Abstract: Disclosed is a small actuator for a robot, including an intermediate case including a driving motor and a plurality of reduction gears, a front case having a through-hole, a housing coupled to the intermediate case and including a rear case having at least one tapping hole, a rotation part that has a tapping hole, is connected to the protruding final reduction gear, and is rotated at a final reduction ratio, a first tapping screw that passes through the tapping hole of the rotation part and is fastened to a rotary shaft of the protruding reduction gear, and at least one second tapping screw that passes through one side of the front case and the intermediate case and is fastened to the tapping hole of the rear case.

Abstract: A computer system compresses value change data. Value change ranges are identified for value changes corresponding to different times. Codes are selected based on the identified value change ranges. The ranges are adjusted in response to the occurrence of a stop condition. The value change range codes are concatenated with machine-coded categories and stored.

Abstract: A display panel can include a plurality of first pixel circuits configured to receive a pixel driving voltage and a reference voltage for displaying an image; and a plurality of second pixel circuits including a power line supplied with the pixel driving voltage and a reference voltage line supplied with the reference voltage, the plurality of second pixel circuits being configured to short-circuit the power line to the reference voltage line for at least some amount of time within a vertical blank period. Also, the plurality of second pixel circuits can maintain uniform luminance of the plurality of first pixel circuits.

Abstract: An embodiment method of manufacturing an electrolyte membrane for fuel cells includes preparing a three-layer structure including a first ionomer layer on a first surface of a porous support and a second ionomer layer on a second surface of the porous support opposite the first surface, pressurizing an inert gas into the three-layer structure to produce a microporous membrane, impregnating the microporous membrane with an additional ionomer solution, and drying the microporous membrane.

Abstract: A display device comprises a display panel comprising an image display area and a non-display area, display pixels comprising light-emitting elements in the image display area and pixel driving units connected to the light-emitting elements, light-sensing pixels comprising photo-detecting units in a fingerprint sensing area in the image display area, and sense driving units connected to the photo-detecting units, a light-sensing reset driver configured to supply reset signals to the sense driving units of the light-sensing pixels for at least each horizontal line among the light-sensing pixels in response to a line select signal from a display driving circuit; and a fingerprint scan driver configured to sequentially supply a fingerprint scan signal to the sense driving units of the light-sensing pixels in response to a fingerprint scan control signal from the display driving circuit.

Abstract: A computer system compresses value change data. Value change ranges are identified for value changes corresponding to different times. Codes are selected based on the identified value change ranges. The value change range codes are concatenated with machine-coded categories and stored. The stored concatenated codes are used for transaction validation.

Abstract: A method of preparing a positive electrode active material includes mixing a positive electrode active material precursor with a lithium raw material and performing a primary heat treatment, and performing a secondary heat treatment at a temperature lower than that of the primary heat treatment to prepare a positive electrode active material. The primary heat treatment and the secondary heat treatment are respectively performed in an oxygen atmosphere. The secondary heat treatment is performed in the oxygen atmosphere with an oxygen concentration of 50% or more.

Abstract: An etching composition for etching a titanium aluminum nitride layer and a method of manufacturing an integrated circuit, the etching composition includes about 15 wt % to about 30 wt % of an oxidizing agent; about 1 wt % to about 10 wt % of a pH adjusting agent, the pH adjusting agent including an inorganic acid or an organic acid; about 0.001 wt % to about 1 wt % of an etching booster; and a solvent, all wt % being based on a total weight of the etching composition.

Abstract: Provided is a wire rod for a concrete reinforcing steel fiber, a steel fiber, and a manufacturing method therefor. According to one disclosed embodiment of a wire rod for a concrete reinforcing steel fiber, the wire rod comprises, by weight, C: 0.01 to 0.04%, Si: 0.07 to 0.3%, Mn: 1.0 to 2.0%, P: 0.1 to 0.3% and the balance of Fe and other unavoidable impurities, wherein, when the radius of the wire rod is r, in a region from the center of a cross section perpendicular of the longitudinal direction to 0.95*r, the area fraction of ferrite is 90% or more, and the remainder comprises pearlite, wherein the average grain size of the ferrite may be 30 ?m or less and the colony size of the pearlite may be 10 ?m or less.

Abstract: The present invention relates to a polymer carbon nitride, a specific crystal form of the polymer carbon nitride, and a cosmetic composition, an ultraviolet ray-blocking composition, and an external use skin preparation composition, which include the polymer carbon nitride. The polymer carbon nitride according to one aspect of the present invention and a crystal form produced by a specific preparation example thereof can absorb both UVA and UVB, and thus can effectively protect the skin from ultraviolet rays while also being non-toxic and thus suitable for living bodies and lacking photoactivity. Therefore, the polymer carbon nitride and the crystal form can be utilized in a cosmetic composition, an ultraviolet ray-blocking composition and an external use skin preparation composition, which are applied to the living body.

Abstract: One embodiment of the present invention provides: a high toughness high carbon cold rolled steel sheet having excellent formability comprising, by weight %, C: 0.80% to 1.25%, Mn: 0.2% to 0.6%, Si: 0.01% to 0.4%, P: 0.005% to 0.02%, S: 0.01% or less, Al: 0.01% to 0.1%, Cr: 0.01% to 1.0%, Sn: 0.05% to 0.5%, the remainder being Fe and other unavoidable impurities, in which a microstructure includes, by area %, retained austenite: 1% to 10%, martensite: 1% to 10%, ferrite: 5% or less (including 0%), the remainder being bainite, and has an average grain size of 3 ?m to 20 ?m, and an internal oxide layer formed directly below the surface has a thickness of 10 ?m or less; and a method for manufacturing same.

Abstract: The disclosed embodiments relate to systems and methods for generating an optimal solution for determining a value for one or more base data objects. A plurality of solutions include one or more composite data objects transacted by a transaction system processor. The composite data objects include the one or more base data objects. An optimal solution is generated by using data indicative of a level of activity and a number of sources for each of the plurality of composite data objects.

Abstract: A sensing panel includes a touch sensor that obtains information of a touch input in a sensing area, and a biometric sensor that obtains biometric information in a biometric sensing area. The touch sensor includes sensing pattern layers in the sensing area. The sensing pattern layers include cell electrodes and bridge electrodes electrically connecting the cell electrodes. The biometric sensor includes biometric sensing pattern layers in the biometric sensing area and trace lines electrically connected to the biometric sensing pattern layers. The trace lines and at least a portion of the bridge electrodes are disposed on a same layer. The trace lines bypass the bridge electrodes in a plan view.

Abstract: Provided is a biostable radiopaque substance that is absorbed within living tissue or inflammatory lesion in living tissue and uses thereof. The radiopaque substance does not cause an inflammatory reaction in surrounding tissue and is rapidly absorbed before healing occurs, thereby not interfering with healing and regeneration of damaged tissue. Therefore, the radiopaque substance of the present disclosure can be included in a biotransplantation material, for example, a root canal filling material for endodontic treatment, and be effectively used.

Abstract: The disclosed embodiments relate to systems and methods for generating an optimal solution for determining a value for one or more base data objects. A plurality of solutions include one or more composite data objects transacted by a transaction system processor. The composite data objects include the one or more base data objects. An optimal solution is generated by using data indicative of a level of activity and a number of sources for each of the plurality of composite data objects.

Abstract: The present disclosure relates to a medical cement composition containing calcium silicate in an amount of less than 20 wt % of a total weight of the composition, with a lithium salt being added thereto. The medical cement composition of the present disclosure has a low compressive strength of 12 MPa or less, after being hardened, for easy removal, excellent stability in storage, and high bioactivity.

Abstract: Proposed is an elastic body having variable rigidity, wherein the elastic body is used in a series elastic actuator module, connects an input and an output, and has a rigidity that varies according to the applied torque. The elastic body having variable rigidity comprises: a connection part which receives torque from the input side or the output side; and a spring part connected to and receiving torque from the one selected from among the input side and the output side which is different from the connection part, wherein the spring part is formed integrally with the connection part and has a rigidity that varies as the connection part and the spring part come into contact with each other due to deformation caused by the applied torque.

Abstract: The present invention relates to a composition of an intracanal medication agent for medicating root canals for a predetermined period of time. According to one aspect of the invention, there is provided an intracanal medication composition based on a calcium hydroxide component, comprising: calcium hydroxide or a calcium hydroxide producing component as a powder component; and at least one of diethyl sulfoxide (DMSO), N-methyl-2-pyrrolidone (NMP) and diethylene glycol monoethyl ether (DEGEE) as a liquid component.

Abstract: A crack detection chip includes a chip which includes an internal region and an external region surrounding the internal region, a guard ring formed inside the chip along an edge of the chip to define the internal region and the external region, an edge wiring disposed along an edge of the internal region in the form of a closed curve and a pad which is exposed on a surface of the chip and is connected to the edge wiring. The edge wiring is connected to a Time Domain Reflectometry (TDR) module which applies an incident wave to the edge wiring through the pad, and detects a reflected wave formed in the edge wiring to detect a position of a crack.

Abstract: Disclosed is a small actuator for a robot, including an intermediate case including a driving motor and a plurality of reduction gears, a front case having a through-hole, a housing coupled to the intermediate case and including a rear case having at least one tapping hole, a rotation part that has a tapping hole, is connected to the protruding final reduction gear, and is rotated at a final reduction ratio, a first tapping screw that passes through the tapping hole of the rotation part and is fastened to a rotary shaft of the protruding reduction gear, and at least one second tapping screw that passes through one side of the front case and the intermediate case and is fastened to the tapping hole of the rear case.