Patent application number | Description | Published |
20090148347 | NANO-CRYSTALLINE COMPOSITE-OXIDE THIN FILM, ENVIRONMENTAL GAS SENSOR USING THE THIN FILM, AND METHOD OF MANUFACTURING THE ENVIRONMENTAL GAS SENSOR - A nano-crystalline composite-oxide thin film for an environmental gas sensor, an environmental gas sensor using the thin film, and a method of manufacturing the environmental gas sensor are provided. The nano-crystalline composite-oxide thin film is formed of hetero-oxide nano-crystalline particles having independent crystalline phases from each other, and the environmental gas sensor including the thin film has excellent characteristics including high sensitivity, high selectivity, high stability and low power consumption. | 06-11-2009 |
20100133528 | CAPACITIVE GAS SENSOR AND METHOD OF FABRICATING THE SAME - A capacitive gas sensor and a method of fabricating the same are provided. The capacitive gas sensor includes an insulating substrate, a metal electrode and a micro thin-film heater wire integrally formed on the same plane of the insulating substrate, and an oxide detection layer coated on the metal electrode and the micro thin-film heater wire. The fabrication method includes depositing a metal layer on an insulating substrate, etching the metal layer so that a metal electrode and a micro thin-film heater wire form an interdigital transducer on the same plane, and forming a nano crystal complex oxide thin film or a complex oxide nano fiber coating layer on the metal electrode and the micro thin-film heater wire as a detecting layer. The capacitive gas sensor can be easily fabricated and can have excellent characteristics such as high sensitivity, high selectivity, high stability, and low power consumption. | 06-03-2010 |
20100147684 | ULTRA-SENSITIVE GAS SENSOR USING OXIDE SEMICONDUCTOR NANOFIBER AND METHOD OF FABRICATING THE SAME - An ultra-sensitive gas sensor using semiconductor oxide nanofibers and a method of fabricating the same are provided. The gas sensor includes an insulating substrate, a metal electrode formed on the insulating substrate, and a semiconductor metal oxide nanofibers layer formed on the metal electrode and having nanoparticles of high sensitivity coated thereon. The method of fabricating a semiconductor oxide nanofibers gas sensor includes fabricating an oxide using a solution for electrospinning, electrospinning the solution, performing an annealing process to form an oxide semiconductor nanofiber, and partially coating a nano-sized metal oxide or metal catalyst particle having high sensitivity to a specific gas on a surface of the nanofiber having a large specific surface area. As a result, a semiconductor oxide nanofibers gas sensor having ultra sensitivity, high selectivity, fast response and long-term stability can be fabricated. | 06-17-2010 |
20100155691 | METHOD OF FABRICATING SEMICONDUCTOR OXIDE NANOFIBERS FOR SENSOR AND GAS SENSOR USING THE SAME - A gas sensor for detecting environmentally harmful gases is provided. The sensor includes an insulating substrate, a metal electrode formed on the insulating substrate, and a sensing layer formed on the metal electrode and including a semiconductor oxide (La | 06-24-2010 |
20110120866 | ENVIRONMENTAL GAS SENSOR AND METHOD OF MANUFACTURING THE SAME - Provided are an environmental gas sensor and a method of manufacturing the same. The environmental gas sensor includes an insulating substrate, metal electrodes formed on the insulating substrate, and a sensing layer in which different kinds of nanofibers are arranged perpendicular to each other on the metal electrodes. Thus, the environmental gas sensor can simultaneously sense two kinds of gases. | 05-26-2011 |
20110129668 | ORGANIC-INORGANIC HYBRID NANOFIBER FOR THERMOELECTRIC APPLICATION AND METHOD OF FORMING THE SAME - Provided is an organic-inorganic hybrid nanofiber including an inorganic semiconductor material in a nanoparticle or nanocrystal state, and a conductive polymer including the inorganic semiconductor material and having a lower thermal conductivity than the inorganic semiconductor material. The inorganic semiconductor material and the conductive polymer are arranged in a composite material type to have a thermoelectric property. Thus, the organic-inorganic hybrid nanofiber can be applied to a low-priced thermoelectric device having relatively high thermoelectric conversion efficiency. | 06-02-2011 |
20110227061 | SEMICONDUCTOR OXIDE NANOFIBER-NANOROD HYBRID STRUCTURE AND ENVIRONMENTAL GAS SENSOR USING THE SAME - Provided is an environmental gas sensor including an insulating substrate, a metal electrode formed above the insulating substrate, and a sensing layer formed of a semiconductor oxide nanofiber-nanorod hybrid structure above the metal electrode. The environmental gas sensor can have excellent characteristics of ultra high sensitivity, high selectivity, high responsiveness and low power consumption by forming a semiconductor oxide nanorod having high sensitivity to a specific gas on a semiconductor oxide nanofiber. | 09-22-2011 |
20120235961 | FLEXIBLE FLAT CABLE AND MANUFACTURING METHOD THEREOF - A flexible flat cable capable of minimizing distortion and interference of a signal and a manufacturing method thereof are provided. The cable includes wire cores, insulation coating layers surrounding the wire cores, shield coating layers surrounding the insulation coating layers, an upper insulation plate layer formed on the shield coating layers, a lower insulation plate layer formed under the shield coating layers and opposite to the upper insulation plate layer, and a shield plate layer formed under the lower insulation plate layer. | 09-20-2012 |
20140159036 | OXIDE TRANSISTOR WITH NANO-LAYERED STRUCTURE AND METHOD OF FABRICATING THE SAME - According to example embodiments of the inventive concept, provided is a transistor with a nano-layered oxide semiconductor layer. The oxide semiconductor layer may include at least one first nano layer and at least one second nano layer that are alternatingly stacked one on another. Here, the first nano layer and the second nano layer may include different materials from each other, and thus, a channel with high electron mobility may be formed at the interface between the first and second nano layers. Accordingly, the transistor can have high reliability. | 06-12-2014 |
20140205747 | METHOD OF MANUFACTURING A FLEXIBLE FLAT CABLE - A flexible flat cable which includes wire cores, insulation coating layers surrounding the wire cores, shield coating layers surrounding the insulation coating layers, an upper insulation plate layer formed on the shield coating layers, a lower insulation plate layer formed under the shield coating layers and opposite to the upper insulation plate layer, and a shield plate layer formed under the lower insulation plate layer. | 07-24-2014 |