| 摘要 |
A semiconductor device and a method for manufacturing the same that reduces a process defect caused by pattern dependency in chemical mechanical polarization (CMP) or etching is excellent. The semiconductor device includes a device pattern formed on or in a substrate; and a plurality of dummy patterns having different longitudinal-sectional areas formed at one side of the device pattern. The dummy patterns, which have the same planar size but have different longitudinal-sectional areas from the three-dimensional structural point of view, include first dummy pattern having a first thickness and second dummy pattern having a second thickness larger than the first thickness.
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