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To: tcmay who wrote (71463)	2/12/2002 12:37:59 AM
From: Joe NYC	Respond to of 275872

Tim, Good post. Joe

To: tcmay who wrote (71463)	2/12/2002 9:10:25 AM
From: Bill Jackson	Respond to of 275872

Tim, Yes, I see that the extra stage of multistate just adds a parallel track that continues the trend at a higher density. Of course each added state gives one more denser parallel track and as we go 1-2-3-4-5-6-n state we get density increments of reflecting the ratio increase in cells possible. Of course this too has limits due to dimensions and gradients it will also fizzle out, well before 6 I expect due to the noise factors you mentioned. In the same manner we will run out of room at smaller feature sizes due to leakage and variances in walls and cells making them unmakeable at reasonable yields. Once we reach these limits that will be the end of this road. It certainly looks like 4-6 years and we will be there.?? Of course if we make it to 4 states that will buy another 2-3 years of going down the Moore highway, however if we get the problems you anticcipate at smaller features it will totally stop the multilevel since we will be as small as we can be at 1 level and if we split it it will fail. So we can have one and not the other. Bill