Abstract:
다음식 Nb(RCp)(L) (식중, 각각의 R 은독립적으로 H, C1 내지 C6의알킬기, 또는 RSi 이고, 여기서, 각각의 R은독립적으로 H 또는 C1 내지 C6의알킬기이고, Cp는시클로펜타디에닐기이고, L 은포름아미디네이트 (N-fmd), 아미디네이트 (NR''-amd), 및구아니디네이트 (N, N-gnd) 중에서선택됨)의니오븀화합물을포함하는전구체조성물과반응물을공급하여니오븀함유막을형성한다.
Abstract:
PURPOSE: A semiconductor structure with a dielectric layer, capacitor using the same, and method for forming a semiconductor structure are provided to crystallize a dielectric layer by a low temperature heat process, thereby increasing a dielectric constant and reducing leaked currents. CONSTITUTION: A first crystallization seed layer(110) is formed on a lower conductive layer(100). A dielectric layer(120) is formed on the first crystallization seed layer. A second crystallization seed layer(130) is formed on the dielectric layer. An upper conductive layer(140) is formed on the second crystallization seed layer. The upper conductive layer is formed by the same material as the lower conductive layer.
Abstract:
PURPOSE: A semiconductor device and a method for manufacturing the same are provided to reduce a current leakage by forming an insertion layer between a dielectric layer and an upper metal layer. CONSTITUTION: A lower metal layer(14), a dielectric layer(18), and an upper metal layer are successively formed on the upper side of a semiconductor substrate. Insertion layers(16a) are formed in a first part between the lower metal layer and the dielectric layer, a second part between the dielectric layer and the upper metal layer, or both of the first part and the second part. The dielectric layer is composed of a metal oxide film. The insertion layers are composed of a metal material film.
Abstract:
컬러 필터 형성 방법 및 이를 이용한 이미지 센서 제조 방법에서, 상기 컬러 필터를 형성하기 위하여, 기판 상에 복수의 금속 산화막들 및 상기 금속 산화막들 사이에 개재되는 복수의 실리콘 산화막들이 적층된 예비 컬러 필터층을 형성한다. 상기 금속 산화막들과 상기 실리콘 산화막들 간의 굴절률 차이가 증가되도록 상기 예비 컬러 필터층을 열처리시켜 컬러 필터층을 형성한다. 상기 열처리를 통해 금속 산화막과 실리콘 산화막 간의 굴절률이 증가함으로써 높은 투과율을 갖고 혼색 및 감도가 개선된 컬러 필터를 제조할 수 있다.
Abstract:
A method for manufacturing a semiconductor device is provided to improve the efficiency of a process by using a source containing Sr(C5(CH3)5)2 when forming a conductive oxide layer of a Perovskite structure. A substrate(10) is prepared. A first source containing Sr(C5(CH3)5)2, a second source containing Ru, and reactive gas are supplied to the substrate to form a conductive oxide layer(45) of a Perovskite structure on the substrate. The second source is one selected from Ru(tmhd)3, Ru(mhd)3, Ru(od)3, Ru(cp)2, Ru(Mecp)2, and Ru(Etcp)2. The conductive oxide layer is SrRuO3. The reactive gas is O3, O2, or H2O. The supplying of the first source, the second source, and the reactive gas is performed by an ALD(Atomic Layer Deposition) method. Alternatively, the supplying of the first source, the second source, and the reactive gas is performed by a CVD(Chemical Vapor Deposition) method.
Abstract:
Provided are a novel organometallic precursor which is improved in volatility and is excellent in the reactivity with an oxidant, and a method for preparing a thin film by using the organometallic precursor. The organometallic precursor comprises a metal; and a ligand represented by the formula 1, wherein R1 and R2 are identical or different each other and are H or a C1-C5 alkyl group. Preferably the metal of the organometallic precursor is any one selected from the group consisting of strontium (Sr), barium (Ba), calcium (Ca), magnesium (Mg) and beryllium (Be). The method comprises the steps of providing a reaction material which comprises a first organometallic precursor represented by the formula 1 and a second organometallic precursor containing a metal different from that of the organometallic precursor, and an oxidant to the upper part of a substrate; and reacting the provided one to form a thin film.
Abstract:
엠아이엠 캐패시터 제조 방법을 제공한다. 상기 엠아이엠 캐패시터 제조 방법은 층간 절연막을 관통하는 콘택 플러그를 형성하는 것을 구비한다. 상기 콘택 플러그 상부면에 타이타늄 실리사이드막을 형성한다. 상기 타이타늄 실리사이드막 형성 후 잔류된 티타늄을 질화 가스를 이용하여 플라즈마 처리한다. 상기 타이타늄 실리사이드막 상부에 잔존하는 자연 산화막 및 질화 처리에 의해 형성된 타이타늄질화막을 세정 공정을 진행하여 제거한다. 상기 세정 공정을 진행한 층간 절연막 상부에 식각 정지막 및 몰딩막을 차례로 형성한다. 상기 몰딩막을 패터닝하여 상기 콘택 플러그 상부의 상기 타이타늄 실리사이드막을 노출시키는 하부전극 콘택홀을 형성한다. 상기 하부전극 콘택홀의 내벽을 덮는 하부 전극을 형성한다. 상기 몰딩막을 제거하고, 상기 하부 전극을 덮는 유전막 및 상부 전극을 차례로 형성한다. 실리사이드, 오믹 콘택층, 습식 식각액, 침투
Abstract:
PURPOSE: A semiconductor memory device and a manufacturing method thereof are provided to be capable of simultaneously improving dielectric and leakage current characteristics. CONSTITUTION: A semiconductor memory device is provided with a semiconductor substrate(100), a lower electrode(110) formed on the semiconductor substrate, and a dielectric layer(130) formed on the lower electrode. At this time, the dielectric layer is made of an oxide layer containing titanium and tantalum. At the time, the titanium concentration of the dielectric layer becomes different according to the thickness of the dielectric layer. The semiconductor memory device further includes an upper electrode(140) formed on the dielectric layer. Preferably, a reaction restraining layer(120) is located between the lower electrode and the dielectric layer for restraining the reaction of the dielectric layer.