The application of e beam inspection on 3D NAND flash
2012
Various three-dimensional (3D) multilayer stacks NAND flash architectures are developed by several companies, the defect performance monitoring under such complicated architectures has become a new challenge in 3D NAND flash. The aim of this paper is to illustrate e beam inspection system can monitor the tiny, invisible defects and electrical defects that can not be recognized by optical systems.
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