Abstract:
Provided are a thermoelectric device and a method of manufacturing the same. The method may include forming nanowires on a substrate, forming a barrier layer on the nanowires, forming a bulk layer on the barrier layer, forming a lower electrode under the substrate, and forming an upper electrode on the bulk layer.
Abstract:
Provided is a thermoelectric device. The thermoelectric device includes a substrate; first and second electrodes disposed at one side of the substrate, wherein the first and second electrodes are apart from each other; a common electrode formed on the other side of the substrate, wherein the common electrode is separated from the first and second electrodes; first and second legs connecting the common electrode to the first electrode, and the common electrode to the second electrode, respectively; and first and second barrier patterns covering the first and second legs and the substrate between the common electrode and the first electrode and between the common electrode and the second electrode, wherein the first and second barrier patterns prevents the short between the first and second legs and the common electrode and between the first and second legs and the first and second electrodes.
Abstract:
Provided is an apparatus for measuring a thermoelectric device. The apparatus includes a high temperature heater controlling a temperature of a first side of a sample, a low temperature heater controlling a temperature of a second side of the sample, a fine control heater controlling the temperature of the first side of the sample by a smaller unit than the high temperature heater, a temperature control and voltage measuring unit controlling the high temperature heater, the low temperature heater, and the fine control heater and measuring voltages of the first and second sides of the sample, and a thermal conductivity measuring unit measuring thermal conductivity of the sample by using a high temperature output voltage generated in the first side of the sample and a low temperature output voltage generated in the second side of the sample.
Abstract:
Provided is a terahertz health checker. The terahertz health checker includes a terahertz wave transmitter generating terahertz waves in a terahertz band, a lens outputting the terahertz waves and receiving terahertz waves reflected from the outputted terahertz waves, an imaging chip connected to the lens, detecting the received terahertz waves, and generating a digital image signal based on the detected terahertz waves, a readout circuit reading out the digital image signal, and a transceiver outputting the read-out digital image signal to the outside.
Abstract:
Provided are a thermoelectric device and a method of manufacturing the same. The method may include forming nanowires on a substrate, forming a barrier layer on the nanowires, forming a bulk layer on the barrier layer, forming a lower electrode under the substrate, and forming an upper electrode on the bulk layer.
Abstract:
Provided is a sensing device having a multi beam antenna array. The sensing device includes an antenna array including a plurality of antennas, a plurality of low noise amplifiers respectively connected to the antennas to amplify radio frequency signals received from the respective antennas, a delay line box including a plurality of delay lines, each delay line delaying the signals amplified by the low noise amplifiers for a predetermined time, and a detector detecting the output signals of the delay ling box.
Abstract:
Disclosed are a solar cell having a fan structure that provides a more pleasant life, convenience, and stability by forming, in a fan structure, a flexible colour solar cell applied with a carbon dioxide absorption material, and configuring the formed flexible colour solar cell through convergence of information technology, and an electronic application apparatus using the same. The electronic application apparatus using a solar cell as a power source includes: an application device body portion including a both side supporter fixed to ground, a transmitter including an antenna capable of transmitting power and data, and a data screen to thereby provide a predetermined service; and the solar cell provided in an upper end of the application device body portion, to colour using a predetermined wavelength of light, and to perform solar power generation using a remaining wavelength of light.
Abstract:
Provided is a method of fabricating a mold, the method including: forming a first preliminary layer and a second preliminary layer, which are spaced apart from each other and stacked on a substrate; forming a first pattern by patterning the first preliminary layer; forming a first spacer on both sidewalls of the first pattern;forming a second pattern by etching the second preliminary layer by using the first spacer as an etching mask; forming a multilayer structure including the first pattern and the second pattern on the substrate by removing the first spacer; and forming a mold layer covering the multilayer structure.
Abstract:
Provided are a thermoelectric conductivity measurement instrument of a thermoelectric device and a measuring method of the same. The thermoelectric conductivity measurement instrument of the thermoelectric device includes a sample piece fixing module configured to provide an environment for measuring physical properties of the thermoelectric device as a sample piece and comprising an electrode part configured to provide contact points which are respectively in contact with both ends of the sample piece, and a measuring circuit module configured to provide a source AC voltage of a first frequency heating the sample piece to the electrode part, detect a first thermoelectric AC voltage of a second frequency greater than the first frequency and a second thermoelectric AC voltage of a third frequency greater than the second frequency, which are generated by a temperature change occurring at the contact points, and then obtain the thermoelectric conductivity.