Abstract: A method for fabricating a semiconductor device includes: forming a first oxide layer containing a first element over a first electrode layer; forming a second oxide layer containing a second element over the first oxide layer; forming a stacked structure in which a plurality of first oxide layers and a plurality of second oxide layers are alternately stacked by repeating the forming of the first oxide layer and the forming of the second oxide layer a plurality of times; and forming a second electrode layer over the stacked structure, wherein a thickness of a lowermost first oxide layer among the plurality of first oxide layers is greater than a thickness of each of other first oxide layers.

Abstract: A vehicle body structure includes: a roof side assembly connecting upper ends of pillars of a vehicle body along the forward/backward direction of the vehicle body, the roof side assembly constituting an A-pillar of the vehicle body; and an outer garnish coupled to the outside of the roof side assembly, wherein the roof side assembly includes: a pipe having a closed cross-section shape and elongated in the forward/backward direction of the vehicle body so as to form a closed section; an upper reinforcement member coupled to the upper side of the pipe and elongated in the forward/backward direction of the vehicle body; a lower reinforcement member coupled to the lower side of the pipe and elongated in the forward/backward direction of the vehicle body; and an inner reinforcement member coupled to the vehicle body inner side of the pipe and elongated in the forward/backward direction of the vehicle body.

Abstract: The present invention relates to a fire resistant paint composition, to a production method for same and to a painting method for a fire resistant paint using same, and, one example of implementation of the present invention can provide a fire resistant paint composition comprising: between 70 and 95 wt. % of a binder; between 1 and 10 wt. % of an aerogel; between 1 and 5 wt. % of a foaming agent; and the remainder of water, and can provide a production method for same and a painting method for a fire resistant paint using same.

Abstract: The spindle position orientation apparatus of a boring machine includes a main spindle attached to a casing and around which a cylindrical cam is fixed, a slider disposed on a guide rod to be movable right and left thereby rotating the cylindrical cam, and a limit switch which is opened and closed by a dog attached to a piston. The piston is disposed in a hydraulic cylinder fixed to the casing, one end of the piston is fixed to the slider and the dog is formed on the other end.

Abstract: Disclosed is a hydraulic control system of a transfer system for a machine tool, including a hydraulic pump for generating hydraulic pressure, a first directional control valve for controlling the flow direction of fluid from the hydraulic pump, a first flow speed control part located between the first direction control valve and a rotary cylinder to control the flow speed of fluid flowing therebetween, a second direction control valve controlling a flow direction of fluid fed from the first directional control valve and returned to a fluid tank, and a second flow speed control part for controlling flow speed of the returning fluid in accordance with a port variation of the second directional control valve.