The present invention is directed toward transparent films prepared from soluble aromatic copolyamides with glass transition temperatures greater than 300° C. The copolyamides, which contain pendant carboxylic groups are solution cast into films using N,N-dimethylacetamide (DMAc), N-methyl-2-pyrrolidinone (NMP), or other polar solvents. The films are thermally cured at temperatures near the copolymer glass transition temperature. After curing, the polymer films display transmittances >80% from 400 to 750 nm, have coefficients of thermal expansion of less than 20 ppm, and are solvent resistant. The films are useful as flexible substrates for microelectronic devices.

A method for manufacturing an artificial elastic implant for restorative and reconstructive surgery includes two casting steps performed in a casting mold. The mold has at least a cover that is optically and UV transparent. In a first step, a first layer of a first photo-curable material or of a second photo-curable material is cast while forming a meniscus. Using one of two photo masks, the mold is irradiated with UV light to cure the first layer. In a second step, a second layer of either the first or the second photo-curable material is cast onto the cured first layer while forming a meniscus. After irradiating the mold again with ultraviolet light, unhardened photo-curable material is removed from the product by dissolving in a suitable solvent. After additionally irradiating the product with UV light, the product is soaked, separated from the mold, placed in isopropyl alcohol and then vacuum dried.

A method of forming a three-dimensional object, is carried out by (a) providing a carrier and a build plate, the build plate comprising a semipermeable member, the semipermeable member comprising a build surface with the build surface and the carrier defining a build region therebetween, and with the build surface in fluid communication by way of the semipermeable member with a source of polymerization inhibitor; (b) filling the build region with a polymerizable liquid, the polymerizable liquid contacting the build surface, (c) irradiating the build region through the build plate to produce a solid polymerized region in the build region, while forming or maintaining a liquid film release layer comprised of the polymerizable liquid formed between the solid polymerized region and the build surface, wherein the polymerization of which liquid film is inhibited by the polymerization inhibitor; and (d) advancing the carrier with the polymerized region adhered thereto away from the build surface on the build plate to create a subsequent build region between the polymerized region and the build surface while concurrently filling the subsequent build region with polymerizable liquid as in step (b). Apparatus for carrying out the method is also described.

A multi-layer direct blow bottle in which a metallic layer containing a metal pigment having an average thickness of not more than 1 μm dispersed in a resin is formed at a position where it is visible from the outer surface side.

Provided is a decorative sheet that, due to an asperity profile, creates a highly textured impression, such as a contoured impression, three-dimensional impression, impression of depth, and the like, even after being molded, and that has exceptional surface flatness. This decorative sheet has a layer that includes at least a transparent resin film layer, the layer that includes at least the transparent resin film layer having on one surface thereof an asperity profile having recesses that reach the transparent resin film layer, and includes an area in which the depth (d) of the recesses of the asperity profile, and the thickness T from the start point of the depth (d) to the surface on the opposite side from the surface that has the asperity profile in the layer that includes the transparent resin film layer, satisfy the relationship (d)/T×100=5-10, and is intended for use as a decorative resin molded article in which a molding resin is laminated to the surface having the asperity profile.

An optical arrangement for a camera module with an image sensor is provided. The optical arrangement includes optical components having a transparent cover element; an infrared absorbing cut-off filter; and an optical lens. The optical components are arranged, along an incident optical beam path going through the optical components onto the image sensor, in a sequence through the transparent cover element, then the infrared absorbing cut-off filter, and then the optical lens.

An optical device producing method includes: Step A of forming a wall portion surrounding an application region for a photocurable resin composition on an optical member or a transparent panel; Step B of applying a photocurable resin composition to the application region; Step C of forming a laminate by laminating the optical member and the transparent panel via the photocurable resin composition under a reduced-pressure atmosphere lower than atmospheric pressure; and Step D of removing babbles in the photocurable resin composition by pressurizing the laminate. In Step B, at least the height of the photocurable resin composition on the side of the wall portion is made higher than the height of the wall portion, and the photocurable resin composition is applied so that the laminate formed in Step C has a plurality of separated spaces separated by bubbles formed in the thickness direction of the photocurable resin composition.

A glass fiber fabric is impregnated with a colored resin having an opacifying property, a colored resin layer formed from the colored resin is provided on a first face of the glass fiber fabric, a transparent resin layer becoming transparent after being cured is provided on a second face of the glass fiber fabric, and thus a prepreg is formed.

A curved lens protector can include a transparent body having a self-supporting x-y axis curve with a concave inner surface and a convex outer surface opposite the inner surface. The transparent body can have an outer boundary of a predetermined shape to substantially match and fit with respect to an inner boundary of a lens holder portion of a predetermined lens frame. The transparent body can be configured for attachment to a predetermined curved lens without the use of an adhesive.

A three-dimensional printing apparatus includes a liquid tank. The liquid tank includes a release layer and a plate. The release layer has a workpiece curing area, and the plate supports the release layer and has a first area corresponding to the workpiece curing area and a second area adjacent to the first area; the second area has at least one fluid passage extending from a first surface of the plate contacting the release layer to a second surface of the plate. The embodiments of the present invention facilitate the separation of workpieces from the release layer. Another three-dimensional printing apparatus and a three-dimensional printing method are also provided.