Abstract: A method and system for integrated circuit fabrication is disclosed. In an example, the method includes determining a first process parameter of a wafer and a second process parameter of the wafer, the first process parameter and the second process parameter corresponding to different wafer characteristics; determining a variation of a device parameter of the wafer based on the first process parameter and the second process parameter; constructing a model for the device parameter as a function of the first process parameter and the second process parameter based on the determined variation of the device parameter of the wafer; and performing a fabrication process based on the model.

Abstract: The present invention relates to a method for fabricating a three-dimensional porous fibrous microstructure, various three-dimensional porous fibrous microstructures fabricated by the method, an apparatus for detecting a biological marker and a drug delivery system comprising the microstructure. The porous fibrous microstructure of the present invention has excellent interconnectivity between pores and micropores and captures and delivers target particles at high efficiency, and thus can be usefully applied to biomedical applications including the detection of a biomarker and drug delivery.

Abstract: According to one embodiment, a nonwoven fiber mat for reinforcing a plate or electrode of a lead-acid battery includes a plurality of glass fibers and an acid resistant binder that couples the plurality of glass fibers together. The nonwoven fiber mat also includes a wetting component that is applied to the glass fibers and/or nonwoven fiber mat to increase the wettability of the nonwoven fiber mat such that the nonwoven fiber mat exhibits an average water wick height of at least 0.5 cm after exposure to water for 10 minutes conducted according to method ISO8787. The wetting component may be dissolvable in an acid solution of the lead-acid battery such that a significant portion of the nonwoven fiber mat is lost due to dissolving of the wetting component.

Abstract: A multilayered polymer composite film includes a first polymer material forming a polymer matrix and a second polymer material coextruded with the first polymer material. The second polymer material forms a plurality of fibers embedded within the polymer matrix. The fibers have a rectangular cross-section.

Abstract: A transparent flexible nanomesh having at least one conductive element and sheet resistance less than 300?/? when stretched to a strain of 200% in at least one direction. The nanomesh is formed by depositing a sacrificial film, depositing, etching, and oxidizing a first metal layer on the film, etching the sacrificial film, depositing a second metal layer, and removing the first metal layer to form a nanomesh on the substrate.

Abstract: Provided is a cation exchange membrane having excellent mechanical strength against folding and the like and capable of delivering stable electrolytic performance for a long time, an electrolysis vessel using the cation exchange membrane and a method for producing the cation exchange membrane. A cation exchange membrane 1 at least includes: a membrane body containing a fluorine-based polymer having an ion-exchange group; and two or more reinforcing core materials arranged approximately in parallel within the membrane body. The membrane body is provided with two or more elution holes 12 formed between the reinforcing core materials 10 adjacent to each other.

Abstract: The invention relates to a method for improving the mechanical strength of a ceramic matrix composite material of the SiC/SiC type, this composite material being obtained by (a) forming a fiber preform from 3rd generation silicon carbide fibers and (b) forming a ceramic matrix around the fiber preform, this ceramic matrix comprising silicon carbide. The method comprises a chemical etching treatment of the surface of the fibers by bringing said fibers into contact with a solution comprising an oxidizer, this treatment being carried out before step (a) or between steps (a) and (b).

Abstract: A method for fabricating a grating coupler having a bottom mirror in a semiconductor wafer including etching a trench from a top surface of a wafer and around a grating coupler formed in the wafer; etching a void underneath the grating coupler; etching a via into the void from the backside of the wafer; and depositing a mirror on the bottom of the grating coupler. Alternatively, additional oxide may be deposited on the bottom of the grating coupler prior to the deposition of the mirror such that a desirable oxide thickness on the bottom is achieved.

Abstract: Pillared particles of silicon or silicon-comprising material and a method of fabricating the same are disclosed. These particles may be used to create both a composite anode structure with a polymer binder, a conductive additive and a metal foil current collector, and an electrode structure. The structure of the particles overcomes the problems of charge/discharge capacity loss.

Abstract: A composite interbody spinal implant including a body having a top surface, a bottom surface, opposing lateral sides, and opposing anterior and posterior portions; a first integration plate affixed to the top surface of the body; and an optional second integration plate affixed to the bottom surface of the body. At least a portion of the first integration plate, optional second integration plate, or both has a roughened surface topography including macro features, micro features, and nano features, without sharp teeth that risk damage to bone structures, adapted to grip bone through friction, inhibit migration of the implant, and promote bone growth. Also disclosed are processes of fabricating a roughened surface topography, which may include separate and sequential macro processing, micro processing, and nano processing steps.

Abstract: A chassis and a method of manufacturing a chassis of an information handling system are disclosed. The chassis includes a carbon-fiber composite and a plurality vents of formed in the carbon-fiber composite. Each of the plurality of vents is a channel extending through the carbon-fiber composite.

Abstract: A method for preparing a copper alloy given a certain special surface shape yields tremendous bonding strength through compatibility with an epoxy resin adhesive. With a composite part in which this technology is utilized to integrate a copper alloy member as a cover material with a CFRP, it is possible to take advantage of the characteristics of both the copper alloy and the FRP due to the tremendous bonding strength. In a step in which an FRP prepreg is put into a mold and heated and cured, usually the mold is first coated with a release agent to facilitate release from the mold, but with high-technology CFRP, bleeding of the release agent often diminishes the properties. A copper alloy sheet 21 is used as a cover material, and a CFRP 22 is cured.

Abstract: A method of manufacturing a composite concrete article comprising affixing at least one layer of textile to a base layer and incorporating the base layer into a body of wet uncured concrete such that the base layer becomes embedded in the concrete, whereby at least a portion of the at least one textile layer defines at least a portion of a surface of the cured concrete article with the base layer embedded within the concrete to anchor the textile layer to the concrete.

Abstract: Provided is a stretchable antenna including an elastic body that is stretchable and a conductive material disposed on the elastic body. The stretchable antenna may maintain stable characteristics in spite of numerous deformations. The stretchable antenna may be used as an antenna for a wireless communication device formed on a human body or clothing.

Abstract: Carbon nanostructures free of an adhered growth substrate can include a plurality of carbon nanotubes that are branched, crosslinked, and share common walls with one another. Under applied shear, crosslinks between the carbon nanotubes in carbon nanostructures can break to form fractured carbon nanotubes that are branched and share common walls. Methods for making polymer composites from carbon nanostructures can include combining a polymer matrix and a plurality of carbon nanostructures that are free of an adhered growth substrate, and dispersing the carbon nanostructures in the polymer matrix under applied shear. The applied shear breaks crosslinks between the carbon nanotubes to form a plurality of fractured carbon nanotubes that are dispersed as individuals in the polymer matrix. Polymer composites can include a polymer matrix and a plurality of fractured carbon nanotubes dispersed as individuals in the polymer matrix.

Abstract: A method of making a variably reinforced elongate medical device includes braiding a reinforcing sleeve from a first strand including a first material and a second strand including a second material, exposing a portion of the braided reinforcing sleeve to a selected environmental stimulus or contacting the portion of the braided reinforcing sleeve with a selected substance, to thereby substantially modify the first strand in the respective exposed or contacted portion, and removing the substantially modified first strand from the respective exposed or contacted portion of the braided reinforcing sleeve, while the second strand is retained in the respective exposed or contacted portion.

Abstract: Chemical burnout is used on fabrics having beaded and/or glittered areas to create embroidery that realistically simulates hand-sewn embroidery. A chemical fluid etchant is printed only on selected areas of a pattern on a fabric of cellulose fibers. Preferably, the fabric is a composite fabric that also has non-cellulose fibers. A curable fluid adhesive is printed only on other selected areas of the pattern. Ornamental particles are deposited onto the curable adhesive. The composite fabric is heated to cure the adhesive and fix the particles to the other selected areas, and to simultaneously activate the etchant to dissolve the cellulose fibers at the selected areas. The chemical etchant is removed by rinsing the composite fabric.

Abstract: An electrically interconnected mass includes elongated structures. The elongated structures are electrochemically active and at least some of the elongated structures cross over each other to provide intersections and a porous structure. The elongated structures include doped silicon.

Abstract: A method for manufacturing a carbon nanotube needle is provided. A carbon nanotube film comprising of a plurality of commonly aligned carbon nanotubes, a first electrode, and a second electrode are provided. The carbon nanotube film is fixed to the first electrode and the second electrode. An organic solvent is applied to treat the carbon nanotube film to form at least one carbon nanotube string.

Abstract: The present disclosure relates to a method for making a transmission electron microscope grid. The method includes: (a) providing a substrate with a graphene layer on a surface of the substrate; (b) applying a carbon nanotube film structure to cover the graphene layer; (c) removing the substrate, to obtain a graphene layer-carbon nanotube film composite structure; and (d) placing the graphene layer-carbon nanotube film composite structure on a grid.

Abstract: Composite filtering structures comprising nanofibres spatially distributed between microfibers, wherein on the nanofibers and on the microfibers a palisade of protrusions of nanometric sizes in the form of nano-protrusions is produced, which palisade comprises nano-protrusions oriented with respect to the fibre surface at an angle ranging from about 70° to about 120°. A method of obtaining such composite filtering structures by a method that includes feeding a thermoplastic material from an extruder to at least one fibre formation die, stretching formed fibres coming out from the die, which fibres being still in a molten phase, to smaller sizes by a stream of hot air flowing tangentially to the fibres, collecting the fibres after their solidification and thus forming a mat of packed fibres providing a filtering structure , and subjecting the filtering structure to chemical etching.

Abstract: The present invention relates to methods of generating liquidphobic surfaces, and surfaces prepared by these methods. The methods include generating sub-micron-structured surfaces and coating these surfaces with a liquidphobic coating, such as a hydrophobic coating.

Abstract: The present disclosure relates to a method for selectively etching-back a polymer matrix to expose tips of carbon nanotubes comprising: a. growing carbon nanotubes on a conductive substrate; b. filling the gap around the carbon nanotubes with a polymeric fill matrix comprising at least one latent photoacid generator; and c. selectively etching-back the polymeric fill matrix to expose tips of the carbon nanotubes.

Abstract: An embodiment of a method of suspending a graphene membrane across a gap in a support structure includes attaching graphene to a substrate. A pre-fabricated support structure having the gap is attached to the graphene. The graphene and the pre-fabricated support structure are then separated from the substrate which leaves the graphene membrane suspended across the gap in the pre-fabricated support structure. An embodiment of a method of depositing material includes placing a support structure having a graphene membrane suspended across a gap under vacuum. A precursor is adsorbed to a surface of the graphene membrane. A portion of the graphene membrane is exposed to a focused electron beam which deposits a material from the precursor onto the graphene membrane. An embodiment of a graphene-based structure includes a support structure having a gap, a graphene membrane suspended across the gap, and a material deposited in a pattern on the graphene membrane.

Abstract: Methods for removing coatings from metal components, such as metal components used in aircraft and other aerospace vehicles and the oil industry. The method may include removing an outer layer of a coating with a first stripping operation, removing an inner layer of the coating with a second stripping operation, and specifying an aqueous bath for either the first stripping process based upon an element in the outer layer or the second stripping process based upon an element in the inner layer.

Abstract: An epitaxial substrate is provided, the epitaxial substrate is used to grow epitaxial layer. The epitaxial substrate includes a base having a number of grooves to form a patterned epitaxial growth surface. The patterned epitaxial growth surface is referred as an epitaxial growth surface. A carbon nanotube layer covers on the epitaxial growth surface, and the carbon nanotube layer corresponding to the grooves is suspended on the epitaxial substrate.

Abstract: A method of manufacturing a composite concrete article comprising affixing at least one layer of textile to a base layer and incorporating the base layer into a body of wet uncured concrete such that the base layer becomes embedded in the concrete, whereby at least a portion of the at least one textile layer defines at least a portion of a surface of the cured concrete article with the base layer embedded within the concrete to anchor the textile layer to the concrete.

Abstract: In a method of making a monolithic elongated nanowire, a mask polymer layer is applied to a selected crystal surface of a seed crystal. A plurality of spaced apart elongated openings is defined through the mask polymer layer, thereby exposing a corresponding plurality of portions of the crystal surface. The openings are disposed so as to be aligned with and parallel to a selected crystal axis of the seed crystal. The portions of the crystal surface are subjected to a chemical nutrient environment that causes crystalline material to grow from the plurality of portions for at least a period of time so that monocrystalline members grow from the elongated openings and until the monocrystalline members laterally expand so that each monocrystalline member grows into and merges with an adjacent one of the monocrystalline members, thereby forming a monolithic elongated nanowire.

Abstract: The mention relates to a sheet coating article (1) intended to be applied to a wall (50), characterised in that it comprises: a tightly tined substrate (10), and a coating layer (20) disposed on the tightly tilting substrate (10).

Abstract: Disclosed is an artificial leather containing a non-woven fabric composed of ultra micro fibers and impregnated with an polymeric elastomer, wherein a residual shrinkage ratio of the artificial leather at 30% stretching is 10% or less in a machine direction and is 20% or less in a cross-machine direction. The artificial leather has optimal residual shrinkage ratios, and specifically a residual shrinkage ratio in a machine direction of 10% or less and a residual shrinkage ratio in a cross-machine direction of 20% or less, when the artificial leather is stretched by 30%. As a result, the artificial leather which has stretched during the process for shape-formation can easily contract and restore, and thus avoid creasing even when applied to the products having many curved parts.

Abstract: Methods of fabricating a substantially interconnected model vasculature, as well as compositions formed from such methods are provided. In some embodiments, the methods may comprise forming a non-woven fiber network comprising a plurality of fibers and a void space; backfilling the void space of the fiber network; and removing the fibers to form a substantially interconnected vascular network.

Abstract: Artificial leather with optimal elongation and a method for manufacturing the same is disclosed, the artificial leather comprising a non-woven fabric with micro-fibers and a polymeric elastomer impregnated into the non-woven-fiber, wherein the polymeric elastomer is 20 to 30% by weight with respect to a total weight of the artificial leather, and a density of the non-woven fabric is within the range of 0.160 to 0.250g/cm3, wherein the artificial leather can be easily used for the goods with lots of flexed regions, for example, the headliner of vehicle.

Abstract: The present disclosure relates to a method for selectively etching-back a polymer matrix to expose tips of carbon nanotubes comprising: a. growing carbon nanotubes on a conductive substrate; b. filling the gap around the carbon nanotubes with a polymeric fill matrix comprising at least one latent photoacid generator; and c. selectively etching-back the polymeric fill matrix to expose tips of the carbon nanotubes.

Abstract: A method for producing a fiber membrane of nanofibers that have both smooth and porous surface features. The method includes materials processing using polymer mixes with solvents and melt polymers with additives. The method includes nanomaterial incorporation onto a fiber structure after formation of the fiber structure. The fiber structure can be a part of a nanoparticle carrier material, a nanoparticle disposal medium, a lighting medium, and a catalysis medium.

Abstract: A pressure sensor (10 for medical applications comprises a silica optical fiber extrinsic Fabry-Perot interferometric (EFPI) pressure sensor (2) and an in-fiber Bragg grating (FBG, 3). The cavity of the EFPI pressure sensor (2) is formed by the end face of the FBG (3), a glass capillary (5) and a glass diaphragm (6). The glass diaphragm (6) is secured in place by a fusion splice (7) and the glass capillary (5) by a fusion splice (8). As illustrated, incident light is directed into the FBG 3 and there are reflections in the EFPI pressure sensor (2). Applied pressure causes a deflection of the glass diaphragm (6) and hence modulation of the EFPI sensor (2) cavity. The FBG (3) is used as a reference sensor to eliminate temperature cross-sensitivity of the EFPI pressure sensor (2). The EFPI cavity was fabricated using a 200 ?m silica glass fiber, a 133/220 ?m (inner/outer diameter) silica glass capillary and a standard telecommunication FBG.

Abstract: A stress-engineered microspring is formed generally in the plane of a substrate. A nanowire (or equivalently, a nanotube) is formed at the tip thereof, also in the plane of the substrate. Once formed, the length of the nanowire may be defined, for example photolithographically. A sacrificial layer underlying the microspring may then be removed, allowing the engineered stresses in the microspring to cause the structure to bend out of plane, elevating the nanowire off the substrate and out of plane. Use of the nanowire as a contact is thereby provided. The nanowire may be clamped at the tip of the microspring for added robustness. The nanowire may be coated during the formation process to provide additional functionality of the final device.

Abstract: A method for manufacturing a non-woven fabric for automotive interior materials includes printing on at least one of a front surface and a back surface of the non-woven fabric. Alkaline etching is performed on the front surface of the non-woven fabric.

Abstract: Various embodiments of the present invention provide systems and methods for etching carpets and carpet substrates. More particularly, various embodiments direct a laser beam at a carpet substrate such that energy is transferred to the carpet substrate in the form of heat. This heat alters the portion of the carpet substrate surface struck by the laser. The laser beam is guided along a pre-determined path to create a desired pattern in the carpet substrate. The desired pattern may include variations in the depth of etching of the carpet substrate.

Abstract: One embodiment of the invention provides a method of manufacturing a filter material such as carbon suitable for use in a smoking article. The method includes modifying the filtration properties of the filter by altering the surface of the filter material. The surface alteration is performed by plasma processing and can be used, for example, to increase the acidic or basic properties of the surface. Another embodiment of the invention provides a filter produced by such a method.

Abstract: A method is provided for fabricating a construction (10) having a functional side (12). The method includes the steps of: supplying a flexible substrate (20); attaching one or more structures (30) to the substrate (20) on a surface or side thereof facing the functional side (12) of the construction (10); and forming one or more features, for example, such as fibrils (39), on at least one of the structures (30), wherein the features have at least one dimension which is at least one of micro-sized or nano-sized.

Abstract: Pillared particles of silicon or silicon-comprising material and a method of fabricating the same are disclosed. These particles may be used to create both a composite anode structure with a polymer binder, a conductive additive and a metal foil current collector, and an electrode structure. The structure of the particles overcomes the problems of charge/discharge capacity loss.

Abstract: The invention relates to carbon nanotube arrays and methods for the preparation and modification of carbon nanotube arrays. The method includes synthesizing a plurality of carbon nanotubes on a substrate such that the carbon nanotubes are substantially vertically aligned and exposing the array to a plasma to change the topography of the array, change the structure or chemical nature of the individual nanotubes, remove at least a portion of the carbon nanotubes, and/or removing nanotubes to expose monodispserse groupings of nanotubes.

Abstract: A method of forming an adhesive force includes removing a seta from a living specimen, attaching the seta to a substrate, and applying the seta to a surface so as to establish an adhesive force between the substrate and the surface. The seta is applied to the surface with a force perpendicular to the surface. The seta is then pulled with a force parallel to the surface so as to preload the adhesive force of the seta.

Abstract: An industrial fabric, belt or sleeve and a method of making the fabric, belt or sleeve are disclosed. The industrial fabric, belt or sleeve is produced by spirally winding strips of polymeric material, such as an industrial strapping or ribbon material, and joining the adjoining sides of the strips of material using ultrasonic welding or laser welding techniques. The fabric, belt or sleeve may then be perforated using a suitable technique to make it permeable to air and/or water.

Abstract: An integrated product whose joint strength between a copper alloy and a carbon fiber prepreg is extremely high. A copper alloy given a certain special surface shape yields tremendous bonding strength through compatibility with an epoxy resin adhesive. With a composite part in which this technology is utilized to integrate a copper alloy member as a cover material with a CFRP, it is possible to take advantage of the characteristics of both the copper alloy and the FRP due to the tremendous bonding strength. In a step in which an FRP prepreg is put into a mold and heated and cured, usually the mold is first coated with a release agent to facilitate release from the mold, but with high-technology CFRP, bleeding of the release agent often diminishes the properties. A copper alloy sheet 21 is used as a cover material, and a CFRP 22 is cured.

Abstract: A method of fabricating fibres of silicon or silicon-based material comprises the steps of etching pillars on a substrate and detaching them. A battery anode can then be created by using the fibres as the active material in a composite anode electrode.

Abstract: A dry adhesive and a method of forming a dry adhesive. The method includes forming an opening through an etch layer and to a barrier layer, expanding the opening in the etch layer at the barrier layer, filling the opening with a material, removing the barrier layer from the material in the opening, and removing the etch layer from the material in the opening.

Abstract: A method for forming a nanostructure, a nanostructure and a device using the nanostructure, wherein hydroxide ions are provided to a surface of a nanostructure including a piezoelectric material in order to etch an outer surface of the nanostructure. In an exemplary embodiment, the nanostructure may be etched by contacting the nanostructure with a basic solution. In other exemplary embodiments the etching of the nanostructure may be performed while controlling at least one of the concentration of the basic solution, the temperature of the basic solution and the etching time. The resultant nanostructure includes a piezoelectric material and has an etched outer surface. The nanostructure may be applied to various devices.

Abstract: A method for making a carbon nanotube film includes the steps of providing an array of carbon nanotubes, treating the array of carbon nanotubes by plasma, and pulling out a carbon nanotube film from the array of carbon nanotubes treated by the plasma.

Abstract: A method for manufacturing an optical fiber probe includes the steps of providing an optical fiber including a core and a outer protective layer disposed therearound; removing a portion of the outer protective layer to expose a portion of the core; etching the exposed portion of the core to achieve a predetermined shape and thus form a detector; surrounding the detector with a gel solution containing metal particles; and evaporating a solvent in the gel solution to form a metal layer on the surface of the detector.