| 摘要 |
A manufacturing method for a semiconductor structure includes providing a substrate having at least a gate structure formed thereon, performing a first wet etching process to etch the substrate at two sides of the gate structure, performing a second wet etching process to etch the substrate to form a recess respectively at two sides of the gate structure, and performing a selective epitaxial growth method to form an epitaxial layer having a diamond shape with a flat bottom respectively in the recess.
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