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White Light Interference Solution for Novel 3D NAND VIA Dishing Metrology
Authors: Xiaoye Ding, Sicong Wang, Yi Zhou et al.
Institution:Yangtze Memory Technologies Co, ., Ltd, Wuhan
Keywords:WLI;Dishing;Metrology;3D NAND;Bonding
doi:10.33079/jomm.19020407
Volume 2, Issue 4: 19020407, 2019 | PDF
Research Article
Published: Dec. 25, 2019
Views:2672
Abstract: In traditional 3D NAND design, peripheral circuit accounts for 20-30% of the chip real-estate, which reduces the memory density of flash memory. As 3D NAND technology stacks to 128 layers or higher...