Abstract:
PURPOSE: A method for manufacturing a semiconductor device using SMT(Stress Memorization Technique) is provided to reduce a defect by controlling a growth speed of a crystal. CONSTITUTION: A substrate with a source region and a drain region is provided(S100). C or N is implanted in an amorphous region(S120). A stress induction layer covering the substrate is formed(S130). The region is recrystallized by thermally processing the substrate(S140). The stress induction layer is removed(S150). [Reference numerals] (S100) Provide a substrate including a gate electrode and source/drain regions; (S110) Perform an amorphizing process for the source/drain regions by performing a PAI process; (S120) Implant C or N in the amorphous source/drain regions; (S130) Form a stress induction layer; (S140) Recrystallize the source/drain regions by thermally processing the substrate; (S150) Remove the stress induction layer
Abstract:
PURPOSE: A semiconductor device and a manufacturing method thereof are provided to improve etch selectivity between a phase change region and a semiconductor substrate by removing the phase change region with a wet etching process. CONSTITUTION: An amorphous region is formed by implanting amorphous element ions to a part of a semiconductor substrate(S155). A phase change region is formed by annealing the amorphous region(S157). A concave region is formed by removing the phase change region(S160). A recess region is formed by an anisotropic wet etching process in the concave region. [Reference numerals] (S150) Forming a phase change area by changing a part of a phase on a semiconductor substrate; (S155) Forming an amorphous region by implanting amorphous element ions to a part of the semiconductor substrate; (S157) Annealing the amorphous region; (S160) Forming a concave region by removing a phase change area
Abstract:
PURPOSE: A transistor formation method, a complementary transistor formation method, and a semiconductor device manufacturing method using the same are provided to apply stress on an amorphous ion injection region by thermally treating a substrate, thereby easily arranging a crystalline ion injection region which has compressive stress. CONSTITUTION: A gate structure(140) is formed on a substrate(100). An amorphous ion injection region(102) is formed on the upper part of the substrate using the gate structure as an ion injection mask. A first tensile stress film(170) which includes metal oxide is arranged on the substrate. The amorphous ion injection region is crystallized by thermally treating the substrate. A first impurity is doped on the upper part of the substrate using the gate structure as the ion injection mask.
Abstract:
PURPOSE: A strained semiconductor device manufacturing method is provided to effectively transfer stress on a substrate from a stress film by not arranging a thick etching stopping film on the substrate. CONSTITUTION: A gate structure(130) is arranged on a substrate(100). A gate insulating film(110) and a gate electrode(120) are included in the gate structure. A diffusion barrier film(160) is arranged on the substrate and the gate structure. A stress film is formed on the diffusion barrier film using metal nitride or oxide materials. The stress film is formed into a tensile stress film(170a) by heat-treating the substrate.
Abstract:
핀 구조에서 유전율이 낮은 물질을 이용하여 게이트 스페이서를 형성함으로써, 게이트와 소오스 및/또는 드레인간의 용량 커플링(capacitive coupling) 현상을 경감시킬 수 있는 반도체 소자를 제공하는 것이다. 상기 반도체 소자는 소자 분리막 상에 돌출되어 형성된 핀형 액티브 패턴, 상기 소자 분리막 상에, 상기 핀형 액티브 패턴을 교차하도록 형성된 게이트 전극, 상기 게이트 전극의 양측에, 상기 핀형 액티브 패턴 상에 형성된 상승된 소오스/드레인(elevated source/drain), 및 상기 소자 분리막과 상기 상승된 소오스/드레인 사이에, 상기 핀형 액티브 패턴의 측벽에 형성되고, 저유전 상수(low dielectric constant)를 갖는 핀 스페이서를 포함한다.
Abstract:
PURPOSE: A semiconductor device and a manufacturing method thereof are provided to improve mobility of a carrier in a channel area by applying extensible stress or compressive stress in the channel area. CONSTITUTION: A gate pattern(120) is formed on a substrate(110). The gate pattern includes a gate insulation layer(121) and a gate electrode(122). A gate spacer(124) is formed on the sidewall of the gate pattern. The gate spacer includes a first spacer(124a) and a second spacer(124b). A re-crystallization area(130) is formed on the substrate around the gate pattern and includes a laminate defect.