Abstract: A filter for controlling a pH of purified water is disclosed. The pH-controlling filter according to an aspect of the present disclosure may include a water permeable filter having a hollow formed in a center of a cross-section from one end to the other end; a lower stopper closing a lower end of the water permeable filter, a filling unit inserted into the hollow of the water permeable filter to form an inner space, the filling unit having an inlet through which the purified water passing through the water permeable filter flows into the inner space and an outlet through which the purified water passing through the inner space flows out; and control particles filled in the inner space of the filling unit to adjust a pH of the purified water passing through the inner space of the filling unit and comprising OH group-generating particles configured to supplement the purified water passing through the inner space with OH groups.

Abstract: A wafer manufacturing method, an epitaxial wafer manufacturing method, and a wafer and epitaxial wafer manufactured thereby, are provided. The wafer manufacturing method enables the manufacture of a wafer with a low density of micropipe defects and minimum numbers of particles and scratches. The epitaxial wafer manufacturing method enables the manufacture of an epitaxial wafer that has low densities of defects such as downfall, triangular, and carrot defects, exhibits excellent device characteristics, and improves the yield of devices.

Abstract: A semiconductor device includes, first and second source/drain patterns on an active pattern and spaced apart from each other, a first source/drain contact on the first source/drain pattern and including a first source/drain barrier film and a first source/drain filling film on the first source/drain barrier film, a second source/drain contact on the second source/drain pattern, and a gate structure on the active pattern between the first and second source/drain contacts and including a gate electrode, wherein a top surface of the first source/drain contact is lower than a top surface of the gate structure, and a height from a top surface of the active pattern to a top surface of the first source/drain barrier film is less than a height from the top surface of the active pattern to a top surface of the first source/drain filling film.

Abstract: Provided is a duct docking device for a ventilation seat of a vehicle. The duct docking device enables air to be easily blown to a seatback and a seat cushion with a passenger in a seat using only one blower by enabling a seatback duct mounted at the seatback and a seat cushion duct mounted at the seat cushion to be hermetically docked through a connector duct, etc. at an unfolded position of the seatback in which a passenger can sit, and by enabling the seatback duct mounted at the seatback and the seat cushion duct mounted at the seat cushion to be separated from each other at a folded position of the seatback in consideration of that there is no passenger in the seat.

Abstract: A display device includes: a display panel; a driving voltage generator; a power voltage generator; an input voltage generator; and a timing controller. The display panel is provided with a pixel configured to emit light by using a driving voltage. The driving voltage generator is configured to supply the driving voltage to the pixel. The power voltage generator is configured to generate power voltages for driving of the display panel by using an input voltage, and generating an input voltage sensing value by sensing the input voltage. The input voltage generator is configured to supply the input voltage to the power voltage generator. The timing controller is configured to control an operation of at least one of the driving voltage generator, the power voltage generator, and the input voltage generator according to the input voltage sensing value.

Abstract: A hair dye dispenser according to an embodiment of the present invention includes a housing having an opening hole formed on one side of which a hair dye is provided, a plurality of cartridges disposed inside the housing and accommodating at least one dyeing material, a main body in which the plurality of cartridges are rotatably disposed, a main motor for rotating the main body so that a first cartridge of the plurality of cartridges is located adjacent to the opening hole, a discharge module for discharging the dyeing material contained in the first cartridge, and an accommodating body in which a basket accommodating the dyeing material discharged by the discharge module is placed, wherein the discharge module may include an elevating body that pressurizes the first cartridge when moving up and is separated from the first cartridge when moving down.

Abstract: Disclosed herein is a casing rotator capable of distributing loads applied to bearings to protect the bearings even though verticality of a casing is not matched with verticality of an intermediate frame or an upper frame of a rotator. The casing rotator includes a lower frame unit, an intermediate frame unit, an upper frame unit, a clamping cylinder, and a post unit. The lower frame unit includes a lower frame, an outrigger, and a retainer portion. The intermediate frame unit includes an intermediate frame, a drive motor, a clamp body, and a drive bearing. The upper frame unit includes an upper frame, a wedge clamp, and an upper bearing. The clamping cylinder is configured to be stretchable. The post unit includes a guide post, a lower guide, a crowd cylinder, and an upper guide.

Abstract: Provided is a pressure-reduction skin management device, which includes: a suction unit for sucking the skin by applying a pressure reduction force to the skin so as to more effectively transfer a stimulus for skin management to the skin while sufficiently securing the pressure reduction force; and a skin stimulation unit provided on the suction unit, for applying energy to the expanded skin. The suction unit includes: a suction cup having a space formed therein and an open lower end to transfer the energy to the skin when coming into contact with the skin; and a housing surrounding the upperportion and the side surface of the suction cup while being spaced apart outward from the suction cup, the housing forming the outer shape of the suction unit. The skin stimulation unit includes a heating/cooling unit provided on the suction cup, for heating or cooling the suction cup.

Abstract: A test socket is provided that includes a socket body to receive an object to be tested, a lid disposed on the socket body, one or more pushers coupled to a first surface of lid to apply force to a first surface of the object toward the socket body, and a temperature controlling member to provide a temperature to the object. A semiconductor package may be tested in a test apparatus that includes the test socket, the methods of testing including receiving a semiconductor package in a socket in a test chamber, applying a first temperature to the test chamber to test the semiconductor package at a first test temperature, and applying a second temperature to the semiconductor package to test the semiconductor package at a second test temperature by controlling the application of the second temperature with the socket.

Abstract: An apparatus for testing objects includes a test board having electrical connection areas to connect to the objects, a chamber fixture located on the test board to form test chambers that are configured to individually receive the objects, a thermoelectric element provided to each test chamber to adjust the temperature of the object, and a temperature controller for individually controlling operations of the thermoelectric elements.

Abstract: A test socket in accordance with one aspect of the present invention includes a socket body, a thermoelectric element and a heat transfer member. The socket body receives an object. The thermoelectric element is arranged in the socket body to emit heat and absorb heat in accordance with current directions. The heat transfer member is arranged between the object and the thermoelectric element to transfer a heat generated from the object to the thermoelectric element. Thus, the object may be directly provided with a desired test temperature using the thermoelectric element so that the desired test temperature may be set rapidly and accurately. Further, the heat transfer member interposed between the object and the thermoelectric element may quickly dissipate the heat in the object.

Abstract: A testing module for use in testing a semiconductor chip for failures in its integrated circuits includes a test fixture, and a decapsulated semiconductor device package mounted to the fixture. The semiconductor device package includes a semiconductor chip having an active front surface at which the integrated circuits are formed, a back which is opposed to the active front, a plurality of leads for electrically connecting the semiconductor chip to an external apparatus, and a package body having a backside which is decapsulated so as to expose the back of the semiconductor chip. The test fixture includes a fixture body having a loading surface contacting the front of the package body and supporting the semiconductor device package, a cover which has an opening through which the back of the semiconductor chip is exposed, and a plurality of projections contacting the leads of the semiconductor device package.

Abstract: An apparatus for testing a semiconductor memory is disclosed, which includes a power control module for varying an output voltage of the power supply unit and supplying to the semiconductor memory in accordance with a power control signal from a CPU(Central Processing Unit) of the main board, and an interface unit for supplying the power control signal from the CPU of the main board to the power control module, thus implementing an accurate operation state of an actual mounting environment of a semiconductor memory device by varying and supplying a certain voltage supplied from a power supply unit when testing whether a semiconductor memory device is defective or not using a main board of a computer apparatus.

Abstract: Disclosed is a method of adjusting a tractor to a horizontal position and an apparatus for performing the same. The method comprises the steps of determining whether or not the tractor is in an automatic mode, determining whether the tractor is in a flat land or in a slope land if the tractor is in the automatic mode, adjusting a height of the body with respect to a ground if the tractor is in the flat land, determining a driving direction of the tractor if the tractor is in the slope land, adjusting the body to the horizontal position by controlling the body in left and right directions thereof if the tractor is driving in a contour direction, adjusting the body to the horizontal position by controlling the body in front and rear directions thereof if the tractor is driving in a latitudinal direction, and adjusting the body to the horizontal position by controlling the body in front, rear, left and right directions thereof if the tractor is driving in an oblique direction.