Abstract:
본 발명은 제1 방향으로 연장되는 활성 영역들 및 상기 활성 영역들을 정의하는 소자 분리막을 포함하는 기판, 상기 활성 영역들을 상기 제1 방향과 교차하는 제2 방향으로 가로지르는 워드 라인들, 상기 활성 영역들 및 상기 워드 라인들과 교차하며 상기 제2 방향에 수직한 제3 방향으로 연장되는 비트 라인 구조체들, 상기 비트 라인 구조체들 및 상기 활성 영역들 사이에 제공되는 제1 콘택들, 상기 비트 라인 구조체들 각각의 측벽 상에 제공되는 스페이서 구조체들, 및 인접하는 상기 비트 라인 구조체들 사이에 제공되며, 상기 활성 영역들과 연결되는 제2 콘택들을 포함하되, 상기 스페이서 구조체들은 상기 비트 라인 구조체들의 측벽으로부터 상기 소자 분리막의 측벽 상으로 연장되는 반도체 소자 및 그의 제조 방법을 개시한다.
Abstract:
진공펌프의 흡입구 또는 배출구에 설치되는 진공펌프용 이젝터에 관한 것으로서, 길이방향을 따라 제1유체가 유동될 수 있는 유로가 형성되고, 상기 유로의 중간에 단면적이 축소 및 확대되는 병목구간이 형성된 몸체; 및 상기 몸체에 설치되어, 상기 병목구간을 향해 제2유체를 분사하는 노즐을 포함하는 것을 특징으로 한다.
Abstract:
PURPOSE: A rotary cleaning apparatus and a vacuum pump including the same are provided to clean a rotary shaft and the external side of protrusions on the rotary shaft by supplying a cleaning material to the rotary shaft. CONSTITUTION: A rotating body includes one or a plurality of rotary shafts(210) with protrusions(220). A cleaning part includes one or a plurality of rotary holes through which the rotary shafts are inserted. The cleaning part cleans the rotary shafts by running a cleaning material through the rotary holes. A cleaning body(310) includes a chamber. Main spraying holes are formed on both sides of the cleaning body to be connected with the chamber.
Abstract:
PURPOSE: A drum washing machine is provided to reduce noise and contaminants by increasing the structural integrity of a tub and by smoothing the inner rear surface of the tub. CONSTITUTION: A drum washing machine comprises a main body, a drum, a tub, a shaft, and a motor. The drum is pivotally installed inside the main body. The tub is arranged outside the drum. The shaft is connected to the drum through the rear wall of the tub in order to rotate the drum. The motor is installed outside the tub and generates the driving force for rotating the shaft. A reinforcing rib is formed on the outer surface of the rear wall(10) of the tub.
Abstract:
A tag authentication method using the rotation and a tag and a reader for executing the method are provided to completely synchronize the leader and the tag by using the rotation factor and the rotation function. A tag authentication method using the rotation is as follows. A reader produces the first random number as the challenge(S301). A tag produces the second random number as the blinding factor(S302). The first random number is transmitted to the tag by the reader(S303). The tag produces the rotation factor by using the first random number and the first secrete value(S304). The tag calculates the first verification value based on the second random number, the second secrete value, and the rotation factor(S305). The tag transmits the first verification value and the second random number generated as the blinding factor to the reader(S306). The reader produces the rotation factor by using the second random number and the first secrete value(S307). The reader calculates the second verification value based on the first random number, the second secrete value, and the rotation factor(S308). The first verification value and the second verification value are compared by the reader(S309).
Abstract:
An exhaust pipe having turbulence wings and an exhaust system are provided to prevent byproducts from being adhered to an inner wall of the exhaust pipe. An exhaust pipe includes an outer pipe(53), an inner pipe(63), an exhaust gas passage(50'), a gap(57), and at least two turbulence wings(63W). The outer pipe has a gas injection hole(55). The inner pipe is mounted inside the outer pipe and has a plurality of turbulence wings and first gas exhaust holes adjacent to each of the turbulence wings. The exhaust gas passage is projected inward on the inner pipe. The gap is formed between the outer pipe and the inner pipe. The turbulence wings are connected to the gas injection hole via the gap.