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To: BillyG who wrote (26855)	12/18/1997 8:21:00 AM
From: BillyG	Read Replies (1) \| Respond to of 50808

6Gb magneto-optical disc specification..................... japanbiztech.com Group Sets Specs for Large-Capacity MO Disk December 18, 1997 (TOKYO) -- The advanced storage technical conference (ASTC) group organized by 15 companies in the United States, Europe and Japan set a final specification proposal (Version 0.9) for the AS-MO magneto-optical disk with a storage capacity of 6Gb on a single disk with a 12-cm. diameter. Although distribution of the specification proposal had been expected to start around October 1997, it will instead start from January 1998 because of continuing discussions about the track format and other items. The track format does not employ the usual wobble format that uses the entire track. It has adopted a new method. No wobbles are to be embedded in the region that records data, and a method addressing information is embedded in the header section of the sector using wobbles. Crosstalk to the magneto-optical signals caused by the wobbles reportedly can be prevented. However, usable storage capacity will decrease as it is no longer possible to record data in the header section. As for the clock signal, a method called fine clock mark will be used. Related story: Next Gen 6GB MO Disk Format to be Set Soon (Nikkei Electronics)