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Technology Stocks : Eaton (ETN) is definitely not overvalued! -- Ignore unavailable to you. Want to Upgrade?

To: Walter Morton who wrote (48)	10/14/1998 12:16:00 PM
From: TigerPaw	Read Replies (1) \| Respond to of 338

but what is this 300 mm referring to? I looked over the article and so no reference to 300mm. (Sometimes a different article can be moved to the link after you posted). As a wild guess, 300mm is a little more than a U.S. inch and the only wafers of that size would be experimental. The smaller the wafer the more uniform the characteristics for doping, and baking and other processes so sometimes research is done on a small wafer but it would be too expensive for mass production. 300mm is near the maximum size for a whole design of say one of the larger microprocessors. At this size there is a good chance of at least one defect in the finished product. I guess I have to conclude that I have no idea what 300mm is referring to. Perhaps you could cut and paste the relevant paragraph so I could see in context.