Abstract: A method of manufacturing a microlens substrate 10 is provided. The microlens substrate 10 is provided with a plurality of microlenses 8. The method includes the steps of: preparing a substrate 101 with concave portions having two major surfaces, each of the plurality of concave portions 3 having a shape corresponding to that of each of the plurality of microlenses 8 being formed on one of the two major surfaces of the substrate 101 with concave portions; preparing a base material substrate 102? mainly formed of a resin material, the base material substrate 102? having two major surfaces; and pressure-joining the substrate 101 with concave portions to the base material substrate 102? in a heating state. In this case, in the pressure-joining step, the substrate 101 with concave portions is joined to the base material substrate 102? so that the plurality of concave portions 3 are filled with the resin material of the base material substrate 102? which has been melted by the heat.

Abstract: A method of manufacturing a microlens substrate 10 is provided. The microlens substrate 10 is provided with a plurality of microlenses 8. The method includes the steps of: preparing a substrate 101 with concave portions having two major surfaces, each of the plurality of concave portions 3 having a shape corresponding to that of each of the plurality of microlenses 8 being formed on one of the two major surfaces of the substrate 101 with concave portions; preparing a base material substrate 102? mainly formed of a resin material, the base material substrate 102? having two major surfaces; and pressure-joining the substrate 101 with concave portions to the base material substrate 102? in a heating state. In this case, in the pressure-joining step, the substrate 101 with concave portions is joined to the base material substrate 102? so that the plurality of concave portions 3 are filled with the resin material of the base material substrate 102? which has been melted by the heat.

Abstract: A method of manufacturing a microlens substrate having a plurality of microlenses includes the steps of: preparing a substrate having two major surfaces and a plurality of concave portions formed in one of the two major surfaces, each of the concave portions having a shape corresponding to that of each of the microlenses being formed in the one of the two major surfaces of the substrate; preparing a base material substrate formed of glass having a transformation point lower than that of a constituent material constituting the substrate; and pressure-joining the substrate to the base material substrate in a heating state. In the pressure-joining step, the substrate is joined to the base material substrate and the concave portions fill with the glass material of the base material substrate which is melted by the heat.

Abstract: A metal powder production apparatus includes a supply part for supplying molten metal and a nozzle provided below the supply part. The nozzle is provided with a flow path defined by an inner circumferential surface of the nozzle through which the molten metal supplied from the supply part can pass. The inner circumferential surface of the nozzle has a gradually reducing inner diameter portion whose inner diameter is gradually reduced in a downward direction. The nozzle is further provided with an orifice opened at a bottom end of the flow path and adapted to inject water toward the flow path. The nozzle has a first member having the gradually reducing inner diameter portion and a second member provided below the first member with a space left between the first member and the second member. The orifice is defined by the first member and the second member. A heat absorption body is provided on the first member.

Abstract: A metal powder production apparatus includes a supply part for supplying molten metal and a nozzle having a first member and a second member by which an orifice for injecting water is defined. The first member has a gradually reducing inner diameter portion. A heat insulating layer for cutting off radiant heat emitted from the molten metal is formed on the gradually reducing inner diameter portion of the first member. the nozzle is configured to ensure that the gradually reducing inner diameter portion is prevented, under an action of the heat insulating layer, from being thermally deformed by the radiant heat of the molten metal but a region of the first member near the orifice is thermally deformed in such a direction as to reduce a size of the orifice by absorbing the radiant heat of the molten metal, whereby the orifice can be restrained from being enlarged by the pressure of the water passing through the orifice.

Abstract: A metal powder production apparatus includes a supply part for supplying molten metal and a nozzle provided below the supply part. The nozzle is provided with a flow path through which the molten metal supplied from the supply part can pass, the flow path having a gradually reducing inner diameter portion whose inner diameter is gradually reduced in a downward direction. The nozzle is further provided with an orifice opened at a bottom end of the flow path and adapted to inject fluid toward the flow path. The nozzle has a first member and a second member provided below the first member with a space left between the first member and the second member, wherein the orifice is defined by the first member and the second member. A clamp for restraining the orifice from being enlarged by the pressure of the fluid passing through the orifice is provided on the nozzle.

Abstract: A metal powder production apparatus includes a supply part for supplying molten metal and a nozzle provided below the supply part. The nozzle is provided with a flow path through which the molten metal supplied from the supply part can pass, the flow path having a gradually reducing inner diameter portion whose inner diameter is gradually reduced in a downward direction. The nozzle is further provided with an orifice opened at a bottom end of the flow path and adapted to inject fluid toward the flow path. The nozzle has a first member and a second member provided below the first member with a space left between the first member and the second member, wherein the orifice is defined by the first member and the second member. A clamp for restraining the orifice from being enlarged by the pressure of the fluid passing through the orifice is provided on the nozzle.

Abstract: A metal powder production apparatus includes a supply part for supplying molten metal and a nozzle having a first member and a second member by which an orifice for injecting water is defined. The first member has a gradually reducing inner diameter portion. A heat insulating layer for cutting off radiant heat emitted from the molten metal is formed on the gradually reducing inner diameter portion of the first member. the nozzle is configured to ensure that the gradually reducing inner diameter portion is prevented, under an action of the heat insulating layer, from being thermally deformed by the radiant heat of the molten metal but a region of the first member near the orifice is thermally deformed in such a direction as to reduce a size of the orifice by absorbing the radiant heat of the molten metal, whereby the orifice can be restrained from being enlarged by the pressure of the water passing through the orifice.

Abstract: A metal powder production apparatus includes a supply part for supplying molten metal and a nozzle provided below the supply part. The nozzle is provided with a flow path defined by an inner circumferential surface of the nozzle through which the molten metal supplied from the supply part can pass. The inner circumferential surface of the nozzle has a gradually reducing inner diameter portion whose inner diameter is gradually reduced in a downward direction. The nozzle is further provided with an orifice opened at a bottom end of the flow path and adapted to inject water toward the flow path. The nozzle has a first member having the gradually reducing inner diameter portion and a second member provided below the first member with a space left between the first member and the second member. The orifice is defined by the first member and the second member. A heat absorption body is provided on the first member.

Abstract: A metal powder production apparatus includes a nozzle having a first member and a second member by which an orifice for injecting water is defined. A first groove portion and a first easy-to-deform portion are formed in the first member and a second groove portion and a second easy-to-deform portion are formed in the second member. The nozzle is configured to ensure that the first member and the second member are deformed by the pressure of the water passing between the first member and the second member, whereby the orifice can be restrained from being enlarged by the pressure of the water passing through the orifice.

Abstract: A microlens substrate 1 for an opposed substrate 10 for use in a liquid crystal panel is provided. The microlens substrate 1 includes: a substrate 11 with concave portions formed of a glass material, the substrate 11 with concave portions being provided with a plurality of concave portions 111 on one major surface thereof; and a convex lens substrate 12 provided with a plurality of convex portions 121 each having a shape which corresponds to that of each of the concave portions 111, the plurality of convex portions 121 being provided on one major surface of the convex lens substrate 12 which faces the one major surface of the substrate 11 with concave portions on which the plurality of concave portions 111 are provided. In this case, the convex lens substrate 12 is formed of a constituent material which contains an organic-inorganic composite material as its main material.

Abstract: A method of manufacturing a microlens substrate 10 is provided. The microlens substrate 10 is provided with a plurality of microlenses 8. The method includes the steps of: preparing a substrate 101 with concave portions having two major surfaces, each of a plurality of concave portions 3 having a shape corresponding to that of each of the plurality of microlenses 8 being formed on one of the two major surfaces of the substrate 101 with concave portions; preparing a base material substrate 102? formed of a glass material whose glass transformation point is lower than that of a constituent material constituting the substrate 101 with concave portions, the base material substrate 102? having two major surfaces; and pressure-joining the substrate 101 with concave portions to the base material substrate 102? in a heating state.

Abstract: A method of manufacturing a microlens substrate 10 is provided. The microlens substrate 10 is provided with a plurality of microlenses 8. The method includes the steps of: preparing a substrate 101 with concave portions having two major surfaces, each of the plurality of concave portions 3 having a shape corresponding to that of each of the plurality of microlenses 8 being formed on one of the two major surfaces of the substrate 101 with concave portions; preparing a base material substrate 102? mainly formed of a resin material, the base material substrate 102? having two major surfaces; and pressure-joining the substrate 101 with concave portions to the base material substrate 102? in a heating state. In this case, in the pressure-joining step, the substrate 101 with concave portions is joined to the base material substrate 102? so that the plurality of concave portions 3 are filled with the resin material of the base material substrate 102? which has been melted by the heat.