Patent application number | Description | Published |
20100098941 | POLYMER MICROSTRUCTURE WITH TILTED MICROPILLAR ARRAY AND METHOD OF FABRICATING THE SAME - A polymer microstructure with a tilted micropillar array and a method of fabricating the same. The tilted micropillar array is formed by adjusting the incident angle of the ion beam for the ion beam treatment using a PECVD method with low energy consumption. The tilt angle of the micropillars is adjusted to a desired angle by adjusting at least one of the incident angle, the irradiation time, and the magnitude of acceleration voltage of the ion beam for the ion beam treatment. | 04-22-2010 |
20100102026 | METHOD OF FORMING NANOSTRUCTURED SURFACE ON POLYMER ELECTROLYTE MEMBRANE OF MEMBRANE ELECTRODE ASSEMBLY FOR FUEL CELL - The present invention provides a method of forming a nanostructured surface (NSS) on a polymer electrolyte membrane (PEM) of a membrane electrode assembly (MEA) for a fuel cell, in which a nanostructured surface is suitably formed on a polymer electrolyte membrane by plasma treatment by plasma-assisted chemical vapor deposition (PACVD), where catalyst particles or a catalyst layer are directly deposited on the surface of the polymer electrolyte membrane having the nanostructured surface. | 04-29-2010 |
20100168506 | Method For Preparing Drug-Eluting Stent Having Nano-Structured Pattern - This invention relates to a method for preparing a drug-eluting stent using a chemical vapor deposition, the method comprising modifying the surface of a biodegradable polymer with nanostructures through a plasma-assisted chemical vapor deposition so as to improve drug-loading capability and drug elution rate. | 07-01-2010 |
20110070411 | PLASTIC WITH IMPROVED GLOSS PROPERTIES AND SURFACE TREATMENT METHOD - The present invention provides a plastic with improved gloss properties and a surface treatment method for plastic, which forms a nanopattern and a hardened layer on the surface of a polymer material by irradiating an argon ion beam onto the surface to change the refractive index, thus changing the gloss of the polymer variously using only the polymer/plastic material. | 03-24-2011 |
20110076460 | PLASTIC WITH NANO-EMBOSSING PATTERN AND METHOD FOR PREPARING THE SAME - The present invention features a plastic with a nano-embossing pattern formed on the surface of polypropylene (PP) by preferably irradiating an argon ion beam, and a method for preparing the same. In preferred embodiments, the present invention also provides a method for preparing a plastic with a nano-embossing pattern formed on the surface thereof. | 03-31-2011 |
20120190114 | SILICON-INCORPORATED DIAMOND-LIKE CARBON FILM, FABRICATION METHOD THEREOF, AND ITS USE - A silicon-incorporated diamond-like carbon thin film, a fabrication method thereof, and its use are disclosed. The silicon-incorporated diamond-like carbon thin film comprises a chemical bond between carbon and silicon atoms present on a surface of the silicon-incorporated diamond-like carbon thin film comprising silicon incorporated within and on the surface thereof with an atom providing hydrophilicity to the surface of the thin film on the surface of the thin film. | 07-26-2012 |
20120223011 | SUPERHYDROPHOBIC/AMPHIPHILIC(OLEOPHILIC) SURFACE WITH NANO STRUCTURE AND THE FABRICATION METHOD THEREOF - Disclosed is a structure having a superhydrophobic and amphiphilic(oleophilic) surface and a fabrication method thereof. A polymer surface body disclosed herein may include high aspect ratio nanostructures on a surface thereof, wherein an aspect ration of the high aspect ratio nanostructure is 1 to 100, and may include a hydrophobic thin film on the high aspect ratio nanostructure. A method of fabricating a polymer surface body disclosed herein may include performing a surface modification treatment on a polymer to form a high aspect ratio nanostructure having an aspect ration of 1 to 100, and forming a hydrophobic thin film on a surface containing the nanostructures. | 09-06-2012 |
20120276335 | POROUS MEDIUM WITH INCREASED HYDROPHOBICITY AND METHOD OF MANUFACTURING THE SAME - The present invention provides a porous medium with increased hydrophobicity and a method of manufacturing the same, in which a micro-nano dual structure is provided by forming nanoprotrusions with a high aspect ratio by performing plasma etching on the surface of a porous medium with a micrometer-scale surface roughness and a hydrophobic thin film is deposited on the surface of the micro-nano dual structure, thus significantly increasing hydrophobicity. When this highly hydrophobic porous medium is used as a gas diffusion layer of a fuel cell, it is possible to efficiently discharge water produced during electrochemical reaction of the fuel cell, thus preventing flooding in the fuel cell. Moreover, it is possible to sufficiently supply reactant gases such as hydrogen and air (oxygen) to a membrane electrode assembly (MEA), thus improving the performance of the fuel cell. | 11-01-2012 |
20130089807 | FUEL CELL WITH ENHANCED MASS TRANSFER CHARACTERISTICS - Disclosed is a fuel cell with enhanced mass transfer characteristics in which a highly hydrophobic porous medium, which is prepared by forming a micro-nano dual structure in which nanometer-scale protrusions with a high aspect ratio are formed on the surface of a porous medium with a micrometer-scale roughness by plasma etching and then by depositing a hydrophobic thin film thereon, is used as a gas diffusion layer, thereby increasing hydrophobicity due to the micro-nano dual structure and the hydrophobic thin film. When this highly hydrophobic porous medium is used as a gas diffusion layer for a fuel cell, it is possible to reduce water flooding by efficiently discharging water produced by an electrochemical reaction of the fuel cell and to improve the performance of the fuel cell by facilitating the supply of reactant gases such as hydrogen and air (oxygen) to a membrane-electrode assembly (MEA). | 04-11-2013 |
20140004443 | MEMBRANE ELECTRODE ASSEMBLY WITH ENHANCED HYDROPHOBICITY AND MANUFACTURING METHOD THEREOF | 01-02-2014 |
20140116936 | MANUFACTURING METHOD OF NANO POROUS MATERIAL AND NANO POROUS MATERIAL BY THE SAME - The manufacturing method of nano porous material according to an example of the present invention comprises: a preparing step to prepare a substrate; and a manufacturing step to prepare nano porous material with a network structure in which nanoclusters are connected to each other using plasma deposition through over 300 mTorr of working pressure. Using the manufacturing method, it is possible to form a nano porous material having desired surface energy without formation of additional coating layer as well as pores distributed both within and on the surface of the nano porous material with only one deposition process. | 05-01-2014 |
20140180645 | MULTI DIMENSIONAL VIRTUAL EXPERIMENTAL APPARATUS AND METHOD FOR NANO DEVICE DESIGN - Disclosed is a virtual experimental apparatus and method for a nano device design. The virtual experimental apparatus for a nano device design includes a virtual work piece determining unit for determining a virtual experimental material for a nano device design, a virtual process experimental unit for applying at least one process to the virtual experimental material determined by the virtual work piece determining unit, and a virtual process analyzing unit for analyzing a result of each process applied to the virtual experimental material by the virtual process experimental unit. The virtual process analyzing unit further includes a multi-scale analyzing unit for analyzing the process result in at least one particle level. | 06-26-2014 |
20140196775 | SYNTHESIS METHOD OF CU(IN,GA)SE2 NANOROD OR NANOWIRE AND MATERIALS INCLUDING THE SAME - A method of fabricating CIGS nanorod or nanowire according to one exemplary embodiment of the present disclosure comprises a deposition preparation step of placing a raw material including copper, indium, gallium and selenium and a substrate, and a deposition step of growing CIGS nanorod or nanowire on the substrate by maintaining an internal temperature of a reactor, in which carrier gas flows at a constant flow rate, at a temperature in the range of 850 to 1000° C. According to the method, Cu(In,Ga)Se | 07-17-2014 |
20140246429 | FOOD CONTAINER HAVING NANOSTRUCTURED HYDROPHOBIC SURFACE AND MANUFACTURING METHOD THEREOF - The present invention relates to a food container made of a plastic material and having a nano-structured hydrophobic surface, including: a plurality of nano-structures formed on a surface of the food container; and a first hydrophobic thin film coated on an upper side of the surface, on which the nano-structures are formed, and a manufacturing method thereof. According to the present invention, it is possible to provide the food container having the nano-structured hydrophobic surface capable of having excellent gas blocking performance, as well as hydrophobicity, and the manufacturing method thereof. | 09-04-2014 |
20140272291 | FABRICATION METHOD FOR HYDROPHILIC ALUMINUM SURFACE AND HYDROPHILIC ALUMINUM SURFACE BODY - A method for fabricating a hydrophilic aluminum surface includes: an activation step of preparing doped aluminum having an activated surface through doping treatment on a part or whole of an aluminum surface with applying reactive gas thereto; and a structure forming step of preparing a hydrophilic aluminum surface through oxidizing treatment on the doped aluminum to have nano-patterns comprising nano-protrusion structures on the aluminum surface. Hydrophobic aluminum can be fabricated into artificially hydrophilic or super-hydrophilic aluminum, and the hydrophilic aluminum surface body that does not have an aging effect and has long-lasting hydrophilicity can be provided. | 09-18-2014 |
20140332437 | FOOD CONTAINER HAVING IMPROVED OXYGEN BARRIER PROPERTIES AND MANUFACTURING METHED THEREOF - There are provided a food container having improved oxygen barrier properties and a manufacturing method thereof. The food container includes a container made of a plastic material, a buffer thin layer formed on a surface of the container and having a thickness of 5 to 30 nm, and an oxygen barrier thin layer formed on the buffer thin layer. Accordingly, it is possible to provide a food container and a manufacturing method thereof, which can remarkably improve oxygen barrier properties by depositing, using a plasma method, an oxygen barrier thin layer on a porous plastic container having low surface energy without breaking the oxygen barrier thin layer. | 11-13-2014 |