Abstract:
A functional film contains an inorganic material as a main component and having a fine uneven structure on a surface. In a vertical cross section in a film thickness direction, a plurality of projections constituting the fine uneven structure is formed in a stepped shape having one or more stages, the functional film satisfies the following Formula (I): 10≤X×Y, where X is a Mohs hardness of the inorganic material, and an integer Y is the number of stages of the projections, and an average height from an lowermost bottom of lowest-stage projections of the plurality of projections to an outermost surface of highest-stage projections of the plurality of projections is 1 μm or less.
Abstract:
A manufacturing method of a functional membrane which contains an inorganic material and has a fine uneven structure on a surface thereof, includes a single mask forming step and an etching step, wherein a plurality of protruding portions which constitute the fine uneven structure are formed in a stair shape having one or more stairs in a vertical cross-sectional shape of the functional membrane along a thickness direction of the functional membrane, when Mohs hardness of the inorganic material is denoted as X and the number of the stairs of the protruding portions is denoted as Y, following formula (I) is satisfied, and an average height from the lowest bottom surface of the protruding portions of the lowermost stair to the highest top surface of the protruding portions of the uppermost stair is 1 μm or less.
Abstract:
There is provided a method for producing a piezoelectric element, which allows for forming a columnar microstructure with a small width and a high aspect ratio. The method is intended to produce a piezoelectric element 102 including a three-dimensional structure group 20 having a plurality of the three-dimensional structures 21 and 321 formed in a plate-like or columnar shape with a width of 30 μm or less and a height of 80 μm or more. The production method includes a first process of fabricating a plurality of plate-like or columnar precursor shapes 82a on a bulk material 81 formed of a Pb-based piezoelectric material, and a second process of reducing the width of the precursor shapes 82a to a predetermined value using an etching liquid.
Abstract:
Provided is a method for manufacturing a hydrophilic film, containing a step of forming a hydrophilic layer mainly composed of SiO2 on a substrate, wherein at least one hydrophilic layer is formed on the substrate by a wet deposition method so that a layer thickness after drying is 10 nm or less in terms of optical layer thickness, and an arithmetic mean roughness Ra of the hydrophilic film is 3 nm or more.
Abstract:
The present invention provides a piezoelectric element manufacturing method. The manufacturing method is a method of manufacturing a piezoelectric element comprising a piezoelectric body composite in which a piezoelectric body configured from a Pb-based piezoelectric material and a resin are alternately arranged, and comprises a step of etching, using an etching liquid, a plurality of parallel piezoelectric body segments formed by dicing. The etching liquid comprises a liquid which contains 0.1 to 20 mass % of hexafluorosilicic acid.
Abstract:
A functional film that has a hydrophilic property or an antifog property and that is formed on a base material includes a fluorine-containing layer that contains fluorine.
Abstract:
Provided is an optical element having particularly excellent salt water resistance and capable of exhibiting a photocatalytic effect. An optical element 100 is obtained by forming a multi-layer coating MC having two or more layers on a glass substrate GL that is an optically-transparent base plate. The multi-layer coating MC has at least one low-refractive-index layer L and at least one high-refractive-index layer H, and a topmost layer 10 farthest from the glass substrate GL is the low-refractive-index layer L. The high-refractive-index layer H adjacent to the topmost layer 10 is a functional layer 20 containing, as a main component, a metal oxide having a photocatalytic function. The topmost layer 10 has a plurality of pores 30 that partially expose a surface of the functional layer 20.
Abstract:
A transparent electrode for a touch panel includes a nitrogen-containing layer formed using a compound containing nitrogen atoms, and an electrode layer mainly containing silver and provided stacked on the nitrogen-containing layer.
Abstract:
A functional film provided on a base material and having a fine uneven structure on its surface of the functional includes a coating. The coating is a coating film or a coating layer of the fine uneven structure. The coating is on a surface of the base material or a constituent layer and covers at least a bumpy portion or an entire surface of the base material. The fine uneven structure includes bumps and dents whose mutual positional relationship and shape have randomness with no regularity in terms of identity or periodicity and does not generate diffracted light.
Abstract:
A dielectric multilayer film is composed of a plurality of layers on a substrate. The plurality of layers includes at least one low refractive index layer and at least one high refractive index layer. The uppermost layer farthest from the substrate is the low refractive index layer. The high refractive index layer disposed on a substrate side of the uppermost layer is a functional layer containing a metal oxide with a photocatalytic function. The uppermost layer is a hydrophilic layer containing a metal oxide with a hydrophilic function and has pores that partially expose a surface of the functional layer. The average width of the pores is equal to or greater than 5 nm.