Abstract: The present invention relates to a multi-layer ceramic capacitor printed simultaneously with internal electrode and external electrode by employing an inkjet printing. A method for manufacturing the multi-layer ceramic capacitor comprising first external electrode, dielectric, internal electrode and second external electrode prints simultaneously the first external electrode; the internal electrode which is connected with the first external electrode and formed at an invaginated portion of the dielectric invaginated to allow one side to be opened at one portion; and the second external electrode which is formed integrally with the internal electrode by employing an inkjet printing. According to the present invention, a method for manufacturing the multi-layer ceramic capacitor resolves contact problems by printing integrally the internal electrode and the external electrode and reduces the manufacturing process.

Abstract: There are provided an ink composition, a metal thin film prepared using the same, and a method of preparing the same. The ink composition according to the present invention includes: gold-containing complex compound represented by the following Formula 1 (L and L? are at least one selected from a group consisting of diolefin and derivatives thereof, and X is at least one selected from a group consisting of chlorine (Cl), bromine (Br), and iodine (I), where m=an integer of 1˜10, n=an integer of 1˜10, o=an integer of 0˜10, and p=an integer of 0˜10); and a solvent dispersing the gold-containing complex compound. AumLnL?oXp??Formula 1 The present invention can provide ink composition that can be sintered at low temperature by being optionally printed, a metal thin film prepared using the same, and a method of preparing the same.

Abstract: The present invention relates to a multi-layer ceramic capacitor printed simultaneously with internal electrode and external electrode by employing an inkjet printing. A method for manufacturing the multi-layer ceramic capacitor comprising first external electrode, dielectric, internal electrode and second external electrode prints simultaneously the first external electrode; the internal electrode which is connected with the first external electrode and formed at an invaginated portion of the dielectric invaginated to allow one side to be opened at one portion; and the second external electrode which is formed integrally with the internal electrode by employing an inkjet printing. According to the present invention, a method for manufacturing the multi-layer ceramic capacitor resolves contact problems by printing integrally the internal electrode and the external electrode and reduces the manufacturing process.

Abstract: There is provided organic metal complexes for forming a metal thin layer, ink including the same, and a method for forming a metal thin layer using the same: wherein the organic metal complexes for forming a metal thin layer include Ag, and a ligand represented by the specific general formula; the organic metal complexes have an excellent stability and solubility toward a solvent; and the ink for forming a metal thin layer comprising the organic metal complexes is easy to form a metal thin layer of, and could be applied on the substrate consisting of material having low thermal stability because the ink can be decomposed at a low temperature.

Abstract: There is provided a substitutional electroless gold plating solution and a method for forming a gold plating layer using the same. The substitutional electroless gold plating solution includes an organic solvent, and an organic acid-based gold salt dissociated from the organic solvent to generate gold ions. The substitutional electroless gold plating solution can form a gold plating layer having a uniform thickness and enhance bonding strength with a base metal. Further, the substitutional electroless gold plating solution can form a gold plating layer using various printing methods.

Abstract: The present invention relates to an apparatus and a method of manufacturing metal nanoparticles, and more particularly to an apparatus including: a precursor supplying part which supplies a precursor solution of metal nanoparticles; a first heating part which is connected with the precursor supplying part, includes a reactor channel having a diameter of 1 to 50 mm, and is heated to the temperature range where any particle is not produced; a second heating part which is connected with the first heating part, includes a reactor channel having a diameter of 1 to 50 mm, and is heated to the temperature range where particles are produced; and a cooler which is connected with the second heating part and collects and cools metal nanoparticles produced at the second heating part which allows continuous mass production of metal nanoparticles.

Abstract: The present invention provides a method for manufacturing metal nanoparticles, comprising: dissociating at least one metal precursor selected from the group consisting of silver, gold and palladium; reducing the dissociated metal precursor; and isolating the capped metal nanoparticles with an alkyl amine. The present invention provides a method for manufacturing metal nanoparticles which can be performed with simpler equipment compared to the gas phase method, can provide metal nanoparticles in high yield by only using alkyl amine without using any surfactant in high concentration which further allows mass production, and can provide metal nanoparticles having high dispersion stability and uniform size of 1-40 nm.

Abstract: A multi-layer ceramic capacitor comprises dielectric sheets including a first external electrode, a first internal electrode joined to the first external electrode via an interposed dielectric portion, a second external electrode joined to the first internal electrode, and a second internal electrode joined to the first internal electrode.

Abstract: The present invention relates to a method for manufacturing metal nanoparticles including: preparing a first solution including a metal precursor and a non-polar solvent; preparing a second solution with adding a capping molecule presented by the following Formula 1 into the first solution; and stirring the second solution with applying heat, wherein R1 and R2 are independently —COOH, —NH2 or —CH3 but R1 and R2 cannot be —COOH at the same time, and x and y is independently an integer from 3 to 20 respectively and x+y is 20 to 40.

Abstract: The present invention relates to an apparatus and a method of manufacturing metal nanoparticles, and more particularly to an apparatus including: a precursor supplying part which supplies a precursor solution of metal nanoparticles; a first heating part which is connected with the precursor supplying part, includes a reactor channel having a diameter of 1 to 50 mm, and is heated to the temperature range where any particle is not produced; a second heating part which is connected with the first heating part, includes a reactor channel having a diameter of 1 to 50 mm, and is heated to the temperature range where particles are produced; and a cooler which is connected with the second heating part and collects and cools metal nanoparticles produced at the second heating part which allows continuous mass production of metal nanoparticles.

Abstract: A method for manufacturing metal nanoparticles, the method including forming a mixture by dissociating a metallic salt of a metal selected from the group consisting of Ag, Pd, Pt, Au and an alloy thereof as a metal precursor in fatty acid; and adding a metallic salt of a metal selected from the group consisting of Sn(NO3)2, Sn(CH3CO2)2, and Sn(acac)2 as a metallic catalyst into the mixture and mixing the mixture and the metallic salt. According to the method, metal nanoparticles have a uniform particle size distribution and a high yield by performing in a non-aqueous environment without using any organic solvent, and are environmentally friendly due to no use of a reducing agent.

Abstract: The present invention provides an electroactive solid-state actuator, including a solid polymer electrolyte film having first and second main surfaces facing each other, and first and second conductive polymer layers infiltrated into the first and second main surfaces of the solid polymer electrolyte film. Further, a method of manufacturing the electroactive solid-state actuator is provided, the method including preparing a solid polymer film having first and second main surfaces facing each other, infiltrating a monomer of a conductive polymer into the first and second main surfaces of the solid polymer film, followed by polymerization, to form first and second conductive polymer layers, and immersing the solid polymer film into an ionic liquid or liquid electrolyte to be converted to an electrically conductive polymer.

Abstract: Nickel nanoparticles including an aqueous solution including a nickel precursor, a surfactant, a hydrophobic solvent, and distilled water, the hydrophobic solvent being one or more compounds selected from the group consisting of hexane, cyclohexane, heptane, octane, isooctane, decane, tetradecane, hexadecane, toluene, xylene, 1-octadecene, and 1-hexadecene; a compound including hydrazine which is added to the aqueous solution to form a nickel-hydrazine complex; and a reducing agent added to the compound including the nickel-hydrazine complex.

Abstract: It provides a method for preparing metal nanoparticles using a metal seed and metal nanoparticles including the metal seed, the method including: preparing a solution by adding a polymer surfactant in an alcohol solvent; heating the solution; forming a metal seed by adding a first metal salt of at least one metal salt selected from the group consisting of platinum, palladium and iridium in the heated solution; and adding a second metal salt into the solution including the metal seed. This method allows the production of uniform-sized nanoparticles under high concentration conditions in high yield and mass production in which the metal nanoparticles have high dispersion stability so that they are suitable for various application.

Abstract: The present invention provides an electroactive solid-state actuator, including a solid polymer electrolyte film having first and second main surfaces facing each other, and first and second conductive polymer layers infiltrated into the first and second main surfaces of the solid polymer electrolyte film. Further, a method of manufacturing the electroactive solid-state actuator is provided, the method including preparing a solid polymer film having first and second main surfaces facing each other, infiltrating a monomer of a conductive polymer into the first and second main surfaces of the solid polymer film, followed by polymerization, to form first and second conductive polymer layers, and immersing the solid polymer film into an ionic liquid or liquid electrolyte to be converted to an electrically conductive polymer.

Abstract: The invention relates to Sn—Cu—Ag alloy nanoparticles, preparation method thereof and ink or paste using the alloy nanoparticles in which the alloy nanoparticles are suitable for metal ink having excellent electrical conductivity or solder materials having low calcinating temperature.

Abstract: Provided is a metal nanoparticle dispersion capable of suppressing spreadability at a room temperature and drying phenomenon at heating temperature. The metal nanoparticle dispersion includes metal particles; and an organic solvent having a viscosity of 10 mPa·s or more at a room temperature and a flash point of 100° C. or above.

Abstract: The present invention relates to an apparatus and a method of manufacturing metal nanoparticles, and more particularly to an apparatus including: a precursor supplying part which supplies a precursor solution of metal nanoparticles; a first heating part which is connected with the precursor supplying part, includes a reactor channel having a diameter of 1 to 50 mm, and is heated to the temperature range where any particle is not produced; a second heating part which is connected with the first heating part, includes a reactor channel having a diameter of 1 to 50 mm, and is heated to the temperature range where particles are produced; and a cooler which is connected with the second heating part and collects and cools metal nanoparticles produced at the second heating part which allows continuous mass production of metal nanoparticles.

Abstract: A method of producing an array type multi-layer ceramic capacitor is disclosed, comprising: forming dielectric films, forming dielectric sheets on which internal electrodes and interelectrode dielectrics formed on the same plane as the internal electrodes are printed simultaneously by spraying ink intended for internal electrodes and ink intended for dielectrics onto the dielectric film via a plurality of inkjet printer heads, stacking and compressing the dielectric sheets, cutting the stacked dielectric sheet to include a plurality of internal electrodes on the same plane as the dielectric sheet, and sintering the cut dielectric sheets. The array type multi-layer ceramic capacitor according to the invention can solve the problem of interlayer gaps by printing the dielectrics and internal electrodes simultaneously, and can solve the contact problem by printing the internal electrode and the external electrode as a single body.

Abstract: A method of manufacturing nickel nanoparticles and nickel nanoparticles thus produced, having superior dispersion stability and smooth surface, by reducing after forming nickel-hydrazine complex in a reverse microemulsion, where the method includes forming an aqueous solution including nickel precursor, surfactant, and hydrophobic solvent, forming nickel-hydrazine complex by adding a reducing agent that includes hydrazine to the mixture, and producing nickel nanoparticles by adding a reducing agent to the mixture that includes the nickel-hydrazine complex.