Abstract:
반도체 소자의 전극 및 그 형성 방법에서, 반도체 소자의 전극을 형성하기 위하여 기판 상에 불순물이 도핑된 폴리실리콘막을 형성한다. 상기 폴리실리콘막 상에 하드 마스크 패턴을 형성한다. 상기 하드 마스크 패턴을 식각 마스크로 사용하여 상기 폴리실리콘막의 적어도 일부분을 식각함으로써 예비 폴리실리콘 패턴을 형성한다. 상기 예비 폴리실리콘 패턴 표면을 질소와 반응시켜 상기 예비 폴리실리콘 패턴 표면 상에 질화막을 형성한다. 다음에, 상기 하드 마스크 패턴을 식각 마스크로 사용하여 예비 폴리실리콘 패턴을 식각함으로써 폴리실리콘막 패턴을 형성한다. 상기 방법에 의해 전극을 형성하는 경우, 상기 전극에 포함된 폴리실리콘막 패턴의 불순물 확산이 억제된다.
Abstract:
PURPOSE: A recess channel transistor, a method for forming the same, a semiconductor device including the same, and a manufacturing method thereof are provided to reduce a lump failure due to the concentration of an electric field by rounding a recess channel transistor. CONSTITUTION: A recess channel transistor includes a substrate, a gate oxidation layer(158), a gate electrode(162a), a source/drain. The substrate is divided into an active region(150a) and a device isolation region. The active region includes a recess part. The gate oxidation layer is formed on the inner wall of the recess part and the upper side of the substrate. The thickness of the layer in contact with the sidewalls of the recess unit and the active region is 70% thicker than the layer of the layer on the sidewall of the recess unit. The gate electrode is formed on the gate oxidation layer and is positioned inside the recess part. The source/drain is formed under the substrate on both sides of the gate electrode.
Abstract:
An apparatus of cleaning a chamber for fabricating a semiconductor device and a method of cleaning the same are provided to reduce an error rate in a manufacturing process by removing residual by-products in an inside of a chamber. A first plasma supply unit supplies first plasma to an inside of a chamber(102) in order to remove a first product(20) attached on an inner wall of the chamber. A second plasma supply unit supplies second plasma to the inside of the chamber in order to remove a second product(30). An upper electrode(110) and a lower electrode(120) are installed in the inside of the chamber. The first plasma and the second plasma are generated in the inside of the chamber by using the upper electrode and the lower electrode. An analysis unit(150) analyzes components of the first and second plasma. A control unit(160) is connected to the first and second plasma supply units in order to control the first and second plasma supply units according to an analyzed result of the analysis unit.
Abstract:
본 발명의 핀 전계 효과 트랜지스터의 제조 방법은 반도체 기판으로부터 돌출된 핀을 형성하고, 상기 핀의 상부 가장자리를 라운딩시키면서 상기 핀의 상부면과 측면을 덮도록 게이트 절연막을 동시에 형성하되 상기 핀의 상부면 상에 형성되는 상기 게이트 절연막의 두께를 상기 핀의 측면 상에 형성되는 상기 게이트 절연막의 두께보다 두껍게 형성하고, 상기 핀을 가로지르며 상기 게이트 절연막을 덮게 게이트 전극을 형성하는 것을 포함한다.
Abstract:
PURPOSE: A wafer heat treating method is provided to prevent a wafer from breaking by performing a rapid heat treatment process after arranging the wafer in order not to position the defect of the wafer at an uneven temperature gradient area in a process chamber. CONSTITUTION: A defect of a wafer is detected. The wafer is arranged in order to position the defect at remaining areas except uneven temperature gradient areas in a process chamber (400). The wafer is rapidly heat-treated in the process chamber. The process chamber has a hexahedron shape of a rectangular cross section. The uneven temperature gradient areas are corner areas of the rectangular cross section.
Abstract:
PURPOSE: A fin field effect transistor and a method for manufacturing the same are provided to prevent the concentration of electric field on the upper edge of a fin by forming a thick gate insulation layer on the upper side of the fin. CONSTITUTION: A fin(3) is protruded from a semiconductor substrate. A gate insulation layer(7) covers the upper side and the lateral side of the fin. A gate electrode(11) covers the gate insulation layer. The upper edge(9) of the fin is a round shape in order to disperse electric field which is applied through the gate electrode. The thickness of the gate insulation layer on the upper side of the fin is thicker than the gate insulation layer on the lateral side of the fin.
Abstract:
PURPOSE: A deposition method for forming a low temperature deposition layer is provided to simplify a process by performing a series processes consecutively through PIIID(Plasma Ion Immersion Implantation and Deposition). CONSTITUTION: In a device, a substrate(100) has a first active region(102) and a second active region(132). A first gate pattern(110) is formed in the first active region. A second gate pattern(140) is formed in the second active region. A first mask film is formed on the substrate in order to expose one of the first and the second active region to the outside. A low doped drain is formed in the first active region adjacent to both side wall of the first gate pattern. A first sacrifice film is formed on the first mask film and the substrate a plasma deposition using PIIID.
Abstract:
A manufacturing method of the semiconductor device is provided to reduce the equivalent thickness of capacitance of the gate insulating layer by maximizing the dosage of the conductive film. A manufacturing method of the semiconductor device comprises the following steps: the step for providing the silicon layer; the step for plasma-doping the silicon layer using the mixed gas of BF3 and B2H6; the step for providing the semiconductor substrate(100) consisting of the single-crystal silicon. The plasma-doping to the silicon layer is to form the reaction layer which is formed by the reaction of the mixed gas consisting of BF3 and B2H6, and the silicon.
Abstract translation:提供半导体器件的制造方法,以通过使导电膜的用量最大化来减小栅绝缘层的电容的等效厚度。 半导体器件的制造方法包括以下步骤:提供硅层的步骤; 使用BF3和B2H6的混合气体等离子体掺杂硅层的步骤; 提供由单晶硅组成的半导体衬底(100)的步骤。 对硅层的等离子体掺杂是形成通过由BF 3和B 2 H 6组成的混合气体与硅反应而形成的反应层。