Abstract:
본 발명은 반도체장치의 제조 방법에 관한 것으로 반도체기판상에 제1절연막을 형성하는 공정과, 상기 제1절연막을 식각하여 상기 반도체기판의 소자형성영역을 노출시키는 공정과, 상기 식각된 제1절연막의 내벽에 표면이 매끄러운 스페이서를 형성하는 공정과, 상기 노출된 반도체기판을 통하여 에피택셜층을 선택적으로 성장시키는 공정을 구비하여 이루어지는 것을 특징으로 한다. 따라서 본 발명에 따른 반도체장치의 제조방법은 종래의 SEG기술에서의 문제점인 소자분리영역과 소장형성영역간의 계면 결함을 제거하여 실제 반도체소장의 생산에 SEG 기술을 적용 가능하게 한다.
Abstract:
본 발명은 선택 CVD텅스텐공정에 의해 콘택홀을 매몰하는 방법에 관한 것으로, 반도체장치의 제조방법에 있어서, H 2 환원분위기에서 열처리공정,플라즈마처리공정 또는 레이저 처리공정을 행하여 제조공정중에 발생할수 있는 잔유물을 제거하는 것을 특징으로 하는 본 발명에 의하면, 선택 CVD텅스텐공정시 텅스텐과 실리콘과의 접착특성을 향상시킴으로써 텅스텐의 필오프현상을 방지하고 콘택저항값을 감소시킬수 있으므로 디바이스에 적용했을 경우 신뢰성을 향상시킬 수 있게 된다.
Abstract:
PURPOSE: A semiconductor device manufacturing method which uses an epitaxial blocking film is provided to secure an area which is wider than an area for forming a metal contact, thereby improving a gap-fill margin of an interlayer insulating film. CONSTITUTION: A semiconductor substrate(2) comprises device separation regions(5,6), a PMOS(P-channel Metal Oxide Semiconductor) transistor region(100), and an NMOS(N-channel Metal Oxide Semiconductor) transistor region(200). First and second gate structures(110,210) are respectively formed on the PMOS transistor region and the NMOS transistor region. Gate electrodes(115,215) are formed on gate dielectric film patterns(117,217). An epitaxial blocking film(221) is formed by nitrifying the surface of the substrate. The thickness of an SiN film of the epitaxial blocking film is in a range of 10 to 200Å.
Abstract:
PURPOSE: A method for manufacturing a MOS(Metal Oxide Semiconductor) transistor is provided to minimize gate line resistance by recessing a first work function metal layer to be below a top surface of a mold oxide layer. CONSTITUTION: Provided is a substrate(10) having a first active region(14) and a second active region(16). A dummy gate stack is formed on the first active region and the second active region. A spacer(30) is formed on a sidewall of the dummy gate stack. A source/drain region(34) is formed in the first active region. A mold dielectric film(40) is formed on the source/drain region.
Abstract:
PURPOSE: A complementary metal oxide semiconductor(CMOS) transistor, a semiconductor device including the same, and a semiconductor module including thereof are provided to prevent diffusion of composite atoms of power supplying material by diffusion preventing materials, thereby enabling to protect an insulating material and adjust threshold voltage of the CMOS transistor using the diffusion preventing materials. CONSTITUTION: A first and second padding patterns(106,116) are successively laminated in a first region of a semiconductor substrate(50) in parallel with the upper surface of the semiconductor substrate. A third and fourth padding patterns(126,136) are successively laminated by forming a concave shape on the second padding pattern. A fifth padding pattern is surrounded by the third and fourth padding patterns and located on the fourth padding pattern. First and second laminate patterns are successively laminated in a second region of the semiconductor substrate in parallel with the upper surface of the semiconductor substrate. The third laminate pattern is extended from the upper surface of the second laminate pattern to the upper side of the semiconductor substrate by forming the concave shape on the second laminate pattern. A fourth laminate pattern is surrounded by the third laminate pattern and located on the third laminate pattern. The first padding and laminate patterns include insulating material. The second and third padding patterns and the second laminate pattern include diffusion preventing material. The fourth padding pattern and third laminate pattern includes a material for work function adjustment. The fifth padding pattern and fourth laminate pattern include power supplying material.
Abstract:
PURPOSE: A semiconductor device manufacturing method is provided to restrain the leak current of a semiconductor device by improving the crystalline of a bottom electrode by implementing the heat treatment for the bottom electrode before depositing a dielectric layer. CONSTITUTION: A first interlayer insulating film(120) is formed on a substrate(100). The imbedded contact plugs(130a, 130b, 130c) are formed within the first interlayer insulating film. A second interlayer insulation layer is formed on the first interlayer insulating film and the imbedded contact plug. A contact hole exposing the imbedded contact plug is formed within the second interlayer insulation film.
Abstract:
PURPOSE: A semiconductor devices and methods of forming the same are provided to improve the electrical property of a metal oxide by supplying an oxygen in the sacrificial oxide to a metal oxide. CONSTITUTION: A metal oxide layer is formed on a substrate(100) as a single layer or a multilayer. A sacrificial oxide is formed on the metal oxide layer. A thermal treatment process on the substrate having the sacrificial oxide. In the thermal treatment process, a free energy of the sacrificial oxide is higher than that of the metal oxide.
Abstract:
PURPOSE: A semiconductor wafer and a method of manufacturing a semiconductor device using the same are provided to implement a uniform crystal face of 8F2 on an active region by controlling a notch to be parallel with the lattice structure of an active region. CONSTITUTION: A semiconductor wafer(100) includes a plane(105) formed with a monocrystal silicon and a notch(115) which is used for a reference point of a semiconductor device. The notch is arranged so that the longitudinal direction of an active region formed on the plane is parallel with the direction of a crystal lattice.