Abstract: A method for making a master mold used to nanoimprint patterned magnetic recording disks that have chevron servo patterns with minimal defects uses directed self-assembly of block copolymers. A pattern of chemically modified polymer brush material is formed on the master mold substrate. The pattern includes sets of slanted stripes and interface strips between the sets of slanted stripes. A block copolymer material is deposited on the pattern, which results in directed self-assembly of the block copolymer as lamellae perpendicular to the substrate that are formed into alternating slanted stripes of alternating first and second components of the block copolymer. This component also forms on the interface strips, but as a lamella parallel to the substrate. One of the components is then removed, leaving the remaining component as a grid that acts as a mask for etching the substrate to form the master mold.

Abstract: A method of manufacturing a mold includes following steps. Providing a solution, which includes a solvent, a solute and a plurality of nanoparticles. Providing a first substrate. Spin coating the solution on the first substrate, and then vaporizing the solvent to form a first mold on the first substrate. Thus, an upper surface of the first mold has a plurality of first porous structures. The present invention further includes forming an optical film having protrusion patterns with the aforementioned mold.

Abstract: A method of protecting a mold having at least one substantially planar surface provided with a plurality of mold cavities includes inserting a plurality of mandrels into respective ones of the plurality of mold cavities, depositing a layer of mold protection material onto the at least one substantially planar surface and the plurality of mandrels, and removing the plurality of mandrels from the mold substrate.

Abstract: An improved molded plastic closure is provided, wherein the closure is formed from polymeric resin material, and exhibits a relatively higher concentration of a lubricant composition on an inside surface thereof, including one or more selected regions of the inside surface, to facilitate application to and removal from an associated container, The present invention contemplates a method of making a molded closure by selective application of a lubricant composition to one or more regions of the inside surface thereof. Two different types of lubricant compositions can be applied at two different regions of the inside surface of the closure, wherein the compositions can be selected for preferred organoleptic and lubrication characteristics.

Abstract: A cardiac valve prosthesis having a frame and two or more leaflets (preferably three) attached to the frame. The leaflets are attached to the frame between posts, with a free edge which can seal the leaflets together when the valve is closed under back pressure. The leaflets are created in a mathematically defined shape allowing good wash-out of the whole leaflet orifice, including the area close to the frame posts, thereby relieving the problem of thrombus deposition under clinical implant conditions.

Abstract: In the present invention, provided is a molding die with which shape of the molding die can be reliably transferred to a molded material, even though precision molding is conducted at a shape error of 1.0 ?m or less. This molding die possesses a glass substrate, at least one resin die formed on the glass substrate, and an inorganic oxide film to cover the glass substrate and the at least one resin, wherein the at least one resin die made of a photo-curable resin has a light transmittance of 20% or more with respect to light having a wavelength of 365 nm and has a hardness of 30-90 in terms of shore D, and the molding die comprises the inorganic oxide film having been subjected to a mold-releasing treatment.

Abstract: An in-mold coated article that includes at least one of a controlled surface morphology and a predetermined color which is manufactured via a single- or multi-coat process. The in-mold coated article preferably resembles wood, leather, marble, granite, clay, etcetera. The present invention further provides methods for manufacturing in-mold coated articles using single-coat and/or multi-coat processes as disclosed herein.

Abstract: A composition for use in investment casting shells and a method of making the composition is disclosed. The composition includes an engineered binder and a refractory flour. The engineered binder comprises a siliceous material and at least one organic component selected from: at least one type of wood pulp; at least one species of cellulose fiber; and combinations thereof. A particular benefit of the investment shell composition is simultaneously increased permeability and load bearing capacity.

Abstract: This invention relates to compositions suitable for the formation of an adhesive layer used for in-mold decoration. This invention also relates to in-mold decoration tape or strip, comprising: a carrier layer; a release layer; a durable layer; and an adhesive layer which comprises an adhesive binder, a polymeric particulate material and an inorganic particulate material.

Abstract: Provided is a resin mold for imprinting which is free from transfer defects, has excellent releasability from a resin subjected to imprinting, and does not cause any defect by imprinting. The resin mold for imprinting includes a resin layer having a recessed and projected pattern surface, an inorganic material layer formed with a uniform thickness on at least the recessed and projected pattern surface of the resin layer, and a release agent layer formed with a uniform thickness on at least the recessed and projected pattern surface of the inorganic material layer.

Abstract: Means, apparatus, systems, and/or methods are described for forming improved rigid or flexible semi-transparent imprinting templates. These templates can be used to produce patterning masks having improved resolution that do not require plasma etching for residue removal. The methods and apparatus are compatible with roll-to-roll manufacturing processes and enable roll-to-roll formation of a wide range of metal patterned films.

Abstract: The present invention relates to a refractory coating for producing mold coatings by application to inorganically or organically-bound molding materials in lost molds or to cores for iron and steel casting, wherein the ready-to-use refractory coating has proportion by weight of 0.001% or more and less than 1% of inorganic hollow bodies, which partially or fully consist of crystalline material and have a softening point of 1000° C. or higher.

Abstract: Slurry which contains a) from (50) to (80) % by weight of refractory particles having an average particle size of from (0.5) m to (150) m, b) from (5) to (35) % by weight of aluminium oxide particles having an average particle diameter of less than (300) nm and c) from (5) to (35) % by weight of water and d) a pH of from (5) to (12). Process for producing the slurry using a dispersion, and also the dispersion itself. Process for producing a casting mould, and also the casting mould itself.

Abstract: A method to manufacture a blade, especially to manufacture a blade of a wind turbine is provided. An arrangement including a mould is provided and used to carry layers of blade-components. A dry-powder is applied at least to an inner surface of the mould, before the layers are arranged onto the inner surface of the mould. Thus the mould includes a dry powder-coat as a bottom layer.

Abstract: A resin constraint film to be used in production of composite material artefacts; the constraint film being formed by a supporting film made of biaxially oriented polypropylene, by an intermediate layer of release chemical product that coats the front face of the supporting film intended to come into contact with the semi-finished product which will give rise to the composite material artefact, and by a surface layer of metal coating material applied onto the intermediate layer via vacuum vaporisation deposition.

Abstract: The invention provides a coating composition for an optical element, such as an ophthalmic lens. The coating composition includes a relatively rigid multifunctional monomer and a relatively flexible difunctional monomer. The rigid multifunctional monomer and the flexible difunctional monomer are capable of co-reacting to form an abrasion resistant coating on the optical element. The invention also provides a method of forming an abrasion resistant coating on an optical element, such as an ophthalmic lens. The method includes the steps of coating the optical element with a relatively rigid multifunctional monomer and a relatively flexible difunctional monomer, and polymerising the coating to form an abrasion resistant coating on the optical element.

Abstract: The invention provides an anti-corrosive package which can be added to release agents used in preparing textiles and molded articles from lignocellulosic materials, concrete and polyurethane foam.

Abstract: Disclosed is a method of processing the surface of a cavity a casting die wherein the fluidity is good even if the shape of the surface of the cavity (castings) has a complex shape, mold releasability are excellent, reprocessing is possible, and the life of the die can be prolonged. A step (A) for forming hemispherical first dimples (12) by the particles to be sprayed on the surface of the cavity (11), and a step (B) for forming second dimples (13) by the particles to be sprayed, which second dimples are smaller than the first dimples (12), are provided. A treating method (a) and a treating method (b) where either step (A) or step (B) is carried out depending on the requirements, and a method (c), where only the first dimples (12) are formed by carrying out only step (A) are also provided.

Abstract: The present invention discloses a method for enhancing hardness of a nanoimprint mold comprising following steps of: providing a male mold, composed of a first material, for imprinting a female mold and producing a nano structural pattern on the female mold, and the female mold composed of a second material, wherein the hardness of the first material is higher than the hardness of the second material; applying a nano-indentation technique to the female mold onto the female mold by a nano-indentation apparatus having a diamond array probe so as to enhance the surface hardness of the female mold; and impressing a substrate by the female mold with the nano structural pattern having the enhanced surface.

Abstract: An exemplary method for set retarding the surface of a mortar or concrete material, comprising applying to the surface of a mortar or concrete, or to the inner surface of a mold for forming the mortar or concrete, a hot melt coating composition which is heated to assume a flowable or sprayable form, and allowing the hot melt coating composition to cool to ambient temperature whereby the composition forms a solidified membrane, and thereafter removing the membrane. Preferably, the hot melt coating composition contains at least one agent operative to retard the setting of the mortar or concrete, and optional finely divided particulate materials, light-reflective pigments, or mixtures thereof.

Abstract: A system for precision glass molding comprising a substrate and a coating. The substrate has less than 1.2 wt. % minor constituents. The coating comprises TiAlxNy, wherein x is about 0.7-1.5 and y is about 2.0-3.0. The coating is applied on at least a portion of the substrate.

Abstract: There is provided a surface composition for reducing degradation and fading of surfaces subjected to extended periods of submersion in an aqueous liquid. The surface composition comprises at least one clear barrier layer and at least one under layer, wherein the clear barrier layer is in use, disposed atop the under layer and in contact with the aqueous liquid whereby the clear barrier layer protects the structure and appearance of the under layer. The surface composition is particularly useful in applications where the surface is subjected to extended periods of submersion in liquids containing hydrolysing or oxidising agents, exposure to ultra violet radiation, or combinations thereof, whereby the clear barrier layer provides structural protection against degradation from chemical attack and from fading due to UV exposure. There is also provided a method of manufacturing a boat or other watercraft surface composition.

Abstract: A system including a mold having a fluoropolymer wherein the mold defines a plurality of cavities having a predetermined shape and a cross-sectional dimension less than about 100 micrometers; a roller; a surface in cooperation with the roller to form a nip point configured to receive the mold, wherein the nip point is further configured to receive a substantially liquid composition and accelerate entry of the substantially liquid composition into the cavity.

Abstract: Colloidal silica having a controllable broad particle size distribution and a controllable minimum particle size is disclosed and claimed. Particles below a predetermined size are excluded from the product colloidal silica of the invention. A method for continuously producing the desired colloidal composition is disclosed comprising the steps of providing preformed silica particles having a surface area which controls the particle size of the colloidal silica product, adding a feed silica comprising an alkaline solution and silicate at a feed rate which is less than a nucleation rate.

Abstract: A template repair method according to one embodiment is a method for repairing a template including a template base material and a first mold release layer formed on a pattern surface of the template base material, and a restorative material is supplied to the pattern surface of the template base material in the template repair method. The restorative material has affinity to the base material and non-affinity to the mold release layer.

Abstract: The present invention relates to compositions which are suitable for use as friction reducing agents, which can be particularly useful as release agents. The compositions comprise water and a surfactant capable of forming liquid crystals. The invention also relates to methods of production of such compositions, their use and substrates treated with such compositions.

Abstract: A method for making a master disk to be used for nanoimprinting patterned-media magnetic recording disks uses sidewall lithography. In one implementation, the master disk substrate has a first pattern of concentric rings formed on it by sidewall lithography, followed by a second pattern of generally radially-directed pairs of parallel lines, also formed by sidewall lithography, with the pairs of parallel lines intersecting the rings. An etching process is then performed, using the upper pattern as an etch mask, to remove unprotected portions of the underlying concentric rings. This leaves a pattern of pillars on the substrate, which then serve as an etch mask for an etching process that etches unprotected portions of the master disk substrate. The resulting master disk then has pillars of substrate material arranged in a pattern of concentric rings and generally radially-directed pairs of parallel lines.

Abstract: Disclosed are methods for incorporating additives, such as chemically active particles, into the surfaces of articles or into coatings disposed atop articles. The disclosed methods are also applicable to conventional molding techniques, and can be performed in batch or continuous fashion.

Abstract: A device for the production of silicon blocks comprising a vessel for receiving a silicon melt with at least one vessel wall, with the at least one vessel wall comprising a nucleation-inhibiting coating on at least part of an inside or with the at least one vessel wall consisting of a nucleation-inhibiting material.

Abstract: An object of the present invention is to provide a toner-conveying roller that has high toner-conveying property and in which a roller-shape thereof is less likely to be transferred to the image, a mold capable of manufacturing said roller, and a method of manufacturing said mold. The toner-conveying roller according to the present invention has a shaft body and a urethane foam layer formed around the shaft body, and recesses and protrusions are irregularly formed on a circumference surface of the urethane foam layer. The mold for manufacturing the roller according to the present invention has recesses and protrusions irregularly formed on the inner surface of a mold for manufacturing the roller.

Abstract: A mold includes: a base; and a contact surface which is provided on the base and which comes into contact with a molten material. The contact surface is provided with a first surface portion that includes a first fiber layer in which first carbon fibers are raised, and a second surface portion having different surface characteristics from the first surface portion.

Abstract: A method for manufacturing a micro-nano imprint mould and an imprinting process are described. The method for manufacturing a micro-nano imprint mould includes: providing a mould body including a first surface and a second surface on opposite sides, wherein the mould body includes an imprinting pattern structure set in the first surface, and the imprinting pattern structure includes a plurality of concaves and a plurality of convexes between the concaves; and performing a surface treatment step on the first surface of the mould body to make a first contact angle form between an imprint fluid and the concaves and a second contact angle form between the imprint fluid and the convexes, wherein the first contact angle is different from the second contact angle.

Abstract: Mold sealer compositions are provided that are effective for molding thermoplastic parts from metal mold surfaces, which when applied as a coating cures to a finish having a high durability permitting multiple releases.

Abstract: A surface-treated mold that includes a mold, a metal layer that is provided on a surface of the mold and contains at least one metal selected from nickel, chromium, tungsten and brass, and a carbon film that is provided on a surface of the metal layer, wherein the metal layer contains carbon, and the carbon concentration in the metal layer is higher between the boundary with the carbon film and the center of the metal layer than that between the boundary with the mold and the center of the metal layer.

Abstract: A tool (10) for use in forming moulded articles, comprising a tool body (12) formed of a ceramic material, preferably porous with a porosity of between 40% and 60% and in the form of a foam. The tool body (12) is profiled to define the mould surface(s) of the tool (10). The outer surface (11) of the tool (10) can be sealed with epoxy sealant to provide the mould surface(s) of the tool. An elastomeric layer (16) can be applied to the surface(s) of the tool body (12) and a resinous material (14), such as a fibre reinforced material, applied to the elastomeric layer (16), wherein the elastomeric layer (16) inhibits the movement of resin from the resinous layer (14) into the porous ceramic body, and the resinous layer (14) defines the mould surface.

Abstract: Provided are a template used for nanoimprint lithography and a method for fabricating the same. A raised first deposition layer pattern including at least one downwardly sloped side surface is formed on a substrate. A second deposition layer pattern covering the side surface of the raised first deposition layer pattern and progressively decreasing in width downward along the side surface of the raised first deposition layer pattern is formed. A third deposition layer is formed on the entire surface of a structure on which the second deposition layer pattern. A second deposition layer nano pattern between the raised first deposition layer pattern and a planarized third deposition layer is formed by planarizing the third deposition layer to expose upper surfaces of the raised first deposition layer pattern and the second deposition layer pattern.

Abstract: A patterned-media perpendicular magnetic recording disk has patterned servo regions and is nanoimprinted from a master mold made using directed self-assembly of block copolymers. The disk has patterned concentric circular data tracks of discrete data islands, with the tracks having a track pitch in the radial or cross-track direction. The disk also has patterned servo sectors extending generally radially across the patterned data tracks. The servo pattern is a chevron pattern of slanted or non-radial stripes that have a stripe pitch in the cross-stripe direction substantially equal to the track pitch. As a result of the method of making the master mold, the nanoimprinted disk has a chevron servo pattern with non-radial stripes that are magnetized segments of radial lines separated by nonmagnetic spaces.

Abstract: A process of reducing friction, which is encountered in molds utilized in injection molded, solder processing, and wherein glass mold plates have mold pits etched therein. The mold pates are subjected to a heat treatment so as to smooth or round-off sharp edges along the periphery of the mold pits.

Abstract: Providing a metal mold repair method and a metal mold repair paste agent which are capable of repairing cracks with simple work. A repair paste agent containing components that become an alloy is directly applied to a surface of a metal mold having a crack so as to cover the crack part, subsequently a surface of the repair paste agent is coated with an oxidation inhibitor and the repair paste agent is made to penetrate the inside of the crack by heating and becomes an alloy, thereby filling up the crack.

Abstract: A method of forming an optical element forming metal mold to form an optical element, having steps of: laminating a heat insulation layer 13 on a surface of the base member 11 where the optical element is formed; laminating an intermediate metal layer 14 on a surface of the heat insulation layer 13 by thermal spraying; laminating a surface forming layer 15, on which a surface shape to be transferred to the optical element is formed, on the intermediate metal layer 14; wherein the intermediate metal layer 14 is laminated in a way that parts of the heat insulation layer 13 are exposed substantially evenly from the intermediate layer 14.

Abstract: A method of forming a mold having a protective layer includes forming a mold substrate having at least one substantially planar surface, depositing a layer of mold protection material onto the at least one substantially planar surface, and etching a plurality of cavities into the at least one substantially planar surface through the mold protection layer.

Abstract: A method is provided for manufacturing a microstructure on a substrate in which the substrate has thereon linear and parallel atomic steps. The microstructure includes linear elements that extend along the atomic steps. The method includes a step for preparing a substrate having atomic steps on its surface and a step for applying linear elements onto the substrate. Each linear element is oriented to extend along one of the atomic steps, with the result that a microstructure in which the linear elements extend along the atomic steps is formed on the substrate. The substrate can be prepared by subjecting a silicon carbide substrate, a sapphire substrate, or a zinc oxide substrate to an ultrasmoothing process. As the linear elements, peptide fibers can be employed that are made up of peptide molecules that form ?-sheet structures.

Abstract: A silicone mold comprising and oxidized, patterned surface and a layer of perfluoroether silane release agent is described. The mold enables 2nd generation silicone molds to be replicated, i.e. silicone molds from silicone molds.

Abstract: The present invention relates to curable coating compositions which when cured are substantially transparent and exhibit resistance to markings such as graffiti and scuffing and particulate buildup. In particular, the compositions of the present invention when cured provide protective coatings to surfaces to prevent absorption and/or wetting of ink compositions. The invention composition may also be used as mold release agents.

Abstract: A method of forming a working mold including: placing a substrate (610) on an electrode in a chamber, the substrate having at least a first structured surface (620) and the substrate including a thermoset polymeric material; introducing a release (630) layer forming gas into the chamber, wherein the release layer forming gas includes silicon containing gas and oxygen gas in an atomic ratio of not greater than about 200; providing power to the electrode to create a plasma of the release layer forming gas within the chamber; and depositing a release layer formed from the release layer forming gas on at least the first structured surface of the substrate to form a working mold.

Abstract: The invention provides is a process for producing a structure (22) with a metal film, including the steps of preparing a mother die (10) in which a first metal film (16) is formed on the surface of a base (12) on which a concave and convex pattern (14) is formed, forming a second metal film (18) on the first metal film (16), adhering a support member (20) to the second metal film (18), and separating the second metal film (18) to which the concave and convex pattern has been transferred to the second metal film (18) together with the support member from the first metal film (16). Preferably, the first metal film (16) is a film containing Cr and Al, and the second metal film (18) is a film containing at least one metal selected from the group consisting of Au, Ag, Cu, Al, and Pt.

Abstract: The mold has a mold surface on which is formed as a release film a water-repellent and oil-repellent fluorocarbon-based chemisorbed film having a thickness that is uniform in nanoscale and having a controlled surface energy. As a result, even when a mold has an ultrafine shape on the nanometer scale, the mold allows high precision molding excellent in fluidity and penetrativity of a molding material. In addition, this mold eliminates the application of a release agent and can prevent a release agent from adhering to a molded article.

Abstract: The present invention is directed to a method for the production of highly demanded pieces at low cost. The method is especially well suited for deep drawing dies, but also any other type of tooling. It is also very well suited for machine components of big dimensions and with high mechanical solicitations, like rotors and cages in wind mills and other big machines. The pieces or tools are cast with a low cost ceramic, like a high resistance concrete (with special mention to HPC or UHPC) or a low water admixture castable or any other low cost high mechanical resistance material (low cost ceramics or high resistance polymers are especially suited). Once cast, the working surface of the die or piece is coated with a metal, an intermetallic or a high performance ceramic. Projection or deposition techniques are used to obtain the high value working surface.

Abstract: In a ceramic tool and associated method of making it, a ceramic base is infused with a material. The material is preferably a metal based compound advantageously chrome oxide. The chemical formulation of the material can be modified in order to optimize the rate of material deposition and the desired surface performance. The depth of the infusion is advantageously 0.1 to 1 mm preferably 0.25 mm. The moulding surface of the tool may be treated to vapour or oat blasting. The resultant tool has a longer life and may be used without a release agent.

Abstract: This invention describes molds made from alicyclic co-polymers that are useful in the production of contact lenses and methods for their use.