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AssigneeDalian University of Technology
InventorsJinlong Song, Liu Huang, Xin Liu, Xuyue Wang, Yuwen Sun
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A superhydrophobic hemispherical array which can realize droplet pancake bouncing phenomenon is provided. The superhydrophobic hemispherical array shows an arc-shape structure which is narrow at the top and wide at the bottom, where a is the angle that substrate-gas interface goes across the gas and reaches substrate-hemisphere interface, d refers to the diameter of the contact area between hemispherical structure and substrate, s represents the space between two adjoining hemispheres, h denotes the vertical height from the top of hemisphere to substrate surface, and 70°≤a≤90°, 900 μm≤d ≤1700 μm, s≤550 μm, 600 μm≤h≤1100 μm, respectively. The superhydrophobic hemispherical array has a water contact angle larger than 150° and roll-off angle lower than 10°.
A superhydrophobic hemispherical array which can realize droplet pancake bouncing phenomenon, wherein the superhydrophobic hemispherical array shows an arc-shape structure which is narrow at the top and wide at the bottom, where a is the angle that substrate-gas interface goes across the gas and reaches substrate-hemisphere interface, d refers to the diameter of the contact area between hemispherical structure and substrate, s represents the space between two adjoining hemispheres, h denotes the vertical height from the top of hemisphere to substrate surface, and 70°≤a≤90°, 900 μm≤d≤1700 μm, s≤550 μm, 600 μm≤h≤1100 μm, h/d≥0.48, respectively;
Dependencies are inferred from the claim text.