Abstract: Optics over a light source, such as, but not limited to, an LED on a circuit board. The optic does not entirely encapsulate the LED but rather includes an inner surface such that an air gap exists between the optic and the LED. The optic may include a lens and may conform to the shape of the circuit board.

Abstract: According to some aspects, a method of additive fabrication is provided wherein a plurality of layers of material are formed on a surface of a build platform, each layer of material being formed so as to contact a container in addition to the surface of the build platform and/or a previously formed layer of material. The method comprises forming a layer of material in contact with the container and in contact with a previously formed layer of material, and subsequent to the forming of the layer of the material, separating the layer of material from the container by simultaneously applying a first force to the layer of the material in a direction perpendicular to the surface of the build platform, and a second force to the layer of the material in a direction parallel to the surface of the build platform.

Abstract: In one embodiment, a method for forming an alkali resistant coating includes forming a first oxide material above a substrate and forming a second oxide material above the first oxide material to form a multilayer dielectric coating, wherein the second oxide material is on a side of the multilayer dielectric coating for contacting an alkali. In another embodiment, a method for forming an alkali resistant coating includes forming two or more alternating layers of high and low refractive index oxide materials above a substrate, wherein an innermost layer of the two or more alternating layers is on an alkali-contacting side of the alkali resistant coating, and wherein the innermost layer of the two or more alternating layers comprises at least one of: alumina, zirconia, and hafnia.

Abstract: A method for manufacturing a gun barrel with a cold spray process. The method includes the use of a mandrel having a tubular body and being made of a material with properties suited to use with gun barrel manufacture and materials and cold spray processes. The gun barrel includes a liner, one or more structural layers and an outer jacket. The mandrel is dissolved in a chemical process during manufacture of the gun barrel.

Abstract: The present invention can provide a method for producing a cured product of an episulfide-based resin, the method having: (A) a step for obtaining a composition for a resin by mixing compound (a), compound (b) and a polymerization catalyst; (B) a step for pouring the composition for a resin into a mold; and (C) a step in which, by increasing the temperature of a heating medium, the composition for a resin is polymerized in the heating medium that contains a liquid having a thermal conductivity of 0.2 W/m·K or higher, or in a shower of the heating medium. The maximum temperature of the heating medium in step (C) is 55 to 110° C. (a) A compound which has two episulfide groups per molecule and which is represented by formula (1): wherein m represents an integer from 0 to 4 and n represents an integer from 0 to 2 (b) A compound having one or more thiol groups per molecule.

Abstract: In a method of forming a coated bag for pre-treating an item stored in the bag, a bag is provided, having a sidewall extending from a closed bottom end to an open top end and defining an interior surface of a cavity. The bag is expanded from a flattened condition to an expanded condition. At least one adhesive dispenser is inserted through the open top end of the bag into the cavity. An adhesive is applied from the at least one inserted adhesive dispenser to form an adhesive coating on the interior surface of the cavity. A particulate dispenser is inserted through the open top end of the bag into the cavity. A particulate is discharged from the inserted particulate dispenser to embed the particulate in the adhesive coating. The adhesive coating is dried to retain the embedded particulate on the interior surface of the sidewall.

Abstract: Provided are an optical device and a manufacturing method thereof. The method of manufacturing an optical device may include providing a substrate structure, and depositing an array including curved structures on the substrate structure. The curved structures may include a crystalline organic compound.

Abstract: The present disclosure is directed to a physically crosslinked, closed cell continuous multilayer foam structure comprising at least one foam polypropylene/polyethylene layer with a recycled polyolefin material layer. The multilayer foam structure can be obtained by coextruding a multilayer structure comprising at least one nonrecycled foam composition layer with at least one recycled foam composition layer, irradiating the coextruded structure with ionizing radiation, and continuously foaming the irradiated structure.

Abstract: Metal nanomaterials and nanostructures may be formed via shearing force in the presence of a reactant.

Abstract: A method of fabricating a ceramic matrix composite includes infiltrating pores of a porous structure with a preceramic matrix polymer using a composite molding technique. The porous structure includes fibers and an exposed carbon coating on the fibers. The preceramic matrix polymer wets the exposed carbon coating. The preceramic matrix polymer is then pyrolyzed to convert the preceramic matrix polymer to a ceramic matrix.

Abstract: A method for manufacturing a filtration media with improved filtration, strength, tear resistance and air permeability in the form of a relatively thin and lightweight wet-laid fibrous web that has a wet Mullen ratio of 20% to 90% to ensure that the media is flexible enough to be formed into a fluted structure, and strong enough to retain the fluted structure when would into a roll and to permit further processing.

Abstract: The disclosure relates to a method for coating a substrate with particles, wherein the following method steps are carried out in a vacuum: positioning a substrate surface of the substrate to be coated in a vacuum and in the direction of a region in which there are disposed solid particles with which the substrate surface is to be coated; and; and introducing electrons into the solid particles for electrostatic charging of the solid particles in such a way that a force brought about by the electrostatic charging separates the solid particles from one another and accelerates them in the direction of the substrate surface of the substrate for coating of the substrate surface with at least a portion of the separated solid particles. A device that can be used in accordance with the disclosure has a particle container, a substrate holder and an electron source.

Abstract: A gripping fabric and method for construction thereof is provided. A fabric structure that defines an inner surface and an outer surface is created. The fabric structure or the gripping fabric is configured to conform to a user's body part for constructing a garment, for example, a sock. The inner surface is proximal to a user contact surface and distal to an external contact surface. The outer surface is proximal to the external contact surface and distal to the user contact surface. A gripping material is selectively applied on the inner surface and/or the outer surface of the fabric structure. The gripping material on the inner surface and the outer surface of the fabric structure adheres to the user contact surface and the external contact surface respectively, thereby providing grip between the user contact surface and the fabric structure, and grip between the fabric structure and the external contact surface.

Abstract: An air-permeable sponge composition and a method for preparing an air-permeable sponge by using the same belong to the field of articles for daily use. An air-permeable sponge composition includes a sponge body and an air-permeable coating, and an outer surface layer of the sponge body being coated with the air-permeable coating. A method for making the air-permeable sponge utilizes the composition of the air-permeable sponge, wherein the air-permeable sponge is made from the air-permeable sponge composition under specific process parameters. The sponge body and air-permeable coating have the same or similar contents of isocyanate, polyether polyol and polymeric polyol and a similar porous structure.

Abstract: A shim stack foaming die for making foam slabs comprises a plurality of shims that are layered together under pressure to form a shim stack, wherein the shims combine to collectively define a plurality of die orifices in a working face, to define a main body of the shim stack foaming die, and also to define a plurality of die cavity that is fluidly connected to the plurality of die orifices. And articles foamed from the shim stack foaming die have found wide use in various applications, thermal or acoustic insulation, reinforcing layers and/or space-filling layers, and so on.

Abstract: An organic layer deposition apparatus, including a deposition unit including at least one deposition assembly spaced apart from a substrate, the at least one deposition assembly depositing a material on the substrate, the at least one deposition assembly including a deposition source that discharges a deposition material; a deposition source nozzle unit mounted on the deposition source, the deposition source nozzle unit having a deposition source nozzle formed therein; and a plurality of pattern sheets facing the deposition source nozzle unit and spaced apart from one another so that the deposition material is deposited on a plurality of different regions of the substrate via the plurality of pattern sheets.

Abstract: An apparatus and methods for applying an inner coating to a wellbore screen are described. The apparatus comprises a support for the wellbore screen, an elongate injector for injecting coating material into the inner bore of the wellbore screen, and a driver for positioning the elongate injector into the inner bore and moving the elongate injector through the inner bore to introduce coating material to the inner bore. The elongate injector has a supported end, a distal end, and a coating material delivery line extending through the elongate injector from a coating material supply to a port at the distal end.

Abstract: Disclosed is a method for mechanically anchoring polymers on the surface of a porous substrate by trapping polymer chains within the pores of the substrate under capillary forces. Surface modification of the porous substrate is achieved by anchoring one end of the polymer chains within the pores while one or more other ends of the polymer chains dangle from the surface of the porous substrate. The method provides a unique way of modifying the surface of a material without chemical reactions or precursor-substrate interactions.

Abstract: A coating method of reflective film is first to prepare a glass beads film and then select a color to be coated. The color is composed of plural primary colors in fixed ratio, making the color have a standard ratio, which is obtainable from an original database. Next, ratios of the primary colors are respectively adjusted to form a printing ratio according to color fastness, permeability and light barrier property of each primary color attached to the glass beads and then, each primary color is orderly spray coated on the glass beads film to form a coating layer with micro-printing technique in accordance with the printing ratio, thus completing manufacturing of a reflective film with high transmittance and high wide angle.

Abstract: Methods of and apparatuses for making a photovoltaic cell are provided. The photovoltaic cell is able to have a substrate made of a composite material. The composite material is able to be formed by mixing a binder and a physical property enhancing material to form a mixer. The binder is able to be pitch, such as mesophase pitch. The physical property enhancing material is able to be fiber glass. The substrate of the photovoltaic cell is able to be flexible, such that the photovoltaic cell is able to be applied on various surfaces.