| 摘要 |
A semiconductor device is provided that includes a semiconductor substrate, an n-channel MOSFET formed on the substrate and a p-channel MOSFET formed on the substrate. A first layer is formed to cover the n-channel MOSFET, wherein the first layer has a first flexure-induced stress. A second layer is formed to cover the p-channel MOSFET, wherein the second layer has a second flexure-induced stress.
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