| KOREA INSTITUTE OF MACHINERY AND MATERIALS Patent applications |
| Patent application number | Title | Published |
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| 20120094841 | METHOD OF PREPARING MgB2 SUPERCONDUCTING WIRE AND THE MgB2 SUPERCONDUCTING WIRE PREPARED THEREBY - Disclosed herein is a method of preparing a MgB | 04-19-2012 |
| 20110281127 | PREPARATION METHOD OF HYDROXYAPATITE COATING LAYER USING AEROSOL DEPOSITION AND HYDROTHERMAL TREATMENT, AND NANOSTRUCTURED HYDROXYAPATITE COATING LAYER PREPARED BY THE METHOD - A method of preparing a nano-structured hydroxyapatite [Ca | 11-17-2011 |
| 20110226391 | C+N AUSTENITIC STAINLESS STEEL HAVING HIGH STRENGTH AND EXCELLENT CORROSION RESISTANCE, AND FABRICATION METHOD THEREOF - A C+N austenitic stainless steel with high mechanical strength and excellent corrosion resistance and a fabrication method thereof are provided. The C+N austenitic stainless steel consists of: 8 to 12 wt. % manganese; 15 to 20 wt. % chromium; 2 wt. % or less nickel; 4 wt. % or less tungsten; 2 wt. % or less molybdenum; 0.6 to 1.0 wt. % of total C+N content; a balance of iron; and unavoidable impurities. The austenitic stainless steel fabricated provides mechanical properties of a tensile strength of 850 MPa or higher and an uniform elongation of 45% or higher, obtained through controlling the contents of the interstitial elements and those of the substitutional elements. The alloy also provides corrosion resistance and a biocompatibility due to the minimized content of nickel which causes allergic reaction to the human body. Therefore, the C+N austenitic stainless steel is applicable in the fabrication of a variety of functional components and structural fields. | 09-22-2011 |
| 20110108116 | P-type NiO conducting film for organic solar cell, a method for preparation of NiO conducting film, and an organic solar cell with enhanced light-to-electric energy conversion using the same - A p-type NiO conducting film for an organic solar cell, a preparation method thereof, and an organic solar cell using the same and having enhanced power conversion efficiency, are provided, wherein the NiO conducting film is fabricated by vacuum sputtering in which nickel or nickel oxide is used as a target material, and argon, oxygen or the mixed gas of the argon and the oxygen is supplied. The p-type NiO conducting film may be easily prepared by vacuum sputtering, and since a n-type conducting film is prepared by simply coating sol-phase precursor solution, the NiO conducting film and the organic solar cells having the NiO conducting film in the order of the NiO conducting film, a photoactive layer, and a n-type conducting film, have enhanced electric energy conversion. As a result, the provided disclosure is useful particularly when applied in organic solar cells and organic light emitting devices. | 05-12-2011 |
| 20110100458 | Multi-layer thin film for encapsulation and method thereof - A multi-layer thin film for encapsulation and the method thereof are provided. The multi-layer thin film for encapsulation includes a protective layer composed of aluminum oxide, a single or double barrier layer composed of silicon nitride (SiN | 05-05-2011 |
| 20110094889 | METHOD FOR FABRICATING HIGHLY CONDUCTIVE FINE PATTERNS USING SELF-PATTERNED CONDUCTORS AND PLATING - Provided is a method for forming a highly conductive micropattern, including: depositing a polymer material on a substrate; removing a portion of the polymer material to form a mask template having a dent through which a portion of the substrate is exposed to the exterior; depositing conductive ink to the top of the mask; heat treating the conductive ink in order to extract metal nanoclusters from a metallic compound dissolved in the conductive ink, wherein the portion coated with the polymer material is allowed to form an insulating pattern having electrically insulating property, while the conductive ink in the dent forms a conductive pattern having electroconductive property by the fusion of the metal nanoclusters extracted from the conductive ink; and plating a metallic material on the conductive pattern. | 04-28-2011 |
| 20110061734 | METHOD FOR FORMING NANO SIZE TURF ON TRANSPARENT POLYMER FILMS USED IN SOLAR CELLS, AND METHOD FOR ENHANCING TRANSMITTANCE OF TRANSPARENT POLYMER FILMS OF SOLAR CELLS - The method for forming nano size turfs on a surface of a transparent polymer film used in a solar cell is disclosed, which comprises a first step for attaching a transparent polymer film on a glass, a second step for installing the glass prepared in the first step on an upper side of the electrodes provided in the interior of a chamber and forming either a vacuum environment or an atmospheric environment, and a third step for supplying an electric power to the electrodes under the environment formed in the second step, etching the transparent polymer film attached on the surface of the glass and forming nano size turfs in circular cone shapes. | 03-17-2011 |
| 20110033142 | HYBRID AIR FOIL BEARING AND METHOD OF MANUFACTURE - An air foil bearing includes a top foil, one or more orifice tubes and two or more bump foil strips disposed within a housing. The top foil is forms a substantially circular shape having one or more sets of top foil orifice holes. Each set of top foil orifice holes has at least three top foil orifice holes along a circumference of the top foil. An orifice tube is provided for each set of top foil orifice holes. The orifice tube includes a flat side having a set of tube orifice holes connected to an outer surface of the top foil. The bump foil strip is attached to the outer surface of the top foil adjacent to each side of each orifice tube. Another embodiment uses a housing with an inner surface having a curved polygonal cross-sectional shape with an odd number of curved sides. | 02-10-2011 |
| 20110028305 | FABRICATION METHOD FOR FUNCTIONAL SURFACE - Provided is a fabrication method for a functional surface that has self-cleaning ability and superhydrophilic anti-reflective property, which includes a) arranging a plurality of beads having a sphere shape on a surface of a transparent substrate; b) forming a predetermined inter-bead gap by etching the plurality of beads; c) forming a surface unevenness on the surface of the substrate by etching the substrate using the plurality of the beads having the predetermined gap as an etching mask; d) removing the plurality of the beads from the surface of the substrate; and e) forming a photocatalytic layer or a compound layer having a surface tension of 18 to 28 N/m on the surface of the substrate formed with the surface unevenness. | 02-03-2011 |
| 20100323122 | Method for making fine patterns using mask template - Provided is a method for forming a micropattern using a mask template. The method includes: forming a mask template on a substrate, wherein the mask template has an exposure section through which a portion of the substrate is exposed to the exterior and a non-exposure section provided by a polymer material applied on the remaining portion of the substrate; supplying conductive ink to the top of the mask template to deposit the conductive ink on the non-exposure section and on the substrate exposed through the exposure section; and heat treating the conductive ink in order to extract the conductive ink nanoclusters dissolved or dispersed in the conductive ink, wherein the conductive ink nanoclusters disposed on the non-exposure section are bound to the non-exposure section to form an insulating pattern having electrical insulating property, while the conductive ink nanoclusters disposed on the substrate form a conductive pattern having electroconductive property. The method enables formation of a micropattern without any alignment error between patterns in the case of a direct printing process. | 12-23-2010 |
| 20100259358 | HIGHLY DENSE AND NON-GRAINED SPINEL NTC THERMISTOR THICK FILM AND METHOD FOR PREPARING THE SAME - Disclosed herein are a highly dense and nano-grained NTC thermistor thick film and a method for preparing the same, and specifically, an NTC thermistor thick film vacuum deposited by spraying a spinel grained ceramic powder containing Ni and Mn on one side of the surface of a substrate using a room temperature powder spray in vacuum (AD) and a method for preparing the same. According to the present invention, a room temperature powder spray in vacuum (AD) may be used to perform a rapid deposition of NTC thermistor thick films and prepare a highly dense ceramic thick film, the NTC characteristic constant B which would be obtained by doping may be maximized without doping, demagnetization may be obtained without any additional heat treatment, and thus limitations on substrate that the conventional art has may be completely overcome. | 10-14-2010 |
| 20100146939 | INNER FLAME BURNER FOR REGENERATION OF DIESEL PARTICULATE FILTER - Provided is a burner for regenerating a diesel engine particulate filter. The burner includes: a combustion chamber for receiving exhaust gas from a diesel engine; a carburetor for gasifying liquid fuel; a mixed gas supplying unit for mixing the gasified fuel with an external air, and supplying the mixed gaseous fuel to the combustion chamber; a mixed gas storing chamber disposed in the combustion chamber for receiving the mixed gaseous fuel and instantly storing the received mixed gaseous fuel; an inner flame combustor made of porous material for injecting the mixed gaseous fuel toward the inside of the inner flame combustor, and disposed in the combustion chamber to allow an exhaust gas to flow through the inner flame combustor; an igniter for igniting the mixed gaseous fuel; and a flame sensor for sensing the flame on the inner flame combustor. | 06-17-2010 |
| 20100038342 | PREPARATION OF SUPER WATER REPELLENT SURFACE - A super water repellent surface is prepared by arranging plural spherical beads on a substrate surface to form a (N)-th bead layer, etching the substrate surface with the (N)-th bead layer as an etching mask, arranging plural spherical beads, which are larger than the (N)-th beads in diameter, on the substrate surface to form a (N+1)-th bead layer, etching the substrate surface with the (N+1)-th bead layer as an etching mask, removing the beads from the etched substrate surface and coating a fluorine compound on the substrate surface on which a hierarchical concavo-convex structure has been formed. The (N+1)-th bead layer forming step and the (N+1)-th etching step are repeated N times. | 02-18-2010 |
| 20100008831 | PLASMA REACTION APPARATUS, PLASMA REACTION METHOD USING THE SAME, PLASMA REACTION METHOD OF PERSISTENT GAS, AND APPARATUS FOR DECREASING NOx BY OCCLUSION CATALYST - The present invention relates to a plasma reaction apparatus and a plasma reaction method using the same. More particularly, the present invention relates to a plasma reaction apparatus which is applied to the reforming of fuel by generating rotating arc plasma and using the rotating arc being generated, the chemical treatment of a persistent gas, and the apparatus for decreasing NOx by an occlusion catalyst, and a plasma reaction method using the same. For this purpose, a raw material for a reaction is allowed to flow through an inflow hole in a swirl structure so that the raw material forms a rotating flow to progress. Accordingly, the raw material is sufficiently reacted in a plasma reaction space of a restrictive volume, and a high temperature plasma reaction is more promptly performed. Furthermore, a plasma reaction zone is expanded, prior to discharge, by a broad area chamber formed as the width of an upper part of a furnace is expanded, and plasma being generated is expanded and stayed as a pointed end spaced from an electrode at a predetermined interval is formed at an expanded end. Accordingly, the present invention relates to a plasma reaction apparatus and a plasma reaction method using the same, a plasma reaction method of a persistent gas, and an apparatus decreasing NOx by an occlusion catalyst, all of which are capable of excluding the discontinuity of the plasma reaction zone. | 01-14-2010 |
| 20090017087 | Osseoinductive metal implants for a living body and producing method thereof - This invention provides an Osseo-inductive metal implant for a living body and the producing method thereof and, more particularly, the Osseo-inductive metal implant for a living body according to the present invention is produced by forming, on the surface of the metal implant, the layer of metal oxide and the layer of bio-active material injected. | 01-15-2009 |
