Patent application number | Description | Published |
20100098966 | Process for preparing nanogap electrode and nanogap device using the same - The present invention relates to a process of preparing a nanogap electrode and a nanogap device using the same, and a preparing process according to the present invention is characterized in that reduced metal is grown by reduction reaction from a metal ion in solution on the surface of a metal pattern with a predetermined shape. A method of preparing a nanogap electrode according to the present invention has an advantage that nanogap electrodes having a gap distance of 1-100 nm, which are difficult to prepare by a conventional method, can be easily prepared in a reproducible and uniform manner. | 04-22-2010 |
20100155264 | GAS STORAGE STRUCTURE AND GAS STORAGE APPARATUS INCLUDING THE SAME - Provided are a gas storage structure and a gas storage apparatus including the gas storage structure. The gas storage structure includes a gas storage part including an opening thereon and an entrance control part disposed on the opening and including a gate. | 06-24-2010 |
20100314609 | NANOWIRE MEMORY - Provided is a nanowire memory including a source and a drain corresponding to the source, and a nano channel formed to connect the source to the drain. Here, the nano channel includes a nanowire electrically connecting the source to the drain according to voltages of the source and drain, and a nanodot formed on the nanowire and having a plurality of potentials capturing charges. Thus, the nanowire memory has a simple structure, thereby simplifying a process. It can generate multi current levels by adjusting several energy states using gates, operate as a volatile or non-volatile memory by adjusting the gates and the energy level, and include another gate configured to adjust the energy level, resulting in formation of a hybrid structure of volatile and non-volatile memories. | 12-16-2010 |
20110008247 | METHOD FOR SELECTIVELY STORING GAS BY CONTROLLING GAS STORAGE SPACE OF GAS STORAGE MEDIUM - Provided is a gas storage method of a gas storage medium having a multilayer structure in which crystalline structures are stacked to be spaced from each other, including selectively storing gas by relatively controlling a space between the crystalline structures or a lattice distance between crystals of each crystalline structure with respect to the van der Waals diameter of gas which is to be stored. According to the gas storage method, it is possible to selectively store gas. | 01-13-2011 |
20120125768 | DISSOLVED OXYGEN MEASUREMENT SYSTEM - Provided is a dissolved oxygen measurement system. The dissolved oxygen measurement system includes a hydrogen storage device storing hydrogen, a first hydrogen fuel cell in which the hydrogen stored in the hydrogen storage device and water supplied from the outside in real time react with each other to generate first electricity energy, a water storage tank storing the water supplied from the outside, a second hydrogen fuel cell in which the water supplied from the water storage tank and the hydrogen stored in the hydrogen storage device react with each other to generate second electricity energy, and a control unit analyzing a difference between the first electricity energy and the second electricity energy. | 05-24-2012 |
20120129682 | METHOD OF FABRICATING NANOWIRE POROUS MEDIUM AND NANOWIRE POROUS MEDIUM FABRICATED BY THE SAME - Provided is a method of fabricating of a nanowire porous medium and a medium formed by the method. In this method, water and organic solvent are mixed and stirred to form a large amount of bubbles, and the bubbles are used such that porosity can be formed more easily and in a more amount. Therefore, the nanowire porous medium can be fabricated more easily and simply. Also, in the nanowire porous medium according to the inventive concept, absorption capacity is increased by containing nanowires, and flexibility and durability are increased by containing a polymer. | 05-24-2012 |
20120143121 | CHITOSAN SPREADING SYSTEM USING LOW TEMPERATURE ATMOSPHERIC PRESSURE PLASMA - Provided is a chitosan spreading system using low temperature atmospheric pressure plasma. The system includes a dielectric tube of hollow cylindrical shape including a gas inlet supplied with a carrier gas and a plasma outlet spraying low temperature atmospheric pressure plasma generated therein, a first electrode provided in the dielectric tube, an power supply unit configured to apply an electric power to the first electrode, a carrier gas supply unit configured to supply a carrier gas into the gas inlet of the dielectric tube, and a chitosan supply unit configured to supply chitosan into the low temperature atmospheric pressure plasma generated in the dielectric tube | 06-07-2012 |
20130042911 | SOLAR CELL AND METHOD OF FABRICATING THE SAME - Provided are a solar cell and a method of fabricating the same. The solar cell may include a first electrode including a first substrate attached with a first transparent conductive film and a metal oxide nanotube provided on the first substrate and adsorbed with a dye, a second electrode facing the first electrode, and an electrolyte filling between the first and second electrodes. In example embodiments, metal nanoparticles may be provided on an inner surface of the metal oxide nanotube. | 02-21-2013 |
20130075326 | FILTER FABRICATION METHOD AND THE FILTER FORMED THEREBY - Provided are a filter fabrication method and the filter formed thereby. In this method, a three-dimensional graphene polymer complex filter can be easily fabricated. By forming various patterns at a surface of a collector, patterns can be simply formed at a surface of a filter. This provides advantages at control of pressure difference which can be one of the very important factors necessary for designing and fabricating a filter. Since the filter includes graphene particles homogeneously combined to the polymer nanofiber, the filter can represent a superior antibiosis. | 03-28-2013 |
20130149532 | FIBER FABRICATION METHOD AND THE FIBER FABRICATED THEREBY - Provided are fiber fabrication method and the fiber fabricated thereby. In this method, different monomer solutions are electrospun through nozzles whose outlets are stuck to each other and simultaneously interfacially polymerized to form a polymer fiber without a complicated process of preparing a polymer solution. Therefore, a polymer fiber can be simply prepared. | 06-13-2013 |
20130153545 | PLASMA JET ASSEMBLY AND PLASMA BRUSH INCLUDING THE SAME - Plasma jet assemblies are provided. A plasma jet assembly may include: a tube through which a gas flows; a power source providing a high frequency power exciting the gas in plasma state; a power electrode applying the high frequency power to the gas; and a plasma control unit removing arc discharge of a plasma gas generated in the tube by the high frequency power applied to the power electrode. | 06-20-2013 |
20130158466 | PLASMA BRUSHES - Plasma brushes are provided. The plasma brush includes a nozzle, a connector connected to a first end of the nozzle, a power electrode disposed at a portion of the nozzle, and a ground electrode disposed at a second end of the nozzle opposite to the connector. | 06-20-2013 |
20130162463 | SPACE PERCEPTION DEVICE - Disclosed is a space perception device which includes a transceiver unit transmitting and receiving a signal; a processing unit analyzing signals transmitted and received through the transceiver unit to search location information of an obstacle at a space; and a vibration unit providing a user with location information of an obstacle at a space in response to a control of the processing unit. The vibration unit includes a plurality of vibrators having different three-dimensional coordinates. | 06-27-2013 |
20130197338 | PAIN SIGNAL MEASUREMENT DEVICE AND PAIN SIGNAL MEASURING AND CONTROLLING METHOD THEREOF - Provided is a pain signal measurement device including a microprobe array inserted into a skin to measure a pain signal. The microprobe array includes a guard electrode disposed on a substrate; a plurality of microprobes penetrating the substrate and the guard electrode, electrically insulated from the guard electrode, and measuring a voltage or current of the skin into which the microprobe array is inserted; and an insulating layer disposed between the guard electrode and a guarded electrode of each of the microprobes to reduce a noise between the microprobes. A surface of the insulating layer of each of the microprobes is grounded to the guard electrode. | 08-01-2013 |
20130197344 | PHOTO-ACOUSTIC TOMOGRAPHY - The present invention relates to a photo-acoustic tomography that can acquire a functional image for an inner part of a living body through generation of a local ultrasonic wave generated by energy that is introduced from a laser light source, and to a photo-acoustic tomography using a semiconductor laser and an optical fiber power amplifying device in order to increase resolution and an image acquisition time of an image, a photo-acoustic tomography that can acquire a high-sensitive image even in a place where a penetration depth is large through energy modulation, and a high-sensitive high-speed photo-acoustic tomography that can acquire a high-speed image by placing an array-type laser light source. | 08-01-2013 |
20130272950 | METHOD OF MANUFACTURING A GRAPHENE FIBER - Methods of easily manufacturing a large-area graphene fiber are provided. The method includes forming a supporting fiber, forming a graphene oxide-containing solution, coating the supporting fiber with the graphene oxide-containing solution to form a graphene oxide composite fiber, and separating the supporting fiber from the graphene oxide composite fiber. The large-area graphene fiber having high strength, high flexibility, and high porosity is easily manufactured to be applied in various fields including an environment field and an energy field. | 10-17-2013 |
20130313523 | GRAPHENE ELECTRONIC DEVICE AND METHOD OF FABRICATING THE SAME - Provided are a method of fabricating a graphene electronic device and the graphene electronic device fabricated thereby. The method may include forming a first electrode and a second electrode spaced apart from each other, on a substrate, forming supporting patterns on the first electrode and the second electrode, coating the supporting patterns with graphene-oxide-containing solution to form composite patterns, and separating the supporting patterns from the composite patterns. | 11-28-2013 |
20140121531 | DIAGNOSIS APPARATUS AND METHOD FOR ALZHEIMER'S DISEASE - Provided are apparatus and method for diagnosing Alzheimer's disease. The diagnosis apparatus may include a rod type image probe obtaining signals on a state of an olfactory epithelium tissue region, the rod type image probe including an end portion configured to be inserted into a nose and be in contact with the olfactory epithelium tissue region, a delivering element, by which the signals may be transmitted from the olfactory epithelium tissue region, the delivering element being connected to other end portion of the rod type image probe, and a signal processing unit converting the signals transmitted from the delivering element into digital signals. | 05-01-2014 |
20140346408 | METHOD OF MANUFACTURING GRAPHENE HYBRID MATERIAL AND GRAPHENE HYBRID MATERIAL MANUFACTURED BY THE METHOD - This invention relates to a method of manufacturing a graphene or graphene oxide/nanoparticle hybrid material and a graphene/nanoparticle hybrid material manufactured thereby, wherein the hybrid material can be easily, rapidly and eco-friendly synthesized while minimizing the use of chemicals and thermal treatment because of electrostatic self-assembly properties of a biomaterial. This method includes preparing nanoparticles, a biomaterial solution and a graphene oxide solution, mixing the nanoparticles with the biomaterial solution to form biomaterial-coated nanoparticles, mixing the biomaterial-coated nanoparticles with the graphene oxide solution to obtain a graphene oxide/nanoparticle hybrid material, and reducing the graphene oxide/nanoparticle hybrid material to obtain a graphene/nanoparticle hybrid material. | 11-27-2014 |