What is wrong with 3D NAND?

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This video tutorial discusses issues with 3D NAND, such as WL staircase, big cell size, limitation of vertical scaling, inefficient product architecture, ROI from fab investment, and high ‘Cost-per-Bit’. As an ultimate low cost solution, 3D Super-NAND has been discussed.
  1. BeSang Inc
  2. 3D Super-NAND
  3. 3D NAND
  4. NAND
  5. SSD
  6. Cost-per-Bit
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Комментарии
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Thank you, Mr. Lee. This presentation is an eye-opener to the issues with 3d NAND production and cost. I learned much.

tobitobey
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So, is there still something wrong this year versus 4 years ago?

jflgaray
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so 3dnand is more reliable? I expected it to be less reliable like QLC vs SLC. I thought 3dNand only increased the amount of storage on a single chip like QLC vs SLC

-GameHacKeR-
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its 4 years later -- please show TEM of product :)

CyrusTabery
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So, it's manufacturer adoption of the 3D Super NAND design a reality at the end of 2017?

It all looks very impressive on paper.

SaccoBelmonte
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adoption rate is only for 3D NAND, but all new technologies...once hype is over, money and efficiency talk

peterkersting
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I'll take 2TB please (or 2x2TB if it's really 100$). Now somebody just needs to make it as a drive.

onboard
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The thing wrong with it is the more layers it has the less you can write to it

charleshines