Macronix International Co., Ltd.

Yu Wei Jiang

Teng Hao Yeh

A semiconductor structure and a manufacturing method are provided. The semiconductor structure includes a substrate, conductive layers, insulating layers, a memory structure including first memory structure clusters and second memory structure clusters, isolation trenches, and common source trenches. The conductive layers and the insulating layers are interlaced and stacked on the substrate. Each first memory structure cluster include first memory structures and each first memory structure cluster include second memory structures. The first and second memory structures penetrate the conductive layers and the insulating layers. Each isolation trench is formed between a first memory structure cluster and a second memory structure cluster. The isolation trenches span horizontally on the substrate in a discontinuous manner separated by gaps. Common source trenches are formed on the substrate that run substantially parallel with the isolation trenches.

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Hsinchu, Taiwan

Yu Wei Jiang