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US08496999B2 Field-aided preferential deposition of precursors 失效
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Field-aided preferential deposition of precursors
Abstract:
Area selective atomic layer deposition is provided by a method including the following steps. First, a substrate is provided. Second, a tip of a scanning probe microscope (SPM) is disposed in proximity to the surface of the substrate. An electrical potential is then established between the tip and the surface that cause one or more localized electrical effects in proximity to the tip. Deposition reactants for atomic layer deposition (ALD) are provided, and deposition occurs in a pattern defined by the localized electrical effects because of locally enhanced ALD reaction rates.
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