| 摘要 |
The present invention provides a trench isolation structure, a method for manufacturing a trench isolation structure, and a method for manufacturing an integrated circuit including the trench isolation structure. In one aspect, the method includes forming a hardmask over a substrate, etching a trench in the substrate through the hardmask, forming a liner in the trench, depositing an interfacial layer over the liner within the trench and over the hardmask and filling the trench with a dielectric material.
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