Abstract: A nonvolatile memory device includes a memory cell array and a row decoder. The memory cell array includes a plurality of mats. A first cell string of first mat is connected to a plurality of first word-lines, a first bit-line and a first string selection line. A second cell string of second mat is connected to a plurality of second word-lines, a second bit-line and a second string selection line. Each of the first and second cell strings includes a ground selection transistor, memory cells, and a string selection transistor coupled in series. The row decoder applies a first voltage to a third word-line among the plurality of first and second word-lines for a first period of time in a single mat mode and to apply a second voltage to the third word-line for a second period of time longer than the first period of time in a multi-mat mode.

Abstract: A smart drilling system includes a terminal configured to map a design space to an actual space and having perforation location information in the design space, a drilling machine including a drill for perforation and configured to perform perforation in the actual space under control of the terminal based on the perforation location information, and a total station configured to acquire location information of a reference point in the actual space for mapping the design space to the actual space and location information of the drilling machine in the actual space, and to transmit the location information of the reference point in the actual space and the location information of the drilling machine to the terminal, wherein the terminal recognizes and displays a perforable region or a perforable point at a current position of the drilling machine.

Abstract: A seat-interlocking leg rest control system includes: a first actuator configured to move a seat for a vehicle, the seat including a seat cushion and a seatback, in a forward-backward direction or an upward-downward direction of the vehicle; a second actuator configured to rotate a leg rest, rotatably coupled to the front end portion of the seat cushion, in the upward-downward direction; and a controller connected to the first actuator and the second actuator to control operation of the second actuator such that the rotation angle of the leg rest is limited based on the position of the seat.

Abstract: Disclosed is a tape measure which includes a first housing module including a first housing providing a spring space on one side, a rotational shaft mounted rotatably on the first housing, a spring located in the spring space, the spring coupled to the first housing by one end and coupled to the rotational shaft by the other end, and a first cover covering the spring space, an installable bobbin rotatably mounted around the rotational shaft while being in close contact with the rotational shaft or the first cover of the first housing module is wound, and a second housing module including a second housing assembled with the first housing and a power transmission part for transmitting the rotation of the rotational shaft to the bobbin, wherein the first housing, the spring, the rotational shaft, the power transmission part, and the bobbin are mechanically connected when the bobbin is installed onto the first housing module and the second hosing module is assembled to the first housing module.

Abstract: A CMP slurry composition for copper films and a method of polishing a copper film using the same are disclosed, the composition including a polar solvent or a non-polar solvent; and polishing particles modified with a silicon-containing compound, wherein the silicon-containing compound is represented by Formula 1,

Abstract: Disclosed is a measuring tape which includes a housing, a reel received in the housing, and a blade wound on an outer surface of the reel and withdrawn or restored from an entrance of the housing, wherein the housing includes a base which adheres to an outside by using a magnetic force, a first receiving groove providing at least a pair of first lower boundaries parallel to a first direction in which the blade is withdrawn and a second receiving groove providing at least a pair of second lower boundaries parallel with a second direction crossing the first direction are formed on a bottom of the base, and the base is able to be fixed in a two-axis direction with respect to a curved structure by using the first lower boundaries or the second lower boundaries.

Abstract: Disclosed is a measuring tape which comprises a housing, a reel received in the housing, and a blade wound on an outer surface of the reel and withdrawn or restored from an entrance of the housing, the measuring tape comprising: a finger recess formed through a bottom surface of the housing to expose a bottom surface of the blade; and a brake including a slide button exposed to the upper portion of the entrance, a brake plate slidely moving inside the housing depending on the movement of the slide button, and a brake port formed at an end of the brake plate to selectively press the upper surface of the blade, wherein the brake pork is positioned on the upper portion of the finger recess in a released state, and presses the upper surface of the blade by moving to the rear side of the finger recess in a locked state.

Abstract: Disclosed is a dip-coating method as a method of coating an outer surface of a target mold including steps of: preparing and putting a supporting liquid in a container; applying a coating material to the target mold; dipping the target mold in the supporting liquid; shaking the target mold surrounded by the coating material in the supporting liquid; curing the coating material surrounding the target mold in the supporting liquid; and taking out the coated target mold from the supporting liquid.

Abstract: A tape measure having a light emitting device includes a housing, a reel received in the housing, and a blade wound on the reel to be extended or retracted through an inlet of the housing, and further includes a first case, a second case coupled with the first case to form the housing, a light emitting portion positioned in front of the center of the reel around the inlet of the housing, and a light emitting circuit portion positioned in the rear side of the center of the reel by facing the light emitting portion, wherein the light emitting circuit portion includes a circuit board disposed on a rear lower side of the housing, and the first case and the second case provide circuit receiving spaces for receiving the circuit board, respectively.

Abstract: Provided is a compact-sized tape measure including a housing, a reel rotatably mounted in the housing, and a blade wound on an outer surface of the reel and drawn out through an inlet of the housing, in which the reel includes a spring providing a force for winding the blade and a bobbin providing an inner space receiving the spring and an outer space for winding and storing the blade, and a width of a spring receiving space capable of receiving the spring in the inner space is larger than a width of a blade receiving space capable of receiving the blade in the outer space.

Abstract: Equipment for manufacturing a separator plate for a fuel cell comprises: a press which receives a conveyed first metal strip and second metal strip, vertically arranges the metal strips side by side, and forms patterns on each of the first metal strip and the second metal strip; a welding machine which overlaps the first metal strip and the second metal strip conveyed from the press, and integrally joins the metal strips by welding same in a state in which the patterns are aligned face-to-face with each other; and guide rolls which are arranged in front of and behind the press and guide the first metal strip so that the first metal strip is supplied to the welding machine at an overlapping position with the second metal strip after passing through the press at a position spaced vertically apart from the second metal strip.

Abstract: A smart drilling system includes a terminal configured to map a design space to an actual space and having perforation location information in the design space, a drilling machine including a drill for perforation and configured to perform perforation in the actual space under control of the terminal based on the perforation location information, and a total station configured to acquire location information of a reference point in the actual space for mapping the design space to the actual space and location information of the drilling machine in the actual space, and to transmit the location information of the reference point in the actual space and the location information of the drilling machine to the terminal, wherein the terminal recognizes and displays a perforable region or a perforable point at a current position of the drilling machine.

Abstract: A smart drilling system includes a terminal configured to map a design space to an actual space and having perforation location information in the design space, a drilling machine including a drill for perforation and configured to perform perforation in the actual space under control of the terminal based on the perforation location information, and a total station configured to acquire location information of a reference point in the actual space for mapping the design space to the actual space and location information of the drilling machine in the actual space, and to transmit the location information of the reference point in the actual space and the location information of the drilling machine to the terminal, wherein the terminal recognizes and displays a perforable region or a perforable point at a current position of the drilling machine.

Abstract: Disclosed is a measuring tape which comprises a housing, a reel received in the housing, and a blade wound on an outer surface of the reel and withdrawn or restored from an entrance of the housing, the measuring tape comprising: a finger recess formed through a bottom surface of the housing to expose a bottom surface of the blade; and a brake including a slide button exposed to the upper portion of the entrance, a brake plate slidely moving inside the housing depending on the movement of the slide button, and a brake port formed at an end of the brake plate to selectively press the upper surface of the blade, wherein the brake pork is positioned on the upper portion of the finger recess in a released state, and presses the upper surface of the blade by moving to the rear side of the finger recess in a locked state.

Abstract: Disclosed is a measuring tape which includes a housing, a reel received in the housing, and a blade wound on an outer surface of the reel and withdrawn or restored from an entrance of the housing, wherein the housing includes a base which adheres to an outside by using a magnetic force, a first receiving groove providing at least a pair of first lower boundaries parallel to a first direction in which the blade is withdrawn and a second receiving groove providing at least a pair of second lower boundaries parallel with a second direction crossing the first direction are formed on a bottom of the base, and the base is able to be fixed in a two-axis direction with respect to a curved structure by using the first lower boundaries or the second lower boundaries.

Abstract: A smart drilling system includes a terminal configured to map a design space to an actual space and having perforation location information in the design space, a drilling machine including a drill for perforation and configured to perform perforation in the actual space under control of the terminal based on the perforation location information, and a total station configured to acquire location information of a reference point in the actual space for mapping the design space to the actual space and location information of the drilling machine in the actual space, and to transmit the location information of the reference point in the actual space and the location information of the drilling machine to the terminal, wherein the terminal recognizes and displays a perforable region or a perforable point at a current position of the drilling machine.

Abstract: A method of operating a relief valve assembly for an oil pump includes unblocking a first bypass inlet passage and blocking a first bypass outlet passage, a second bypass inlet passage, and a second bypass outlet passage with a plunger, introducing oil to the relief valve assembly, moving the plunger in a downward direction by a first displacement to unblock the first bypass outlet passage, starting a first bypass of the oil, moving the plunger in the downward direction by a second displacement to block the first bypass inlet passage and unblock the second bypass inlet passage, terminating the first bypass of the oil, moving the plunger in the downward direction by a third displacement to unblock the second bypass outlet passage, and starting a second bypass of the oil.

Abstract: A method of operating a relief valve assembly for an oil pump includes unblocking a first bypass inlet passage and blocking a first bypass outlet passage, a second bypass inlet passage, and a second bypass outlet passage with a plunger, introducing oil to the relief valve assembly, moving the plunger in a downward direction by a first displacement to unblock the first bypass outlet passage, starting a first bypass of the oil, moving the plunger in the downward direction by a second displacement to block the first bypass inlet passage and unblock the second bypass inlet passage, terminating the first bypass of the oil, moving the plunger in the downward direction by a third displacement to unblock the second bypass outlet passage, and starting a second bypass of the oil.

Abstract: A CMP slurry composition for copper films and a method of polishing a copper film using the same are disclosed, the composition including a polar solvent or a non-polar solvent; and polishing particles modified with a silicon-containing compound, wherein the silicon-containing compound is represented by Formula 1,

Abstract: Disclosed is a dip-coating method as a method of coating an outer surface of a target mold including steps of: preparing and putting a supporting liquid in a container; applying a coating material to the target mold; dipping the target mold in the supporting liquid; shaking the target mold surrounded by the coating material in the supporting liquid; curing the coating material surrounding the target mold in the supporting liquid; and taking out the coated target mold from the supporting liquid.