To provide a finely rugged structure body and a joint body such that a liquid substance sticking on a surface having a finely rugged structure hardly leaks out of a predetermined region to spread.SOLUTION: A finely rugged structure body 10 has, on at least one surface, a finely rugged structure 18 consisting of: a plurality of projection parts 14 which have an average height equal to or less than a wavelength of a visible light beam and an average interval between adjacent projection parts 14 equal to or less than the wavelength of the visible light beam; and recessed parts 16 formed between the plurality of projection parts 14. The finely rugged structure 18 is a moth-eye structure, and further has, on the surface, a weir part 22 which is taller than the projection parts 14 and divides the surface into a plurality of regions, one of the region I and region II divided by the weir part 22 being a contamination allowed region where a liquid substance leaks to spread.SELECTED DRAWING: Figure 1

    【課題】微細凹凸構造を有する表面に付着した液状の物質があらかじめ決められた領域外に濡れ広がりにくい微細凹凸構造体および接合体を提供する。【解決手段】平均高さが可視光線の波長以下であり、隣接する凸部14間の平均間隔が可視光線の波長以下である複数の凸部14と、複数の凸部14間に形成される凹部16とからなる微細凹凸構造18を、少なくとも1つの表面に有する微細凹凸構造体10であって、微細凹凸構造18はモスアイ構造であり、前記表面に、凸部14よりも高さが高く、前記表面を複数の領域に分割する堰部22をさらに有し、堰部22によって分割される領域I、領域IIの一方は、液状の物質が濡れ広がる汚染許容領域である、微細凹凸構造体10。【選択図】図1


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    Title :

    FINELY RUGGED STRUCTURE AND JOINT BODY


    Additional title:

    微細凹凸構造体および接合体


    Contributors:

    Publication date :

    2021-12-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / E04B Allgemeine Baukonstruktionen , GENERAL BUILDING CONSTRUCTIONS / E04F FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS , Ausbau von Bauwerken, z.B. Treppen, Fußböden / G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / G09F DISPLAYING , Anzeigewesen



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