Abstract:
본 발명의 실시예들은 SDN(Software-defined networking)에서 네트워크 장애 해소를 위한 컨트롤러 및 스위치의 동작 방법과, 이를 위한 컨트롤러 및 스위치를 제공한다. 본 발명의 일 실시예에 따르면, SDN에서 네트워크 장애 해소를 위한 컨트롤러의 동작방법은, 적어도 하나 이상의 스위치로부터 전송된 BFD(Bidirectional Forwarding Detection) 기능에 관한 BFD 수행능력정보를 포함하는 프로토콜 정보에 따라, 스위치들을 경유하는 데이터의 전송 경로에 관한 플로우 엔트리정보 및 상기 BFD 기능을 위해 상기 플로우 엔트리정보와 매핑된 세션 매핑정보를 생성하고, 상기 생성된 플로우 엔트리정보 및 상기 BFD 기능을 위한 설정을 지시하는 세션 설정신호를 상기 스위치로 전송하는 과정; 및 상기 스위치로부터 전송된 상기 BFD 기능에 의한 세션 상태에 따라, 상기 생성된 플로우 엔트리정보를 업데이트하는 과정을 포함한다.
Abstract:
A semiconductor device and a method of manufacturing the same are provided. A semiconductor device may include a substrate having a cell region and a peripheral region, a cell gate electrode which is buried in a groove which crosses the cell active part of the cell region, a cell line pattern which crosses the upper part of the cell gate electrode and is connected to a first source/drain region which is formed in the cell active part of the one side of the cell gate electrode, a peripheral gate pattern which crosses the upper part of the peripheral active part of the peripheral region, a planarized interlayer dielectric which is arranged on the substrate around the peripheral gate pattern, and a capping insulating layer which is arranged on the planarized interlayer dielectric and the upper surface of the peripheral gate pattern. The capping insulating layer may include an insulating material which has etch selectivity to the planarized interlayer dielectric.
Abstract:
A semiconductor device is provided. The semiconductor device includes a plurality of bit lines which intersect with an active region on a substrate and are extended in a first direction; a plurality of contact pads which are formed on the active region between the adjacent bit lines and include an epitaxial semiconductor layer; and a plurality of contact plugs which are formed on each contact pad between the adjacent bit lines.
Abstract:
The present invention relates to a semiconductor device and a manufacturing method thereof. According to one embodiment of the present invention, the semiconductor device and the manufacturing method thereof include a first impurity injection region and a second impurity injection region; a storage node contact which touches the first impurity injection region; a bit line; a bit line node contact which is arranged between the bit line and the impurity injection region; and a spacer. According to the present invention, a leakage current between the storage node contact and the bit line node contact can be prevented.
Abstract:
A semiconductor device according to an embodiment of the present invention includes: a semiconductor substrate, edge active pillars which protrude from the upper surface of the semiconductor substrate in a vertical direction, a center active pillar between the edge active pillars, a burying word lines which are arranged between the center active pillar and the edge active pillars, and a burying bit line which is arranged in the center active pillar and arranged in a diagonal direction to the burying word lines. The upper surface of the burying bit line is lower than the upper surface of the center active pillar. The lower surface of the burying bit line is higher than the upper surface of the burying word lines.
Abstract:
The present invention relates to a method for manufacturing a semiconductor device comprising a step for etching the central part of active areas and forming a bit line contact area which is positioned less than the flat upper surface of a substrate; a step for forming a bit line structure on the bit line contact area; a step for forming a column silicon oxide film pattern which is touched to the upper surface of the edge part of the active area and the upper surface of a device separation film pattern; a step for filling both sides of the column silicon oxide film pattern and forming an interlayer insulating film by using an insulating material having the silicon oxide film pattern and an etching selective ratio; a step for forming a preparative contact hole by selectively removing the silicon oxide film pattern; a step for forming a contact hole which exposes the upper surface and a side of the edge part of the both sides of the active area by removing the device separation film pattern of the preparative contact hole; and a step for forming contact by filling a conductive material inside the contact hole. The present invention is provided to manufacture the semiconductor device comprising the contact having low resistance by increasing a contact area.
Abstract:
PURPOSE: A semiconductor device with a DC structure is provided to reduce contact resistance by including a top DC plug with a top part which is wider than a bottom part. CONSTITUTION: An interlayer dielectric layer is formed on a substrate. The substrate is exposed through a DC hole (160H). An insulating DC spacer is formed on the inner wall of the DC hole. A conductive DC plug is formed on the insulating DC spacer and includes a bottom DC plug (172) and a top DC plug (174). The top DC plug has a relatively wide horizontal width.