An imprint apparatus includes: a pressure roller configured to press a film onto a substrate; an idle roller spaced from the pressure roller, the idle roller and pressure roller being configured to peel the film from the substrate; a pressure sensor connected to the pressure roller and configured to sense a first pressure applied to the pressure roller; and a controller configured to detect a peeling defect based on the first pressure.

An optical film includes a hydrogenated block copolymer-[2] obtained by hydrogenating 90% or more of unsaturated bonds of block copolymer-[1] that includes at least two polymer blocks-[A] and at least one polymer block-[B], the polymer block-[A] including a repeating unit derived from an aromatic vinyl compound as main component, the polymer block-[B] including repeating unit derived from a linear conjugated diene compound as main component, ratio (wA:wB) of weight fraction wA of the polymer block-[A] in block copolymer-[1] to weight fraction wB of polymer block-[B] in block copolymer-[1] being 40:60 to 80:20, height from peak of ridge of a die line is formed in longitudinal direction of the optical film to a valley bottom point that is contiguous to the ridge being 100 nm or less over the optical film entire surface, and slope of the die line being 300 nm/mm or less over the optical film entire surface.

The resin composition for an optical material according to the present invention has features that it can implement a low retardation value during the preparation of an optical film, by using a polycarbonate composition satisfying a specific condition as a retardation-adjusting agent while using polymethyl methacrylate not containing a monomer having a cyclic structure at the main chain of the polymer.

A method of drawing a material into sheet form includes forming a preform comprising at least one material as a large aspect ratio block wherein a first transverse dimension of the preform is much greater than a second transverse dimension substantially perpendicular to the first transverse dimension. A furnace having substantially linearly opposed heating elements one spaced from the other is provided and the heating elements are energized to apply heat to the preform to create a negative thermal gradient from an exterior surface along the first transverse dimension of the preform inward toward a central plane of the preform. The preform is drawn in such a manner that the material substantially maintains its first transverse dimension and deforms across its second transverse dimension.

Arrays of integrated analytical devices and their methods for production are provided. The arrays are useful in the analysis of highly multiplexed optical reactions in large numbers at high densities, including biochemical reactions, such as nucleic acid sequencing reactions. The integrated devices allow the highly sensitive discrimination of optical signals using features such as spectra, amplitude, and time resolution, or combinations thereof. The arrays and methods of the invention make use of silicon chip fabrication and manufacturing techniques developed for the electronics industry and highly suited for miniaturization and high throughput.

The present invention provides a method for improving visibility of an image display device which is capable of providing an image display device excellent in anti-reflection properties and bright-field contrast even using an optical layered body including a light-transmitting substrate having in-plane birefringence, such as a polyester film. The method of the present invention is a method for improving visibility of an image display device that has an optical layered body including a light-transmitting substrate having in-plane birefringence and an optical functional layer disposed on one surface of the substrate. The method includes the step of disposing the optical layered body such that the slow axis showing a greater refractive index of the light-transmitting substrate is in parallel with the vertical direction of a display screen of the image display device.

The present invention provides a metallic wire grid polarizer and a manufacturing method thereof. The metallic wire grid polarizer of the present invention includes a base plate (10) and a plurality of metallic wire grids formed on the base plate (10). The metallic wire grids are divided into first wire lines (21) and second wire lines (22) having different heights so as to form a dual-period wire-grid structure for achieving better optical performance and exhibiting more global optimization parameters for making modulation of the optical performance thereof more scientific and more flexible. The manufacturing method of the metallic wire grid polarizer of the present invention may make a wire grid structure having layers of different heights and the manufacturing operation is simple.

To prevent warp deformation of a molded object which is formed by laser powder layer laminating molding.

There is provided a powder layer laminating molding method including a first step of forming a powder layer which includes powder of a thermoplastic resin, and a second step of sintering the powder layer by irradiating the formed powder layer with a beam having a heating action, in which a molded object is obtained by repeatedly performing the forming and the sintering of the powder layer in the first step and the second step, and an irradiation surface which is irradiated with the beam is divided into a plurality of small regions.

The present invention provides a method for improving visibility of an image display device which is capable of providing an image display device excellent in anti-reflection properties and bright-field contrast even using an optical layered body including a light-transmitting substrate having in-plane birefringence, such as a polyester film. The method of the present invention is a method for improving visibility of an image display device that has an optical layered body including a light-transmitting substrate having in-plane birefringence and an optical functional layer disposed on one surface of the substrate. The method includes the step of disposing the optical layered body such that the slow axis showing a greater refractive index of the light-transmitting substrate is in parallel with the vertical direction of a display screen of the image display device.

A spectrometer includes a support having a bottom wall part in which a depression is provided and a side wall part, a light detection element supported by the side wall part while opposing the depression, a resin layer disposed at least on an inner surface of the depression, and a dispersive part provided in the resin layer on the inner surface of the depression. The resin layer is in contact with an inner surface of the side wall part. A thickness of the resin layer in a first direction in which the depression and the light detection element oppose each other is larger in a part in contact with the inner surface of the side wall part than in a part disposed on the inner surface of the depression.