, University of Cambridge, UK > > Email: mkuhn at acm.org, WWW: <http://www.cl.cam.ac.uk/~mgk25/> > > > > > > -- > __________________________________________________________ > Sign-up for your own FREE Personalized E-mail at Mail.com > http://www.mail.com/?sr=signup > > Save up to $160 by signing up for NetZero Platinum Internet service. > http://www.netzero.net/?refcd=N2P0602NEP8 >
