Abstract: To increase the amount of movement of a lens driven by a voice coil motor, a lens barrel includes a first yoke and a second yoke each having a length in an optical axis direction, a third yoke that has a length in the optical axis direction and is disposed between the first yoke and the second yoke, a first magnet disposed on the first yoke, a second magnet disposed on the second yoke, a coil that is penetrated by the third yoke and is movable in the optical axis direction by magnetic forces of the first magnet and the second magnet, and a lens holding frame that holds a lens and is movable together with the coil in the optical axis direction, and the third yoke has a groove along the optical axis direction.

Abstract: The present invention provides a resin composition having high heat-resisting properties, with which a shaping can be performed in accordance with designed sizes using a fused deposition modeling method-3D printer, and from which a shaped object having a small warpage and small changes in sizes due to water can be obtained. The present invention relates to a resin composition for a shaping material of a fused deposition modeling method-3D printer, comprising cellulose fibers in a polyamide.

Abstract: Provided is a resin composition formodeling materials for fused deposition modeling 3D printers, the resin composition containing a polyarylate resin (A) and a polyester resin (B), containing the component (A) and a polyamide resin (C), or containing tape component (A) and a polycarbonate resin (D).

Abstract: The present invention provides a resin composition having high heat-resisting properties, with which a shaping can be performed in accordance with designed sizes using a fused deposition modeling method-3D printer, and from which a shaped object having a small warpage and small changes in sizes due to water can be obtained. The present invention relates to a resin composition for a shaping material of a fused deposition modeling method-3D printer, comprising cellulose fibers in a polyamide.

Abstract: The polylactic acid resin composition of the present invention includes a polylactic acid resin (A) having a D-isomer content of 0 to 2.0 mol % or 98.0 to 100 mol %. The polylactic acid resin composition of the present invention further includes tin oxide (B) in an amount of 0.005 to 10 parts by mass in relation to 100 parts by mass of the polylactic acid resin (A). By using the polylactic acid resin composition of the present invention, a molded body being excellent in crystallinity and heat resistance, and at the same time, having sufficiently excellent moisture-heat durability can be obtained.