Abstract: Provided is an optical diffraction element that restricts overall thickness of the element while maintaining strength. The optical diffraction element comprises a substrate; an orientation layer that is formed on one surface of the substrate and includes anisotropic polymers that are oriented perpendicular to or inclined relative to a surface of the substrate in at least a partial region of the orientation layer; and a liquid crystal layer formed on the orientation layer. The liquid crystal layer includes a plurality of orientation patterns that are formed periodically and include liquid crystal molecules having different orientation directions, and the orientation direction for at least some of the orientation patterns is perpendicular to or inclined relative to the surface of the substrate, as a result of aligning with the orientation of the orientation layer formed on a bottom surface of the orientation patterns.

Abstract: A light diffraction element comprising a transparent substrate and a first orientation layer that is formed on one surface of the substrate and includes anisotropic polymers and a first pattern of an orientation direction arranged periodically in a first direction along the primary plane of the substrate. The first pattern includes three or more small regions that are arranged in the first direction and in which the orientation direction of the polymers included in the first orientation layer are different from each other, and generates diffracted light as a result of interference between light passed respectively through the three or more small regions.

Abstract: A resin composition for a flexible printed circuit board that can attain high adhesiveness and solder reflow resistance even if a base film having low dielectric properties is used, and that attains excellent electrical properties. The resin comprises a fluororesin and an isocyanate compound, wherein the fluororesin has a content of 1 to 50% by mass, and a hydroxyl equivalent of 300 to 5500 g/equivalent.

Abstract: In a display apparatus simultaneous left and right views with reduced crosstalk provide a stereoscopic image. The apparatus includes a liquid crystal display having first and second image forming areas including horizontal lines, and an optical unit in which first and second polarizing areas, corresponding to the image forming areas, are arranged. Frame images display a right eye image in the first image forming areas, and display a left eye image in the second image forming areas. The image forming areas are alternately switched or, updated every time a frame is switched. A boundary between the first and second image forming areas is moved to replace the first and second image forming areas, which display the right eye image and the left eye image. The first and second polarizing areas of the optical unit interchange phase difference states with each other.

Abstract: The present invention provides a polyamideimide resin for flexible printed circuit boards that prior to curing exhibits an excellent solubility, processability, and handling characteristics, and that after curing exhibits flame retardancy, solder heat resistance, circuit embeddability, and flexibility and further has a high glass-transition temperature (Tg) and is able to maintain a high adhesive strength. The present invention provides a polyamideimide resin for flexible printed circuit boards, which is obtained by the polymerization reaction of an acid component comprising at least a monoanhydride and an aromatic dicarboxylic acid with a diisocyanate compound or diamine compound in an approximately equimolar amount with respect to the total molar amount of the acid component, wherein the molar amount of the monoanhydride is 0.4 to 0.8 taking the total molar amount of the acid component as 1.

Abstract: The present invention provides a resin composition for an adhesive sheet, comprising an acrylic copolymer containing (A) an acrylate ester, methacrylate ester, or a mixture thereof, (B) acrylonitrile, methacrylonitrile, or a mixture thereof, and (C) an unsaturated carboxylic acid; an epoxy resin; and a curing agent, wherein the curing agent comprises at least one selection from Lewis acid-amine complexes.

Abstract: A composition for a polyimide resin, comprising a polyamic acid and a perylene black pigment having an isoindole skeleton, wherein a content of the perylene black pigment is 1 to 10% by mass based on 100% by mass of a weight of a solid content of the polyamic acid.

Abstract: An object of the present invention is to provide a flexible printed wiring board and multilayered flexible printed wiring board in which, in methods of laminating substrates comprising a non-adhering section and an adhering section, adhesion of the FPC substrates of the flexure part can be prevented and adequate flex resistance can be maintained. The present invention provides a flexible printed wiring board comprising at least an electric insulating layer and a conductor layer wherein the surface of the electric insulating layer has a 10-point average roughness of at least 1.5 ?m and less than 2.0 ?m and contact angle of at least 60° and less than 120°, or has a 10-point average roughness of at least 2.0 ?m and less than 4.

Abstract: A sandwich panel includes a middle material (2) and a surface material (3) that are laminated with a hollow columnar core (1). The middle material (2) is composed of a set of unidirectional fiber bodies (4, 5) each of whose fibers are aligned in one direction, and bonding layers formed by woven fiber bodies (6, 7). The woven fiber body (7) includes a warp yarn and a woof yarn that is orthogonal to the warp yarn, and the yarns are woven, and the woven fiber body (7) is formed so that any one of the warp yarn and the woof yarn is substantially parallel to the edge of the sandwich panel, and the other of the warp yarn and the woof yarn is substantially orthogonal to the edge of the sandwich panel.

Abstract: There is provided a lightweight sandwich panel of exceptional utility, which satisfies the flexural strength and in-plane shear strength requirements for an inner wall material used in aircraft. The sandwich panel comprises a laminating material in which a plurality of fiber bodies is laminated, and a surface material, the laminating material and the surface material being laminated in the stated order from the inside to the outside on the upper and lower surfaces of a hollow columnar core. The laminating material comprises at least four unidirectional fiber bodies each of which has fibers aligned in a uniform direction and is laminated so that each of the fiber directions thereof is at approximately 0°, +45°, ?45°, and 90°, respectively, in relation to one edge of the sandwich panel. The unidirectional fiber bodies are stitched together using a stitching yarn.

Abstract: A manufacturing method of a three-dimensional image display apparatus including an image display section and a retarder is provided. The manufacturing method includes attaching an adhesion sheet containing a curable resin to at least one of an exit surface of the image display section and an entrance surface of the retarder, layering the retarder on the image display section such that the entrance surface of the retarder faces the exit surface of the image display section, applying a resin onto a periphery portion of the image display section and onto a periphery portion of the retarder, adhering together the periphery portions by curing the resin applied to the periphery portions, and adhering together the image display section and the retarder by curing the resin between the image display section and the retarder, after adhering together the periphery portions.

Abstract: A phase shift plate comprising a transparent substrate; an orientation layer that is formed on one surface of the substrate and that includes anisotropic polymers with orientation direction patterns arranged periodically along a primary surface of the substrate; and a liquid crystal layer that includes liquid crystals that are periodically oriented according to the orientation direction of the orientation layer. The transparent substrate is formed by a cyclic olefin copolymer made of a norbornene and ethylene copolymer.

Abstract: A stereoscopic image display apparatus reduces flicker and crosstalk, and provides a viewing screen of high brightness without decreasing resolution. The stereoscopic image display apparatus includes: a liquid crystal display which has a first image forming area and a second image forming area corresponding to horizontal rows; and an optical unit in which a first polarizing area and a second polarizing area are arranged in correspondence with the first and second image forming areas. A frame image displays a right eye image on the first image forming area and a left eye image on the second image forming area, and alternately replaces or overwrites the image forming areas every time the frame is switched. The optical unit replaces, in synchronization with the timing at which the first and second image forming areas are replaced. The phase difference states are replaced between the first polarizing area and the second polarizing area.

Abstract: A stereoscopic image display apparatus which reduces flicker and crosstalk, provides a viewing screen of high brightness without decreased resolution. The stereoscopic image display apparatus includes a liquid crystal display which has first and second image forming areas having horizontal rows of pixels, and an optical unit in which first and second polarizing areas associated with the first and second image forming areas are arranged. A right eye image is displayed on the first image forming areas and a left eye image is displayed on the second image forming areas, and these areas are alternately replaced or overwritten every time a frame is switched. Phase difference states are replaced between the first polarizing areas and the second polarizing areas of the optical unit, synchronized with replacement of the first and second image forming areas.

Abstract: It is aimed to reduce the occurrence of crosstalk attributable to the thermal expansion/contraction of a retarder and an image display section, and the unevenness in color attributable to the uneven surfaces of the retarder and the image display section. It is also aimed to reduce the misalignment of the retarder with respect to the image display section. The exit surface of an image display section 130 and the entrance surface of a retarder 180 are adhered to each other by using an adhesion layer 300. Additionally, the left and right edges of the image display section 130 are adhered to the left and right edges of the retarder 180 by using adhesion regions 400. Here, the adhesion regions 400 have a higher glass transition temperature than the adhesion layer 300.

Abstract: According to the present invention there is provided a method for opening a fabric, in which warp and weft yarns can be uniformly opened using a simple method without having to alter the fabric weaving procedure. The method is a method for opening a fabric (4) produced by weaving a warp yarn (2) and a weft yarn (3), each of which having a bundled plurality of fiber filaments (1). A contact body (6) is provided to a surface of the fabric (4) with a protective film (5) interposed therebetween, and the contact body (6) is caused to move over the fabric (4) obliquely, and in a relative manner, with respect to the longitudinal direction of the warp yarn (2) or the weft yarn (3), whereby the warp yarn (2) or the weft yarn (3) is spread.

Abstract: A highly practical tube body for a pressure transducer is provided which has excellent pressure resistance, corrosion resistance, and tensile strength; which can be manufactured at low cost in comparison with cases of using stainless steel; and which makes it possible to keep inside diameter precision high. In this tube body for a pressure transducer, the pressure applied to the interior is varied periodically, and a seal layer (2) is provided to the internal peripheral surface of a tube body (1) made of a fiber-reinforced resin composed of fibers wound in layers.

Abstract: A stereoscopic image display apparatus and method which reduce crosstalk and select either high resolution images or bright images. The stereoscopic image display apparatus includes first and second image forming areas, each area including multiple contiguous horizontal rows. The areas are alternately disposed in a liquid crystal display, and display right and left eye images on the first and second image forming areas, respectively. The display displays the images in a fixed manner or replaces or overwrites the image areas every time a frame is switched, and displays a frame image in which the right and left eye images are simultaneously displayed. When the first and second image forming areas are alternately replaced, according to the frame switching timing, the backlight is controlled to turn on and phase difference states of right and left eye glasses of polarized eyeglasses are alternately replaced.

Abstract: A composition for a polyimide resin, comprising a polyamic acid and a perylene black pigment having an isoindole skeleton, wherein a content of the perylene black pigment is 1 to 10% by mass based on 100% by mass of a weight of a solid content of the polyamic acid.

Abstract: A liquid crystal filter made of a plurality of region having different liquid crystal molecule arrangement directions has a problem that linear defects, which are visible at boundaries between different liquid crystal molecule arrangement directions, are captured by image capturing elements. Therefore, provided is a liquid crystal filter comprising a first region that includes liquid crystals arranged in a first direction; a second region that includes liquid crystals arranged in a second direction, which is different from the first direction; and a buffer region that is disposed between the first region and the second region, and includes liquid crystals arranged in an intermediate direction between the first direction and the second direction.