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John W. Verity

Flash News: 3D Memory Chips Headed This Way

John W. Verity
JohnVerity
JohnVerity
1/27/2013 3:51:09 PM
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Re: Little Teeny Tiny memories
Logic circuits are going 3D, too, I read. It takes some doing, no question, but the payoffs should be substantial.

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JohnVerity
JohnVerity
1/16/2013 11:04:47 AM
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Re: Little Teeny Tiny memories
We are getting into the angelsphere, here, as in how many angels can dance on the head of a pin, a famous question for medieval theologians. I believe in memory cells, the limit is purely physical, for as cells shrink, it becomes harder to insulate them, electrically, from each other. There is a tendency for individual electrons to migrate to places they shouldn't go and thus make binary 1s look like 0s, and vice-versa.

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JohnVerity
JohnVerity
1/15/2013 12:27:02 PM
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Re: Little Teeny Tiny memories
The drawings are around, here and there on the Web, though perhaps not with incredible detail. I know that when they "dig" these "trenches" they are using some very sophisticated equipment, not backhoes, anyway! 

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toby
toby
1/14/2013 8:46:10 AM
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Little Teeny Tiny memories
@John: Tb NAND sounds like exactly what is needed for speeding up big databases and it will as you say, provide a huge boost for datacenter managers looking to stretch the performance bang for the buck. Digging a 1Km deep trench 3M wide doesn't sound so hard when you have lasers and the like to do it. I would love to see some of the engineering drawing for these designs though.

 

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JohnVerity
JohnVerity
1/13/2013 9:34:28 PM
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Up, up and away
We can think of chips as like the island of Manhattan, unable to grow (more dense) horizontally to they must grow along the Z axis, straight up. This is bound to happen not only in NAND flash but in logic, as well, I have read. 

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