Abstract: The present invention relates to a hot-rolled steel sheet for a high strength galvanized steel sheet, having excellent surface quality, and a method for producing the same, the hot-rolled steel sheet comprising, by weight %: C: 0.05 to 0.15%, Si: 0.03 to 0.10%, Mn: 0.7 to 1.39%, P: 0.001 to 0.05%, S: 0.001 to 0.03%, Al: 0.002 to 0.035%, and the remainder being Fe and unavoidable impurities. The weight ratio of Mn/Si is 15 to 25, the weight ratio of C/Si is 1 to 5, and the weight ratio of Si/P is 3 to 10. The hot-rolled steel sheet has a microstructure consisting of, in area fraction, 10 to 40% of bainite, 20 to 30% of pearlite and 40 to 60% of ferrite, and includes a ternary eutectic compound of FeO, Fe2SiO4 and Fe3(PO)4 formed within 50 ?m from the surface.

Abstract: A multilayer ceramic capacitor with decreased high voltage stress defects and a board having the same may include a body formed by stacking a plurality of dielectric layers and a plurality of first and second internal electrodes in a width direction, the first and second internal electrodes including body portions overlapping each other and lead portions exposed to a mounting surface of the body and disposed to be spaced apart from each other, respectively; and first to third external electrodes disposed on the mounting surface of the capacitor body to be connected to the lead portions, respectively, wherein the body portions of the first and second internal electrodes have different areas from each other.

Abstract: A multilayer ceramic capacitor with decreased high voltage stress defects and a board having the same may include a body formed by stacking a plurality of dielectric layers and a plurality of first and second internal electrodes in a width direction, the first and second internal electrodes including body portions overlapping each other and lead portions exposed to a mounting surface of the body and disposed to be spaced apart from each other, respectively; and first to third external electrodes disposed on the mounting surface of the capacitor body to be connected to the lead portions, respectively, wherein the body portions of the first and second internal electrodes have different areas from each other.

Abstract: Provided is a high-manganese hot-dip aluminum-coated steel sheet comprising: a base steel sheet containing, by weight, 5% to 35% of Mn, 0.3 to 6% of Al, 0.1 to 1.2% of Si, the balanced amount of Fe, and inevitable impurities; a hot-dip aluminum-coated layer, formed on a surface of the base steel sheet, containing, by weight, 3 to 12% of Si and the balanced amount of Al, and inevitable impurities; and an alloy layer, 0.1 to 10 ?m in thickness with a Fe—Al—Si—Mn-based alloy phase on an interface between the base steel sheet and the hot-dip aluminum-coated layer, containing, by weight, 40 to 70% of Al, 2 to 13% of Si, 3 to 9% of Mn, the balance amount of Fe, and inevitable impurities.

Abstract: Provided is a high Mn steel sheet and a manufacturing method therefor, the steel sheet comprising, by wt %: 0-0.1% or less of C; 8-30% of Mn; 0.1% or less of P; 0.02% or less of S; 0.10 or less of N; 0-1.00 of Ti; and Fe and inevitable impurities, wherein a microstructure has epsilon martensite and austenite, and the average particle diameter of the martensite and the austenite is 2 ?m or less.

Abstract: Provided is a method of manufacturing a hot-dip galvanized steel sheet. According to an aspect of the present invention, the method may include preparing a base steel sheet, forming a iron (Fe)-plated layer on the prepared base steel sheet, oxidation heating the steel sheet having the Fe-plated layer formed thereon at a temperature ranging from 600° C. to 800° C., maintaining the heated steel sheet at a temperature ranging from 750° C. to 900° C. for 5 seconds or more in a reducing atmosphere with a dew point of between -30° C. to 5° C. including 20 ppm or less of oxygen, 1 vol % to 20 vol % of H2, and N2 as well as unavoidable gases as a remainder, cooling the maintained steel sheet, and plating the cooled steel sheet by dipping in a hot-dip galvanizing bath.

Abstract: A medical image processing apparatus includes a data acquirer that scans an object with a fiducial marker attached thereto to acquire volume data, and a data processor that estimates a plane of interest, based on a position of the fiducial marker and a position of a landmark in the volume data.

Abstract: Disclosed are an apparatus and a method for liquid-treating a substrate. The method for liquid-treating a substrate includes a first treatment liquid supplying operation of supplying a first treatment liquid to a treatment location of the substrate, and a wetting operation of, after the first treatment liquid supplying operation, supplying a wetting liquid onto the substrate, wherein the wetting operation includes a simultaneous supply operation of supplying the wetting liquid to the first location while the first treatment liquid is supplied, and wherein the first location is a location deviating from the treatment location. Accordingly, the surface of the substrate may be prevented from being dried while the treatment liquid is converted to a wetting liquid.

Abstract: The present invention relates to a hot-rolled steel sheet for a high strength galvanized steel sheet, having excellent surface quality, and a method for producing the same, the hot-rolled steel sheet comprising, by weight %: C: 0.08 to 0.2%, Si: 0.03 to 0.15%, Mn: 1.4 to 2%, P: 0.001 to 0.05%, S: 0.001 to 0.03%, Al: 0.002 to 0.05%, and the remainder being Fe and unavoidable impurities. The weight ratio of Mn/Si is 20 to 30, the weight ratio of C/Si is 1 to 5, and the weight ratio of Si/P is 3 to 10. The hot-rolled steel sheet has a microstructure consisting of, in area fraction, 10 to 40% of bainite, 20 to 30% of pearlite and 40 to 60% of ferrite, and includes a ternary eutectic compound of FeO, Fe2SiO4 and Fe3(PO)4 formed within 50 ?m from the surface.

Abstract: The present invention relates to a hot-rolled steel sheet for a high strength galvanized steel sheet, having excellent surface quality, and a method for producing the same, the hot-rolled steel sheet comprising, by weight %: C: 0.05 to 0.15%, Si: 0.03 to 0.10%, Mn: 0.7 to 1.39%, P: 0.001 to 0.05%, S: 0.001 to 0.03%, Al: 0.002 to 0.035%, and the remainder being Fe and unavoidable impurities. The weight ratio of Mn/Si is 15 to 25, the weight ratio of C/Si is 1 to 5, and the weight ratio of Si/P is 3 to 10. The hot-rolled steel sheet has a microstructure consisting of, in area fraction, 10 to 40% of bainite, 20 to 30% of pearlite and 40 to 60% of ferrite, and includes a ternary eutectic compound of FeO, Fe2SiO4 and Fe3(PO)4 formed within 50 ?m from the surface.

Abstract: A multilayer ceramic capacitor with decreased high voltage stress defects and a board having the same may include a body formed by stacking a plurality of dielectric layers and a plurality of first and second internal electrodes in a width direction, the first and second internal electrodes including body portions overlapping each other and lead portions exposed to a mounting surface of the body and disposed to be spaced apart from each other, respectively; and first to third external electrodes disposed on the mounting surface of the capacitor body to be connected to the lead portions, respectively, wherein the body portions of the first and second internal electrodes have different areas from each other.

Abstract: A multilayer ceramic component includes a ceramic body in which a plurality of insulating layers and internal electrodes are alternately stacked. The internal electrodes include first and second internal electrodes respectively exposed to first and second end surfaces of the ceramic body with insulating layers interposed between the first and second internal electrodes. First dummy electrodes and second dummy electrodes are disposed on the insulating layers, spaced apart from the internal electrodes by a predetermined interval and exposed to the first end surface of the ceramic body. The multilayer ceramic component satisfies 0.273?•/D?0.636, where D is a distance between an end of the first internal electrode and the second end surface of the ceramic body, and ? is a width of the first dummy electrode.

Abstract: A magnetic resonance imaging (MRI) apparatus and a method of operating the MRI apparatus. The MRI apparatus includes: a monitoring unit configured to monitor an operation of the MRI apparatus; and a control unit configured to determine one of a plurality of power modes for the MRI apparatus based on the monitored operation and control the MRI apparatus to operate in the determined power mode.

Abstract: A multilayer ceramic capacitor may include: a ceramic body; a first internal electrode is spaced apart from first and second end surfaces by a predetermined distance and includes first and second lead portions which are spaced apart from each other and exposed to a first main surface; and a second internal electrode is spaced apart from the first and second end surfaces by a predetermined distance and includes a third lead portion positioned between the first and second lead portions and exposed to the first main surface. The ceramic body may further include first and second dummy electrodes, a first dummy electrode being disposed on a dielectric layer on which the first internal electrode is disposed, and a second dummy electrode being disposed on a dielectric layer on which the second internal electrode is disposed.

Abstract: A medical image processing apparatus includes a data acquirer that scans an object with a fiducial marker attached thereto to acquire volume data, and a data processor that estimates a plane of interest, based on a position of the fiducial marker and a position of a landmark in the volume data.

Abstract: An electroplating device for preventing the excessive plating of an edge, and the electroplating device for plating a steel plate between anodes which are formed at a predetermined distance from each other with respect to the center of the steel plate. A cathode edge mask is provided in the proximity of the edge part of a steel plate and blocking the edge part and an anode from being applied with an electric current. Anode edge masks rare respectively provided to the upper and lower portions of the cathode edge mask at a distance from each other and blocking the edge part and anodes from being applied with an electric current.

Abstract: Disclosed herein is a magnetic resonance imaging apparatus. The magnetic resonance imaging apparatus includes a table disposed in a cavity which is formed in a bore, a head support having a support hole through which an upper surface of the table is visible to an object disposed on the table, and a display configured to display a graphical user interface (GUI) image, the display being disposed between the table and the head support.

Abstract: One aspect of the present invention relates to an electric toothbrush in which an LED unit is mounted to perform oral sterilization and tooth whitening treatment during the brushing of the teeth, and further relates to a toothbrush bristle assembly for the electric toothbrush. The electric toothbrush according to one embodiment of the present invention comprises: a toothbrush bristle assembly including a handle having a vibrator, and a coupling space into which the vibrator is coupled. The toothbrush bristle assembly comprises: a toothbrush bristle body having a brush; an LED unit mounted on the toothbrush bristle body to perform oral sterilization and tooth whitening treatment; and a connector module having a first connector arranged in the toothbrush bristle body to interconnect the LED unit and a driving power source, as well as a second connector arranged in the vibrator.