METHODS FOR FILLING A RECESSED FEATURE ON A SUBSTRATE AND RELATED STRUCTURES
Abstract:
Methods for filling a recessed feature on a substrate are disclosure. The methods may include, providing a substrate with a recessed feature including a metal liner layer, partially etching the metal liner, and subsequently filing the recessed feature with a gap-fill material employing a combination of etch and cyclical deposition processes. Semiconductor structures including a gap fill metal film disposed in a recessed featured are also disclosed.
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