| 摘要 |
A semiconductor device includes a plurality of first MIS transistors and a plurality of second MIS transistors formed on a semiconductor substrate and a liner insulating film applying stress along the gate length direction. Each of the first MIS transistors includes first L-shaped sidewalls each having an L-shaped cross-sectional shape, and each of the second MIS transistors includes second L-shaped sidewalls each having an L-shaped cross-sectional shape and outer sidewalls. The minimum thickness of a part of the liner insulating film located on each of second source/drain regions of the second MIS transistor is larger than the minimum thickness of a part thereof located on each of first source/drain regions of the first MIS transistor.
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