Abstract:
PURPOSE: A touch panel film and a method for preparing the same are provided to enhance durability without influence on the transmittance thereof by using a metallic seed layer to a transparent conductive layer. CONSTITUTION: A metallic seed layer is formed on a transparent plastic substrate(S11), and the transparent conductive layer is formed on the metallic seed layer(S12). The transparent conductive layer is heat-treated(S13), and all the processes are processed under 150°C. A buffer layer is made of an oxide insulator and is formed on the transparent substrate before forming the metallic seed layer. A protection layer is formed by coating and hardening a hardening resin at the lower portion of the transparent substrate.
Abstract:
PURPOSE: A composition for a p-type oxide semiconductor thin film and a method for manufacturing the p-type oxide semiconductor thin film are provided to simplify a manufacturing process by simultaneously depositing a rare earth-based element doped-zinc oxide and a copper metal. CONSTITUTION: A zinc oxide is doped with a rare earth-based element in order to form a first target(S11). A second target which is based on a copper metal is formed(S12). The first target and the second target are simultaneously deposited to form an oxide semiconductor thin film(S13). The rare earth-based element is selected from a group which includes praseodymium(Pr), dysprosium(Dy), europium(Eu) and erbium(Er).
Abstract:
PURPOSE: A method for manufacturing a metal-doped transparent conductive oxide thin film and a thin film transistor using the same are provided to drive the thin film transistor at a low voltage by adjusting the resistance distribution of the transparent conductive oxide thin film. CONSTITUTION: Metal and oxide are simultaneously deposited on a substrate. An oxide film is formed. The metal is doped into the oxide layer. The metal is selected from a group including Mo, Ti, Cu, Sr, Ge, Mg, Y, Zr, B, V, Ta, Tl, Ir, Te, Sb, Cr, Fe, Co, Ru, Ag, Au, Pt, Me, Ni, Sn, Bi, Al, Ga and In. The oxide is selected from a group including ZnO, SnO2, Zn-Sn-O, Ga2O3 and In2O3.
Abstract translation:目的:提供一种用于制造掺杂金属的透明导电氧化物薄膜和使用其的薄膜晶体管的方法,以通过调节透明导电氧化物薄膜的电阻分布来驱动低电压的薄膜晶体管。 构成:金属和氧化物同时沉积在基底上。 形成氧化膜。 金属被掺杂到氧化物层中。 金属选自Mo,Ti,Cu,Sr,Ge,Mg,Y,Zr,B,V,Ta,Tl,Ir,Te,Sb,Cr,Fe,Co,Ru,Ag,Au, Pt,Me,Ni,Sn,Bi,Al,Ga和In。 氧化物选自ZnO,SnO 2,Zn-Sn-O,Ga 2 O 3和In 2 O 3。
Abstract:
본 발명은 박막 트랜지스터의 소스-드레인 전류 모델링 방법에 관한 것으로, 본 발명의 일실시 예에 따른 박막 트랜지스터의 소스-드레인 전류 모델링 방법은, 표본 입력 값 및 표본 출력 값을 포함하는 표본 데이터를 입력받는 단계; 상기 표본 데이터에 상응하여 모델링 변수를 조정하는 단계; 상기 조정된 모델링 변수에 상응하여 전류 모델 값을 계산하는 단계; 상기 계산된 전류 모델 값과 상기 표본 출력 값의 차이 값이 미리 설정된 기준 값보다 작은 경우에는 상기 조정된 모델링 변수를 전류 모델에 적용하여 전류 모델을 피팅(fitting)하는 단계; 상기 피팅된 전류 모델에 실제 입력 데이터를 입력하는 단계; 및 상기 실제 입력 데이터에 상응하여 결과치를 출력하는 단계를 포함하되, 상기 전류 모델은 식(I DS = I leak + ( 1/I b + 1/I a ) -1 )에 의하여 드레인-소스 전류(I DS )를 계산한다. 여기서, I leak 는 박막 트랜지스터의 누설 전류, I b 는 문턱 전압(threshold voltage) 이하의 영역에서 계산되는 소스-드레인 전류 값인 제 1 전류 값, I a 는 문턱 전압 이상의 영역에서 계산되는 소스-드레인 전류 값인 제 2 전류 값이다. 상기와 같은 본 발명에 의하면, 산화물 TFT 뿐만 아니라 비결정질 실리콘 TFT 및 유기 TFT 에도 적용될 수 있는 정밀한 전류 모델을 제공할 수 있는 이점이 있다. TFT 모델, 드레인-소스 전류, 산화물 TFT
Abstract:
PURPOSE: An oxide semiconductor thin film composition is provided to obtain stable and transparent oxide semiconductor thin film having high mobility through low temperature process. CONSTITUTION: An oxide semiconductor thin film composition is amorphous state containing aluminum-containing oxide, zinc-containing oxide, indium-containing oxide, and tin-containing oxide. The ratio of the metal components is 30-95at% of zinc, 1-65at% of indium, 1-50at% of tin and remaining amount of aluminum.
Abstract:
A manufacturing method of a ZnO TFT is provided to reduce a defect inside a semiconductor thin film by controlling a deposition temperature after selecting oxygen plasma or ozone as oxygen precursor. A ZnO semiconductor film(30) is formed on a substrate(10) through an atomic layer deposition method using Zn precursor and ozone at a temperature of 250~350°C or Zn precursor and oxygen plasma at a temperature of 150~250°C. An insulation film(40) is formed on a top part of the ZnO semiconductor film through the atomic layer deposition method using the oxygen precursor selected from ozone or water at a temperature less than 250°C. A gate electrode(50) is formed on a top part of the insulation film. The ZnO semiconductor film has thickness of 5~40nm. The substrate is a substrate in which a source/drain electrode(20) is formed and a substrate in which the gate electrode and the insulation film are formed.
Abstract:
A transparent conductive film etching method is provided to form a transparent conductive film pattern having superior step coverage and reduce the area of a TFT through minute patterning. A functional film having durability for etching on a transparent conductive film is formed(101). The transparent conductive film is etched by using photoresist(102). The photoresist is removed(103). The functional film is removed(104). The photoresist is removed by using chemical substance as acetone. The functional film is removed by performing etching during 3 to 5 seconds using etching solution for etching the transparent conductive film.
Abstract:
A reactive sputtering deposition device capable of reducing temperature of sputtering deposition process is provided to improve uniformity of a thin film deposition and step coverage by increasing ionization rate of reactive gas with inductively coupled plasma. A plasma gas is flowed inside a chamber(110) through an inlet(140). A gas used in reactive sputtering deposition is exhausted outside the chamber through an outlet(150). An inductively coupled plasma generator(120) is positioned on the chamber, ionizes a reactive gas, and flows the ionized gas into the chamber. At least one or more sputter gun(130) is positioned in a side of the chamber, and supports a target.
Abstract:
A memory device of a trap-controlled space charge limit current and a manufacturing method thereof are provided to effectively control charge trap distribution in a dielectric thin film by using a diffusion barrier layer and an inner diffusion barrier layer. A diffusion barrier layer(220) for an electrode-dielectric thin film is formed on the upper surface of a bottom electrode(210). A dielectric thin film(230) is formed on the upper portion of the diffusion barrier layer, and is composed of plural layers having different charge trap density. A top electrode(240) is formed on the upper portion of the dielectric thin film. An inner diffusion barrier layer(250) for preventing shift of charge tap is formed between the layers of the dielectric thin film.
Abstract:
A method device including a dielectric thin film is provided to simplify the structure of a memory device and embody integration of the memory device by using a dielectric thin film having a simple structure in which a plurality of dielectric layers are stacked. At least one dielectric thin film(130) is formed on a lower electrode(120), including a plurality of dielectric layers having different charge trap densities. An upper electrode(125) is formed on the dielectric thin film. Different space-charge limit currents flow through the dielectric thin film according to the charge trap density, controlled according to the impurities added to the dielectric thin film.