EXTREMAL MICROSTRUCTURED SURFACES
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United States of America
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Mar 20, 2025
app pub date -
Jul 8, 2024
filing date -
Jul 8, 2024
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Abstract
The present application relates to multifunctional hierarchically microstructured surfaces and three-dimensional anchored interfacial domain structures. The multifunctional properties are extremal. In one aspect the microstructured surfaces may be super-adhesive. Examples of super-adhesive mechanisms may include gas trapping, fluid trapping, and solid wrinkle trapping. In another aspect the microstructured surfaces may be nearly adhesive-less. Examples of adhesive-less mechanisms may include inter-solid surface lubrication, energy conserving fluid flows, and super-low drag phase-phase lateral displacement. The extremal structures may be obtained by anchoring mechanisms. Examples of anchoring mechanisms may include Wenzel-Cassie formation, contact angle confusion, and capillary effects.
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