Abstract: An optical device case (100A) of an embodiment includes: a light-transmitting window member (20A); and a housing (10) which has a space for accommodating a light-receiving element and/or a light-emitting element (OE), wherein the window member (20A) includes a light-transmitting member (22), a polymer film (50) provided on an outer surface of the light-transmitting member (22), the polymer film (50) having a moth-eye structure at its surface, a contact angle of the surface with respect to water being not less than 140°, and a resistance heater (24) provided on an inner surface of the light-transmitting member (22).

Abstract: To provide a moth-eye transfer mold and a method of manufacturing a moth-eye transfer mold that provide a simple and inexpensive manufacturing process. A moth-eye transfer mold 1 is characterized by including a base 10, an underlayer 20 formed on the base 10, and a glassy carbon layer 30 formed on the underlayer 20, the glassy carbon layer 30 has an inverted moth-eye structure RM over a surface 30a, and the inverted moth-eye structure RM is randomly arranged cone-shaped pores.

Abstract: A laminated film is provided between a transparent conductive film and a counter substrate so that the laminated film is in contact with the transparent conductive film and the counter substrate. The laminated film includes a first low refractive index layer, a first high refractive index layer, a second low refractive index layer, and a second high refractive index layer. In the direction from the transparent conductive film toward the counter substrate, the first low refractive index layer, the first high refractive index layer, the second low refractive index layer, and the second high refractive index layer are provided to exist in order of the first low refractive index layer, the first high refractive index layer, the second low refractive index layer, and the second high refractive index layer. Each of the first low refractive index layer and the second low refractive index layer is made of a first material. The refractive index of light of the first material is in the range of 1.4 to 1.6.

Abstract: A laminated film is provided between a transparent conductive film and a counter substrate so that the laminated film is in contact with the transparent conductive film and the counter substrate. The laminated film includes a first low refractive index layer, a first high refractive index layer, a second low refractive index layer, and a second high refractive index layer. In the direction from the transparent conductive film toward the counter substrate, the first low refractive index layer, the first high refractive index layer, the second low refractive index layer, and the second high refractive index layer are provided to exist in order of the first low refractive index layer, the first high refractive index layer, the second low refractive index layer, and the second high refractive index layer. Each of the first low refractive index layer and the second low refractive index layer is made of a first material. The refractive index of light of the first material is in the range of 1.4 to 1.6.

Abstract: A manufacturing method of a mold, the mold having at its surface a plurality of recessed portions whose two-dimensional size is not less than 10 nm and less than 500 nm when viewed in a direction normal to the surface, the method including: (a) providing a mold base, (b) partially anodizing an aluminum alloy layer, thereby forming a porous alumina layer which has a plurality of minute recessed portions; and (c) after step (b), bringing the porous alumina layer into contact with a first etching solution, thereby enlarging the plurality of minute recessed portions of the porous alumina layer. Step (a) of providing the mold base includes (a1) providing a metal base, (a2) forming an aluminum alloy layer on the metal base, and (a3) forming a surface protection layer on the aluminum alloy layer. Step (a2) and step (a3) are performed in a same chamber.

Abstract: A method for manufacturing a moth-eye mold of an embodiment of the present invention employs a mold base including a metal base, an organic insulating layer provided on the metal base, and an aluminum alloy layer provided on the organic insulating layer, the aluminum alloy layer containing aluminum and a non-aluminum metal element M, an absolute value of a difference between a standard electrode potential of the metal element M and a standard electrode potential of aluminum being not more than 0.64 V, and a content of the metal element M in the aluminum alloy layer not exceeding 10 mass %.

Abstract: A mold base of an embodiment is a mold base for use in manufacture of a mold that has a porous alumina layer over its surface, including: a base; and an aluminum alloy layer provided on the base, wherein the aluminum alloy layer contains aluminum, a non-aluminum metal element, and nitrogen. The aluminum alloy layer of the mold base of an embodiment of the present invention has high specularity.

Abstract: A method for manufacturing a moth-eye mold of an embodiment of the present invention employs a mold base including a metal base, an organic insulating layer provided on the metal base, and an aluminum alloy layer provided on the organic insulating layer, the aluminum alloy layer containing aluminum and a non-aluminum metal element M, an absolute value of a difference between a standard electrode potential of the metal element M and a standard electrode potential of aluminum being not more than 0.64 V, and a content of the metal element M in the aluminum alloy layer not exceeding 10 mass %.

Abstract: There is provided an intaglio plate 1 excellent in surface strength, in which a pattern of grooves can be formed with a high dimensional accuracy, and further, a scrape hardly occurs, by laminating a binder layer 4 on a surface of a glass base board 2 having grooves 3 therein, and further, laminating a DLC layer on the surface of the binder layer 4.

Abstract: Disclosed is a thin-film solid secondary cell (1) wherein a positive electrode collector layer (20), a positive electrode active material layer (30), a solid electrolyte layer (40), a negative electrode active material layer (50) and a negative electrode collector layer (20) are arranged on a substrate (10). The positive electrode active material layer (30) is a thin film composed of a metal oxide containing a transition metal and lithium, while the negative electrode active material layer (50) is a thin film composed of a semiconductor, a metal, an alloy or a metal oxide other than vanadium oxide. At least layers other than collector layers (20) are amorphous thin films. The substance constituting the solid electrolyte layer (40) is lithium phosphate (Li3PO4) or lithium phosphate added with nitrogen (LIPON).