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US 2023/0407969 A1Published application
Article and optical apparatus
OwnerShigeru Sugiyama, Makoto Kojima +1inventors
InventorsSHIGERU SUGIYAMA, MAKOTO KOJIMA, SHUNSUKE KUBOYAMA
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Abstract
An article includes portions opposing each other across a gap, wherein a width of the gap is a width that causes a capillary action, and wherein a depression-protrusion structure having a lotus effect is provided on at least one of the portions opposing each other.
Claims18
An article comprising:
- portions opposing each other;
- a gap between the opposing portions, the gap having a width sufficient to cause a capillary action;
- and
- a depression-protrusion structure having a lotus effect provided on at least one of the portions opposing each other.
1 more element
An article comprising:
- a first component;
- a second component opposing the first component;
- a gap between the first component and the second component;
- and
- a depression-protrusion structure is-provided on a surface of the first component opposing the second component,
- wherein a pitch between protrusion portions in the depression-protrusion structure or a pitch between depression portions in the depression-protrusion structure is 70 μm or less,
- wherein a height of at least one of the protrusion portions or a depth of at least one of the depression portions is 1 μm or more,
- wherein a width of at least one of the protrusion portions or a width of at least one of the depression portions is 100 μm or less, and
- wherein a width of the gap is 0.05 mm or more and 2 mm or less.
6 more elements
An article comprising:
- a first component;
- a second component opposing the first component;
- a gap between the first component and the second component, the gap having a width sufficient to cause a capillary action;
- and
- a depression-protrusion structure having a lotus effect is-provided on a surface of the first component opposing the second component.
2 more elements
Dependencies are inferred from the claim text.