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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: Process Boy who wrote (87883)	1/18/2000 11:23:00 AM
From: Bill Jackson	Read Replies (2) \| Respond to of 1574727

PB, Yes there are always a few electrons who brave the gradient to take a leak. In the absence of truth speculation abounds. I speculate that when you make a feature like a notch that is .1 at the bottom there will be some that cut to .09 .08 etc as well as a few that are .11 .12 etc. Whatever there will be some process scatter. The thick ones will limit speed and the thin ones will limit voltage by leakage or punchthrough problems. Now if the notch can be made at .1 +/- .00001 this will not be a problem, however I think that +/- .01 is more like it, or even worse....variation across the wafer/die?