Abstract: A preparation method for a transparent conductor, according to the present invention, comprises the steps of: a) preparing a laminate which has a transparent polymer layer and a conductive network sequentially laminated on a base material; and b) sinking the conductive network into the transparent polymer layer by applying energy to the laminate.

Abstract: A method and apparatus comprising a first composite layer and a second composite layer in which the second composite layer is associated with the first composite layer. The first composite layer and the second composite layer form a structure. The second composite layer has a conductivity configured to dissipate an electric charge on a surface of the structure and limit a flow of an electrical current in the second composite layer in which the electrical current is caused by an electromagnetic event.

Abstract: An implantable medical device having a sheath formed of a polymer material, wherein the sheath forms a reservoir attached to or around the implantable medical device, and wherein the reservoir is sealed with a biocompatible pressure responsive coating; wherein the biocompatible coating is stable for at least 7-day post implantation into a body, and can be mechanically ruptured by application of an exterior pressure generating force.

Abstract: Techniques are disclosed for systems and methods to provide magnetic carbon nanotube clusters configured to form electrically conductive coatings. A magnetic carbon nanotube cluster is formed by receiving a magnetic particle, forming a plurality of carbon nanotube catalyst nanoparticles on an outer surface of the magnetic particle, and forming a plurality of carbon nanotubes extending from the catalyst nanoparticles while the magnetic particle is levitated within a nanotube growth chamber to form the magnetic carbon nanotube cluster. A plurality of magnetic carbon nanotube clusters are suspended in a carrier fluid, the carrier fluid is flowed over a surface of an object, and a magnetic field is applied to the carrier fluid while it is flowing over the surface to cause the plurality of magnetic carbon nanotube clusters to form a coating on the surface of the object.

Abstract: A method for manufacturing a high performance thermoplastic matrix composite ballistic helmet includes forming/shaping highly consolidated helmet preforms free of wrinkles and with no cuts or seams from a flat stack of 0/90 uni-directional prepreg layers, both with and without carbon epoxy skins or layers, using a pressure forming process. The wrinkle free and no cuts pre-formed helmet shell is pre-heated and placed between match-metal dies in a compression molding press to be molded under constant pressure during heating at high temperature and cooling down to below 160° F. in less than 45 minutes.

Abstract: The invention relates to a composite material filament having rheological characteristics suitable for use in additive manufacturing by extrusion, a method for manufacturing a three-dimensional composite product with an additive manufacturing system from a filament of such composite material, and to a three-dimensional composite product obtained by an additive manufacturing system using such composite material. The filament is formed of material comprising semi-crystalline polylactic acid and chemical pulp of wood-based cellulose fibers, wherein the amount of chemical pulp of wood-based cellulose fibers is selected such that sufficient complex viscosity is obtained at melt state, such that upon additive manufacturing by extrusion, composite melt formed of the filament has a ratio of shear storage modulus to shear loss modulus G?/G? equal to or higher than 1.0 at a temperature equal to or higher than 133° C.

Abstract: (A) A reinforcing fiber, (B) a resin particle, and (C) a matrix resin are combined to prepare a resin composition which improves a reinforcing effect by the reinforcing fiber. The reinforcing fiber (A) contains a carbon fiber. The resin particle (B) contains a semicrystalline thermoplastic resin, the semicrystalline thermoplastic resin in the resin particle (B) has an exothermic peak in a temperature range between a glass transition temperature of the semicrystalline thermoplastic resin and a melting point of the semicrystalline thermoplastic resin, the peak being determined by heating the resin particle (B) at a rate of 10° C./min. by differential scanning calorimetry (DSC), and the resin particle (B) has an average particle size of 3 to 40 ?m. The semicrystalline thermoplastic resin may be a polyamide resin having a melting point of not lower than 150° C. (particularly, a polyamide resin having an alicyclic structure and a glass transition temperature of not lower than 100° C.

Abstract: The present invention relates to processes and apparatuses for producing hydrophobized fiber cement sheets as well as fiber cement sheets obtainable therewith. In particular, the present invention provides processes for manufacturing a hydrophobized fiber cement product, said process at least comprising the steps of: (i) forming at least one fiber cement film on a rotating sieve in contact with a fiber cement slurry in a vat; (ii) transferring said at least one fiber cement film from said sieve to a felt transport belt, (iii) applying a mist of a hydrophobizing agent to said at least one fiber cement film, and (iv) accumulating the fiber cement film on an accumulator roll via the felt transport belt, so as to form a hydrophobized fiber cement product. The present invention further relates to various uses of the fiber cement sheets obtainable by the processes of the invention in the building industry.

Abstract: A press molding apparatus includes two dies and press-molds a heated stampable sheet into a predetermined shape by using the two dies. The press molding apparatus includes a movable core provided in at least one of the two dies. The movable core is disposed at an inward side of an edge portion of a cavity. When receiving a pressure greater than or equal to a predetermined value, the movable core moves in such a direction that the cavity increases in volume.

Abstract: This invention relates to a composition comprising a semisolid epoxy resin containing a curative dispersed therein. The curative has a particle size such that at least 90% of the particles have a size below 25 pm at ambient temperature of 21° C., wherein the composition further comprises a diluent containing a particulate filler. The composition is used as matrix in prepregs. The use of the diluent increases peel strength of the composition when brought into contact with metal or wood substrate.

Abstract: Provided herein are methods of making composite materials. The methods may include infiltrating a carbon nanoscale fiber network with a ceramic precursor, curing the ceramic precursor, and/or pyrolyzing the ceramic precursor. The infiltrating, curing, and pyrolyzing steps may be repeated one or more times. Composite materials also are provided that include a ceramic material and carbon nanoscale fibers.

Abstract: Discussed is a touch panel including a base film, a first electrode formed on one surface of the base film, the first electrode being provided with a first sensor part including a first conductor, and a second electrode formed on the other surface of the base film, the second electrode being provided with a second sensor part including a second conductor different from the first conductor. The first sensor part has a higher resistance than a resistance of the second sensor part. A first area ratio, which is a ratio of an area, in which the first sensor part is formed, to an area inside an outer edge of the first sensor part is greater than a second area ratio, which is a ratio of an area, in which the second sensor part is formed, to an area inside an outer edge of the second sensor part.

Abstract: A method of press molding a molding material to form a vehicle body panel of fiber-reinforced resin matrix composite material, the vehicle body panel having a front A-surface and a rear B-surface, the method comprising the steps of: i. providing a heated mold tool having a lower mold part and an upper mold part, the upper mold part having a first molding surface for molding a front A-surface of the vehicle body panel and the lower mold part having a second molding surface for molding a rear B-surface of the vehicle body panel; ii. providing a multilaminar panel of molding material comprising at least one layer of fibers and at least one layer of resin, the multilaminar panel having first and second opposite major surfaces, a surface resin layer of the multilaminar panel being at or adjacent to the first major surface; iii. locating the molding material in the mold tool; iv. closing the mold tool to define a substantially closed mold cavity containing the molding material; v.

Abstract: A fiber-reinforced resin sheet and an integrally molded article are provided. The fiber-reinforced resin sheet comprises a nonwoven fabric made of reinforcing fibers having a thermoplastic resin (A) impregnated on one side of the nonwoven fabric. The fiber-reinforced resin sheet satisfies any one of the following conditions (I) and (II): (I) the nonwoven fabric has an area wherein the reinforcing fibers constituting the nonwoven fabric are exposed on the other side in the thickness direction of the nonwoven fabric, and (II) the nonwoven fabric has a thermoplastic resin (B) impregnated on the other side in thickness direction of the nonwoven fabric, and the nonwoven fabric has a reinforcing fiber volume ratio Vfm of up to 20% by volume, and wherein the thermoplastic resin (A) and the thermoplastic resin (B) form an interface layer in the sheet, and the interface layer has a concave-convex shape with a maximum height Ry of at least 50 ?m and an average roughness Rz of at least 30 ?m.

Abstract: A prosthesis for a synovial joint arthroplasty within a human body is provided.

Abstract: An electrical conductor includes a substrate; and a conductive layer disposed on the substrate and including a plurality of silver nanowires, wherein the silver nanowires exhibit a main peak assigned to a (111) crystal plane in an X-ray diffraction spectrum thereof, and a 2? full width at half maximum (FWHM) of the main peak after Gaussian fitting is less than about 0.40 degrees.

Abstract: A method whereby nanostructures aligned within a matrix material to define an aligned admixture are transferred into a receiving porous medium while substantially maintaining the nanostructure alignment such that the nanostructures may be aligned predominantly in a common direction within receiving porous medium. Resulting composite structures are also provided.

Abstract: A friction material includes a fiber base material, a friction modifier and a binder. The friction modifier includes two or more kinds of non-whisker-like titanate compounds. The non-whisker-like titanate compound includes non-whisker-like lithium potassium titanate. The friction material includes no copper component. Alternatively, a friction material includes a fiber base material, a friction modifier and a binder. The friction material includes a non-whisker-like titanate compound and a low-melting-point metal fiber. The friction material includes no copper component.

Abstract: A resin composition for a printed wiring board including: a cyanate compound represented by the following general formula (1); and an epoxy resin,

Abstract: Provided are surfaces comprising particles, which particles may possess, for example, antimicrobial or biosensing properties. Also provided are related methods for fabrication of the inventive articles. Also provided are systems and methods for treating fluids, objects, and targets with the inventive surfaces.

Abstract: A golf club shaft which satisfies strength and is lightweight is provided by the present invention. This golf club shaft comprises one or more fiber-reinforced resin layers, and is characterized by satisfying the following relationship (1), wherein x [mm] is the displacement in a cantilever bending test, M [g] is the mass of the golf club shaft, and L [mm] is the length thereof, and by satisfying the following strength standard values [1]-[4]: M×(L/1168)<49.66 e?0.0015x (relationship 1); [1] the three-point bending strength at T-90 (the position 90 mm apart from the smaller-diameter end) is 800 N or higher; [2] the three-point bending strength at T-175 (the position 175 mm apart from the smaller-diameter end) is 400 N or higher; [3] the three-point bending strength at T-525 (the position 525 mm apart from the smaller-diameter end) is 400 N or higher; and [4] the three-point bending strength at B-175 (the position 175 mm apart from the larger-diameter end) is 400 N or higher.

Abstract: A structural body of differing thicknesses are provided that is made of resin, and a method of manufacturing thereof, that can improve quality in a case in which plate thickness changing portions extend in plural directions. A first panel portion and a second panel portion are connected by a first gradually changing portion. The first panel portion and a third panel portion are connected by a second gradually changing portion. The second panel portion and the third panel portion are connected by a third gradually changing portion. Further, an opening portion is formed to pass-through a door inner panel at a position where respective extensions of the first gradually changing portion, the second gradually changing portion and the third gradually changing portion intersect one another as seen in a plate thickness direction.

Abstract: A method of press moulding a moulding material to form a moulded part of fiber-reinforced resin matrix composite material, the method comprising the steps of: i. providing a mould tool having a lower mould part and an upper mould part, the upper mould part having a first moulding surface for moulding a first moulded surface of the moulded part and the lower mould part having a second moulding surface for moulding a second moulded surface of the moulded part; ii. providing a multilaminar panel of moulding material comprising at least one layer of fibers and at least one layer of resin, the multilaminar panel having first and second opposite major surfaces, a surface resin layer of the multilaminar panel being at or adjacent to the first major surface and a dry fiber layer of the multilaminar panel forming the second major surface; iii.

Abstract: A method of press molding a molding material to form a molded part of fiber-reinforced resin matrix composite material, the method comprising the steps of: i. providing a mold tool having a lower mold part and an upper mold part, the upper mold part having a first molding surface for molding a first molded surface of the molded part and the lower mold part having a second molding surface for molding a second molded surface of the molded part; ii. providing a multilaminar panel of molding material comprising at least one layer of fibers and at least one layer of resin, the multilaminar panel having first and second opposite major surfaces, a surface resin layer of the multilaminar panel being at or adjacent to the first major surface; iii. locating the molding material in the mold tool; iv. closing the mold tool to define a substantially closed mold cavity containing the molding material, the closing step including the sub-steps of: a.

Abstract: A method of press molding a molding material to form a molded part of fiber-reinforced resin matrix composite material, the method comprising the steps of: i. providing a mold tool having a lower mold part and an upper mold part, the upper mold part having a first molding surface for molding a first molded surface of the molded part and the lower mold part having a second molding surface for molding a second molded surface of the molded part; ii. providing a multilaminar panel of molding material comprising at least one layer of fibers and at least one layer of resin, the multilaminar panel having first and second opposite major surfaces; iii. locating the molding material in the mold tool; iv. progressively closing the mold tool to define a substantially closed mold cavity containing the molding material, the closing step including: a. a preliminary closing phase to achieve mutual engagement between the lower and upper mold parts, b.

Abstract: A method of press molding a molding material to form a molded part of fiber-reinforced resin matrix composite material, the method comprising the steps of: i. providing a mold tool having a lower mold part and an upper mold part, the upper mold part having a first molding surface for molding a first molded surface of the molded part and the lower mold part having a second molding surface for molding a second molded surface of the molded part; ii. providing a multilaminar panel of molding material comprising at least one layer of dry fibers and at least one layer of resin, the multilaminar panel having first and second opposite major surfaces; iii. locating the molding material in the mold tool; iv. progressively closing the mold tool to define a substantially closed mold cavity containing the molding material, the closing step having: I. a first stage prior to both the first molding surface contacting the first major surface and the second molding surface contacting the second major surface and II.

Abstract: A nitride light-emitting diode (LED) fabrication method includes: providing a glass substrate; stacking a buffer layer structure composed of circular SiAlN layers and AlGaN layers with the number of cycles 1-5; growing a non-doped GaN layer, an N-type layer, a quantum well layer and a P-type layer. By using the low-cost glass the substrate that has a mature processing technology, and growing a SiAlN and an AlGaN buffer layer thereon, lattice mismatch constant between the substance and the epitaxial layer can be improved. Therefore, photoelectric property of the LED can be improved.

Abstract: A method of press molding a molding material to form a molded part of fiber-reinforced resin matrix composite material, the method comprising the steps of: i. providing a mold tool having a lower mold part and an upper mold part, the upper mold part having a first molding surface for molding a first molded surface of the molded part and the lower mold part having a second molding surface for molding a second molded surface of the molded part; ii. providing a multilaminar panel of molding material comprising at least one layer of dry fibers and at least one layer of resin, the multilaminar panel having first and second opposite major surfaces; iii. locating the molding material in the mold tool; iv.

Abstract: A composite laminate, method of forming same, and use for same are disclosed. One example of a composite laminate has multiple layers or plies (305A-305E) composed of generally parallel reinforcing fibers (315A-315E) embedded in a matrix (305M). The reinforcing fibers have orientations in the ranges of 3 to 8 degrees, ?3 to ?8 degrees, 10 to 40 degrees, ?10 to ?40 degrees, and approximately 90 degrees, the orientations being with respect to a predetermined axis (320), such as an axis of tension (T). A method of manufacturing a composite laminate includes laying a resin and fibers having these orientations and then curing the resulting laminate. One example of a use is for the skin on the fuselage or wing of an aircraft.

Abstract: A portable computing device includes a processor, a memory, and a portable computing device case that encloses one or more integrated circuits, including at least the processor and the memory. The case includes a molded fiber-reinforced polymer (FRP) material that includes a polymer material and elongated fibers that adhere to the polymer material and that have a property that varies over a length of the fibers along an elongation axis of the fibers, wherein an adhesion strength between the fibers and the polymer is determined at least in part by a property of the fibers that varies over a length of the fibers along the elongation axis.

Abstract: The invention refers to a process for the preparation of a microfibrous non-woven fabric based on polyester or polyamide microfibers immersed in a polyurethane matrix, and having a thickness equal to or less than 0.65 mm, a flat or slightly mottled appearance and a nap length of less than 350 ?m. The non-woven fabric is used for the preparation of coverings for consumer goods, particularly for the preparation of covers and cases for electronic products.

Abstract: A method of preparing a fiber-reinforced polymer composite is provided. The method includes (a) providing a swollen clay material; (b) chemically modifying a surface of the swollen clay material with an organosilane to form a silane-modified clay material; (c) intercalating the silane-modified clay material with a binder to form an intercalated clay material; and (d) melt compounding the intercalated clay material with a mixture comprising a polymer and fiber to form the fiber-reinforced polymer composite. A fiber-reinforced polymer composite is also provided.

Abstract: A resin composition, a printed circuit board using the composition, and a method of manufacturing the printed circuit board. The resin composition includes: a photopolymerizable compound, such as one having an ethylenically unsaturated bond which is polymerizable in a molecule, a photoinitiator, and a surface-modified silica by an alkyl sulfonated tetrazole compound.

Abstract: Provided is a thermosetting resin composition that contains 40 to 80 parts by volume of an inorganic filler with respect to 100 parts by volume of thermosetting resin solids and the inorganic filler. The inorganic filler contains (A) at least one type of particles selected from among gibbsite-type aluminum hydroxide particles and magnesium hydroxide particles having an average particle size (D50) of 1 to 15 ?m; (B) aluminum oxide particles having an average particle size (D50) of 1.5 ?m or less; and (C) a molybdenum compound, and the blending ratios (by volume) of the component (A), the component (B) and the component (C) with respect to 100% as the total amount of inorganic filler are component (A): 30 to 70%, component (B): 1 to 40%, and component (C): 1 to 10%.

Abstract: A graphene-nanomaterial composite, an electrode and an electric device including the graphene-nanomaterial composite and a method of manufacturing the graphene-nanomaterial composite include a graphene stacked structure including a plurality of graphene films stacked on one another; and a nanomaterial between the plurality of graphene films and bonded to at least one of the plurality of graphene films by a chemical bond.

Abstract: There are provided a conductive nanowire network, a conductive board and transparent electrode utilizing it, and a method for producing the same. The conductive nanowire network of the invention has essentially unbroken, continuous conductive nanowires randomly formed into a network. In the method for producing a conductive nanowire network according to the invention, nanofibers are applied in a random network-like fashion onto a substrate covered with a conductive layer, the conductive layer regions that are not covered with the nanofibers are removed, and then the nanofibers are removed. The network structure (wire diameter and network density) are also controlled to obtain a transparent electrode exhibiting both transparency and conductivity.

Abstract: There are provided a heat transfer part 21 having heat-receiving surfaces 211a and 211b which have curved surface shapes along side surfaces 111 and 121 of a stem 11 and a cylindrical part 12 and in which the stem 11 and the cylindrical part 12 can be fitted, and heat-dissipating surfaces 212a and 212b provided with projected and retracted portions 213a and 213b; and a casing 22 having the optical distributor 1 and the heat transfer part 21 mounted thereon, and having heat-receiving surfaces 222a and 222b provided with projected and retracted portions 223a and 223b engaged with the projected and retracted portions 213a and 213b.

Abstract: A hybrid cut-resistant fabric is a triple weave having non-metallic yarns on a top and bottom face and a metal wire that is integrally co-woven into a derivative weave structure. The top face and the bottom faces are secured to each other by top and bottom interface loops and the metal wire, that extends between the to and bottom faces, is secured to the top and bottom faces by top and bottom wire coupler loops. The metal wires extend in the warp and fill directions to create an integral wire grid that resists cut through. The hybrid cut-resistant fabric is flexible and cut resistant making it suitable for a variety of applications including luggage, apparel and sports equipment, for example.

Abstract: It is intended to provide a polyethylene powder which can offer a fiber excellent in resistance to end breakage, dimensional stability, and acid resistance and/or a microporous membrane excellent in dimensional stability and acid resistance, and a microporous membrane and a fiber which are obtained by forming the polyethylene powder. The present invention provides a polyethylene powder comprising: 0.5 ppm or higher and 3,000 ppm or lower of aluminum hydroxide having an average particle size smaller than 50 ?m; and 0.5 ppm or higher and 12 ppm or lower of a magnesium element, wherein the polyethylene has a viscosity-average molecular weight of 100,000 or larger.

Abstract: In an embodiment of the invention, a laminar composite has at least one interlaminar reinforced interface comprising a dispersion of binding-agent-treated low-dimensional nanoparticles with a large aspect ratio fixed between adjacent lamina by residues of the binding agents. In another embodiment of the invention, a method to prepare a laminar composite having reinforced interfaces involves the deposition of binding-agent-treated low-dimensional nanoparticles from a solution or suspension onto the surface or a prepreg sheet, where, optionally, after removal of the liquid that comprises the solution or suspension, sheets of the prepreg are layed-up and cured to form the laminar composite.

Abstract: The present invention provides an automobile interior sheet using a bioresin that includes: 5 to 100 parts by weight of a bioresin prepared from a starch extracted from at least one natural plant selected from the group consisting of corn, potato, sweet potato, sugar cane, bamboo, or similarities thereof; 30 to 100 parts by weight of a thermoplastic polyolefin (TPO) resin or a thermoplastic polyurethane (TPU) resin; 5 to 40 parts by weight of a compatibilizer; 0.1 to 1.5 part by weight of a lubricant; and 0.5 to 5 parts by weight of a crosslinking agent.

Abstract: Disclosed herein is a method for utilizing the exothermic energy generated by a low temperature cure reaction to access a high-temperature cure reaction, which is otherwise energetically inaccessible at a chosen tool temperature, thereby producing a cured resin matrix with properties closely matching to those produced via high-temperature cure reactions but achieved via a short cure time and low cure temperature. Also disclosed is a short-cure resin composition containing: (a) at least one multifunctional epoxy resin having an epoxy functionality of greater than 1; (b) a hardener composition containing (i) at least one aliphatic or cycloaliphatic amine curing agent having one or more amino groups per molecule; (ii) at least one aromatic amine curing agent having one or more amino groups per molecule; and optionally, (iii) an imidazole as curing accelerator. The improved properties of this resin composition include being curable at a temperature of ?120° C.

Abstract: The invention provides devices and methods for end and side derivatization of carbon nanotubes. Also facile methods to attach moieties and nanoparticles on the side walls and both ends are described. The invention provides hybide materials for analytical, and optoelectronic purposes as well as materials applications. Materials have improved properties in the areas of tensile, electrical and thermal conductivity.

Abstract: A bondable conductive ink comprising carbon nanotubes, larger diameter conductive particles having at least one dimension of at least 100 nanometers which are not carbon nanotubes, a polymer, and a solvent, and a method of producing this bondable conductive ink. The ink is highly suitable for producing circuit assemblies having non-conductive substrates upon which printed conductors, formed from the bondable conductive ink, may be easily and selectively interconnected to another circuit assembly device, and/or apparatus.

Abstract: Pre-impregnated composite material (prepreg) is provided that can be cured/molded to form composite parts having high damage tolerance and interlaminar fracture toughness. The matrix resin includes a thermoplastic particle component that includes a mixture of polyamide 12 particles and polyamide 11 particles.

Abstract: An apparatus includes a first array of transistor elements; a second array of carbon nano-elements formed above or below the first array of transistor elements; and a circuit coupled to the first array to access the carbon nano elements.

Abstract: Disclosed herein is a method for utilizing the exothermic energy generated by a low temperature cure reaction to access a high-temperature cure reaction, which is otherwise energetically inaccessible at a chosen tool temperature, thereby producing a cured resin matrix with properties closely matching to those produced via high-temperature cure reactions but achieved via a short cure time and low cure temperature. Also disclosed is a short-cure resin composition containing: (a) at least one multifunctional epoxy resin having an epoxy functionality of greater than 1; (b) a hardener composition containing (i) at least one aliphatic or cycloaliphatic amine curing agent having one or more amino groups per molecule; (ii) at least one aromatic amine curing agent having one or more amino groups per molecule; and optionally, (iii) an imidazole as curing accelerator. The improved properties of this resin composition include being curable at a temperature of ?120° C.

Abstract: A composite part including a resin matrix and fibers reinforcing the resin matrix in a first portion of the matrix. A second portion of the resin matrix is substantially devoid of fibers. The fibers may be in the form of a woven mat that defines an opening. Alternatively, the fibers may be loose fibers that are deposited in a mold that includes predetermined areas that are shielded from the deposit of the loose fibers. A method of making the composite part is disclosed in which a woven mat having an opening is filled with resin. Another method is also disclosed in which loose fibers are shielded from being deposited in a portion of the mold that is subsequently filled with resin.

Abstract: The present disclosure relates to a polyimide-graphene composite material and a method for preparing same. More particularly, it relates to a polyimide-graphene composite material prepared by adding modified graphene and a basic catalyst during polymerization of a polyimide precursor so as to improve mechanical strength and electrical conductivity and enable imidization at low temperature and a method for preparing same.

Abstract: The present invention provides a blend comprising one or more epoxy resins and a mixture which comprises 0.3 to 0.9 amine equivalent, per equivalent of epoxide of the epoxy resin used, of a hardener component a) and as hardener component b) a compound of the formula I, a process for preparing this blend, the use of the blend of the invention for producing cured epoxy resin, and an epoxy resin cured with the blend of the invention.