Abstract:
PURPOSE: A nanostructure synthesizer using a target-rotating type hot-walled pulse laser deposition and a method thereof are provided to obtain uniform nanostructures by revolving the target object and irradiating laser thereof. CONSTITUTION: A nanostructure synthesizer using a target-rotating type hot-walled pulse laser deposition comprises a chamber(10), supporting parts(20,30), heaters(40) and a laser generator(50). The chamber accepts a substrate(3) and a target material(2). The supporting parts are located in the inside of the chamber and supports and revolves the target material. The heater is located outside the chamber. The chamber is heated so that the inner temperature of the chamber becomes over 600 deg. Celsius. The laser generator irradiates laser on the target material and decomposes thereof so that the nanostructure is formed on the substrate from the decomposed target material.
Abstract:
PURPOSE: An Ag-doped Zno thin film transistor and a method for manufacturing the same are provided to use a switch element on a transparent display by having high permeability in visible rays region. CONSTITUTION: A gate electrode(11) is comprised of a silicone compound. A gate insulating layer(12) is arranged on the gate electrode. A channel layer(13) is arranged on the gate insulating layer. The channel layer includes an Ag -doped zinc oxide the silver. A source electrode and a drain electrode are separated from each other while having the channel layer between them.
Abstract:
PURPOSE: A field effect transistor including an Ag doped ZnO nano wire and a manufacturing method thereof are provided to obtain high electric property by controlling the doping and composition of a nano wire. CONSTITUTION: A gate insulation layer(12) is formed on a substrate(11). A source electrode(14) and a drain electrode(15) are positioned on the gate insulation layer. The source electrode and the drain electrode include a first layer made of titanium and a second layer made of conductive materials. A nano wire(13) is positioned between the source electrode and the drain electrode. The nano wire includes Ag doped ZnO.
Abstract:
본 발명은 전자이동도를 향상시킴과 함께 트랩에 의한 이력 현상의 발생을 최소화할 수 있는 박막 트랜지스터에 관한 것으로서, 본 발명에 따른 박막 트랜지스터는 채널층 및 게이트절연막을 포함하는 박막 트랜지스터에 있어서, 상기 채널층은 산화물 반도체로 구성되며, 상기 게이트절연막은 하나 이상의 제 1 유전막 및 제 2 유전막을 포함하고, 상기 제 1 유전막의 유전율은 상기 제 2 유전막의 유전율과 상이한 것을 특징으로 한다. 박막트랜지스터, 산화물반도체, 채널층, 게이트절연막, 3중층
Abstract:
PURPOSE: A gas sensor having a silver-doped zinc oxide nano wire and a method for manufacturing the same are provided to differentiate gas sensing sensitivity because a change of electrical properties is induced by doping silver, thereby selectively sensing various harmful gases. CONSTITUTION: A gas sensor comprises a substrate(11), an insulation film(12), azinc oxide nano wire(13), and a plurality of electrodes(14). The insulation film is formed on the substrate. The zinc oxide nano wire is arranged on the insulation film and silver is doped. The electrodes are arranged on the insulation film by being spaced from each other and electrically connected to the nano wire.
Abstract:
PURPOSE: A thin film transistor applying a dual electrode structure and a manufacturing method thereof are provided to output large currents by the same gate voltage or drain voltage by applying the dual electrode structure to a source electrode and a drain electrode. CONSTITUTION: A gate electrode(11) is formed on a substrate(100). A gate insulation layer(12) covers the gate electrode. A first source electrode(13a) is separated from a first drain electrode(13b) on the gate insulation layer with a first distance. A channel layer(14) is located on the first source electrode, the gate insulation layer, and the first drain electrode. A second source electrode(15a) and a second drain electrode(15b) are located on the first source electrode, the channel layer, and the first drain electrode.
Abstract:
PURPOSE: Apparatus and method for fabricating a nanowire co-doped with silver and group III elements are provided to lower activation energy of the nanowire by aluminum co-doped with silver. CONSTITUTION: A nanowire comprises zinc oxide doped with silver and group III elements. An apparatus for fabricating the nanowire includes a chamber(10), a substrate(20) positioned within the chamber, a target material(30) doped with silver and group III elements, a heater(40) heating the chamber, and a laser generator(50) for irradiating laser to the target material.
Abstract:
본 발명은 금속 산화물 반도체 박막 등을 성장시킴에 있어서 활성 상태의 질소 원자를 불순물 공급원으로 제공함으로써 불순물 도핑 효율을 극대화시킬 수 있는 유전체 장벽 방전을 이용한 펄스 레이저 증착장치 및 방법 그리고 이에 의해 형성된 금속 산화물 박막에 관한 것으로서, 본 발명에 따른 유전체 장벽 방전을 이용한 펄스 레이저 증착장치는 유전체 장벽 방전장치 및 펄스 레이저 증착기의 조합으로 이루어지며, 상기 유전체 장벽 방전장치는, 마이크로 방전이 일어나는 공간을 제공하는 유전체 장벽 튜브와, 상기 유전체 장벽 튜브 내에 구비되며, 상기 유전체 장벽 튜브와 일정 거리 이격된 위치에 배치되는 금속 전극과, 상기 유전체 방전 튜브에 해리하고자 하는 기체를 공급하는 기체 공급부 및 상기 금속 전극에 전원을 인가하는 RF 발생수단을 포함하여 이루어지는 것을 특징으로 한다. 펄스레이저증착, PLD, 유전체, 방전
Abstract:
PURPOSE: A thin film transistor having passivation layer comprising metal and a method for fabricating the same are provided to prevent oxygen, moisture or impurity from being penetrated to a channel layer by using the passivation layer. CONSTITUTION: A gate insulating layer(20) is located on the surface of a gate electrode. A channel layer(30) is located on the surface of the gate insulating layer. A source electrode and a drain electrode are separated from each other and touch the channel layer. A passivation layer(40) is separated from the source and the drain electrode and having conducting material including metal.