| 摘要 |
A method for manufacturing a semiconductor device is provided. First, a first metal conductive line is formed, and then a semiconductor device is formed on the first metal conductive line. A dielectric layer is formed on the semiconductor device. A contact window is formed at a position in the dielectric layer corresponding to the first metal conductive line. Then, a metal plug is formed in the contact window. The metal plug is used as a mask for etching the semiconductor device, such that the etched semiconductor device takes the form of a shape corresponding to the metal plug. Through the manufacturing method, the semiconductor device is formed according to the shape of the metal plug and is completely aligned with the metal plug.
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