Patent application number | Description | Published |
20080282537 | Wiring forming method of printed circuit board - The present invention relates to a method for forming a wiring of a printed circuit board and more particularly, to a method including: preparing a base film; forming a wiring pattern with ink including metal nanoparticles on the base film by printing; and forming a wring by the induction heating of the base film on which the wiring pattern is formed. The method of the present invention which minimizes the thermal strain and thermal decomposition of a base film, provides an appropriate sintering process of wirings, shortens the manufacturing process, and exhibits excellent mechanical strength is provided by using the induction heating. | 11-20-2008 |
20090025510 | Method for manufacturing nickel nanoparticles - The present invention relates to a method for manufacturing nickel nanoparticles and more particularly to a method including preparing a mixture solution by adding a reducing agent, a dispersing agent and a nickel salt to a polyol; stirring and heating the mixture solution; and producing nickel nanoparticles by reacting the mixture solution, so that it allows mass production of nickel nanoparticles having uniformity of size 30 to 50 nm and high dispersibility. | 01-29-2009 |
20090031856 | Method for manufacturing metal nanoparticles - 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. | 02-05-2009 |
20090078915 | Nonaqueous conductive nanoink composition - The present invention relates to a non-aqueous conductive nanoink composition including 20 to 85 parts by weight of metal nanoparticles which is chosen from silver, copper, nickel, platinum, palladium, and gold; 0.5 to 10 parts by weight of a polymer having an anhydride group; 15 to 80 parts by weight of a non-aqueous organic solvent. | 03-26-2009 |
20090110619 | Apparatus for manufacturing metal nanoparticles - An apparatus for manufacturing metal nanoparticles is disclosed. The apparatus includes: a precursor supply unit configured to supply a precursor solution for metal nanoparticles, a transport device configured to transport the precursor solution, a heating unit connected with the precursor supply unit and configured to heat the precursor solution to a temperature range in which a production of metal nanoparticles occurs, and a cooling unit connected with the heating unit and configured to collect and cool metal nanoparticles produced at the heating unit, where the cooling unit includes: a channel, a tube surrounding the channel, and a circulator configured to supply a coolant to the tube. | 04-30-2009 |
20090120238 | Method of manufacturing metal nanoparticles - 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. | 05-14-2009 |
20090308645 | Printed circuit board and manufacturing method thereof - Disclosed are a printed circuit board and a manufacturing method thereof. The printed circuit board having a circuit pattern formed therein includes a substrate having a groove formed therein, the groove corresponding to the circuit pattern; a first circuit pattern formed inside the groove; and a second circuit pattern formed on the first circuit pattern, the second circuit pattern filling up the groove. | 12-17-2009 |
20100031774 | Apparatus and method for manufacturing metal nanoparticles - 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. | 02-11-2010 |
20100031848 | ALLOY NANOPARTICLES OF SN-CU-AG, PREPARATION METHOD THEREOF AND INK OR PASTE USING THE ALLOY NANOPARTICLES - 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. | 02-11-2010 |
20100072434 | METHOD FOR PREPARING METAL NANOPARTICLES USING MATAL SEED AND METAL NANOPARTICLES COMPRISING METAL SEED - 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. | 03-25-2010 |
20100319489 | APPARATUS AND METHOD FOR MANUFACTURING METAL NANOPARTICLES - 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 | 12-23-2010 |
20120272790 | ALLOY NANOPARTICLES OF SN-CU-AG, PREPARATION METHOD THEREOF AND INK OR PASTE USING THE ALLOY NANOPARTICLES - 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. | 11-01-2012 |