Abstract: A multilayer ceramic electronic component includes: a ceramic body including a dielectric layer, and a first internal electrode and a second internal electrode disposed to be alternately stacked with the dielectric layer interposed therebetween; a first external electrode including a first electrode layer, a first conductive layer, and a first metal layer; a second external electrode including a second electrode layer, a second conductive layer, and a second metal layer; and a protective layer disposed on the ceramic body, the first electrode layer, and the second electrode layer, wherein a sum of through areas of the through portions disposed on the first electrode layer and the second electrode layer among the protective layers may be 50% or more of a sum of surface areas of the first electrode layer and the second electrode layer.

Abstract: A multilayer electronic component includes a body including an active portion inducing dielectric layers and internal electrodes, and upper and lower cover portions, and external electrodes including connection portions and band portions extending onto portions of first and second surfaces of the body, and including an electrode layer and a conductive resin layer. In a cross-section of the body, when a line along which the band portion of the conductive resin layer is in contact with the first surface is d, an area of an isosceles right triangle, in which d is a base and an extension line extending from an end of the electrode layer by a length of d is a height, is K1, and a ratio of the area occupied by dummy electrodes in the lower cover portion and the internal electrodes in K1 to K1 is K2, K2 is 20% or more.

Abstract: A multilayer electronic component includes an external electrode having a connection portion and a band portion. An organic layer is disposed between an electrode layer and a plating layer of the band portion of the external electrode, and a conductive resin layer is disposed between the electrode layer and the plating layer of the connection portion of the external electrode.

Abstract: A multilayer ceramic electronic component includes a ceramic body includes: a ceramic body including a capacitance formation portion including a dielectric layer and first and second internal electrodes disposed to be stacked in a third direction with the dielectric layer interposed therebetween, a margin portion disposed on both surfaces of the capacitance formation portion in a second direction, and a cover portion disposed on both surfaces of the capacitance formation portion in the third direction, and; and an auxiliary electrode spaced apart from the capacitance formation portion, and disposed to be in contact with one of the first and second external electrodes. The auxiliary electrode is spaced apart from first surface and the second surface of the ceramic body in a first direction.

Abstract: A multilayer ceramic electronic component includes a ceramic body including pluralities of first and second internal electrodes alternately disposed to face each other with respective dielectric layers interposed therebetween. First and second external electrodes are disposed on external surfaces of the ceramic body and are respectively electrically connected to the first and second external electrodes. A first dummy electrode is disposed in a margin portion of the ceramic body adjacent the first internal electrode in a third direction, and a second dummy electrode is disposed in a margin portion of the ceramic body adjacent the second internal electrode in the third direction. A distance (Ld) between the first and second dummy electrodes in a second direction, and a length (Lm) of each margin portion between one of the first and second internal electrodes and an external surface of the ceramic body in the second direction, satisfy Ld?Lm.

Abstract: A multilayer electronic component may include a cover layer disposed on a first surface of a body and extending onto a first band portion of a first external electrode and a second band portion of a second external electrode, in which the cover layer includes an insulating portion disposed between the first external electrode and the second external electrode and including an insulating material, a first conductive portion connected to the insulating portion and disposed on the first band portion, and a second conductive portion connected to the insulating portion and disposed on the second band portion, and the first and second conductive portions include a conductive metal and a resin.

Abstract: A multilayer electronic component includes: a body including dielectric layers and first and second internal electrodes; a first external electrode including a first electrode layer connected to the first internal electrodes, a first conductive resin layer on the first electrode layer, and a first plating layer on the first conductive resin layer, and including a first connection portion on a third surface of the body and a first band portion extending on first and second surfaces of the body; and a second external electrode connected to the second internal electrodes. L2-L1 is greater than 10 ?m in which L1 is a distance from the third surface to a distal end of the first conductive resin layer in the first band portion, and L2 is a distance from the third surface to a distal end of the first plating layer in the first band portion.

Abstract: A multilayer ceramic electronic component includes a ceramic body includes: a ceramic body including a capacitance formation portion including a dielectric layer and first and second internal electrodes disposed to be stacked in a third direction with the dielectric layer interposed therebetween, a margin portion disposed on both surfaces of the capacitance formation portion in a second direction, and a cover portion disposed on both surfaces of the capacitance formation portion in the third direction, and; and an auxiliary electrode spaced apart from the capacitance formation portion, and disposed to be in contact with one of the first and second external electrodes. The auxiliary electrode is spaced apart from first surface and the second surface of the ceramic body in a first direction.

Abstract: The present disclosure relates to a method for separating a carbon isotope and a method for concentrating a carbon isotope using the same, the method for separating a carbon isotope including: cooling a formaldehyde gas to a temperature of from 190K to 250K; and obtaining a mixed gas and residual formaldehyde by photodissociating the cooled formaldehyde gas, the mixed gas including carbon dioxide containing a carbon isotope and hydrogen.

Abstract: A multilayer ceramic electronic component includes: a ceramic body including a dielectric layer, and a first internal electrode and a second internal electrode disposed to be alternately stacked with the dielectric layer interposed therebetween; a first external electrode including a first electrode layer, a first conductive layer, and a first metal layer; a second external electrode including a second electrode layer, a second conductive layer, and a second metal layer; and a protective layer disposed on the ceramic body, the first electrode layer, and the second electrode layer, wherein a sum of through areas of the through portions disposed on the first electrode layer and the second electrode layer among the protective layers may be 50% or more of a sum of surface areas of the first electrode layer and the second electrode layer.

Abstract: A multilayer electronic component includes an external electrode having a connection portion and a band portion. An organic layer is disposed between an electrode layer and a plating layer of the band portion of the external electrode, and a conductive resin layer is disposed between the electrode layer and the plating layer of the connection portion of the external electrode.

Abstract: A multilayer ceramic electronic component includes a ceramic body includes: a ceramic body including a capacitance formation portion including a dielectric layer and first and second internal electrodes disposed to be stacked in a third direction with the dielectric layer interposed therebetween, a margin portion disposed on both surfaces of the capacitance formation portion in a second direction, and a cover portion disposed on both surfaces of the capacitance formation portion in the third direction, and; and an auxiliary electrode spaced apart from the capacitance formation portion, and disposed to be in contact with one of the first and second external electrodes. The auxiliary electrode is spaced apart from first surface and the second surface of the ceramic body in a first direction.

Abstract: A multilayer electronic component includes a body including an active portion inducing dielectric layers and internal electrodes, and upper and lower cover portions, and external electrodes including connection portions and band portions extending onto portions of first and second surfaces of the body, and including an electrode layer and a conductive resin layer. In a cross-section of the body, when a line along which the band portion of the conductive resin layer is in contact with the first surface is d, an area of an isosceles right triangle, in which d is a base and an extension line extending from an end of the electrode layer by a length of d is a height, is K1, and a ratio of the area occupied by dummy electrodes in the lower cover portion and the internal electrodes in K1 to K1 is K2, K2 is 20% or more.

Abstract: A multilayer electronic component includes: a body including dielectric layers and first and second internal electrodes; a first external electrode including a first electrode layer connected to the first internal electrodes, a first conductive resin layer on the first electrode layer, and a first plating layer on the first conductive resin layer, and including a first connection portion on a third surface of the body and a first band portion extending on first and second surfaces of the body; and a second external electrode connected to the second internal electrodes. L2-L1 is greater than 10 ?m in which L1 is a distance from the third surface to a distal end of the first conductive resin layer in the first band portion, and L2 is a distance from the third surface to a distal end of the first plating layer in the first band portion.

Abstract: A multilayer ceramic electronic component includes a ceramic body including pluralities of first and second internal electrodes alternately disposed to face each other with respective dielectric layers interposed therebetween. First and second external electrodes are disposed on external surfaces of the ceramic body and are respectively electrically connected to the first and second external electrodes. A first dummy electrode is disposed in a margin portion of the ceramic body adjacent the first internal electrode in a third direction, and a second dummy electrode is disposed in a margin portion of the ceramic body adjacent the second internal electrode in the third direction. A distance (Ld) between the first and second dummy electrodes in a second direction, and a length (Lm) of each margin portion between one of the first and second internal electrodes and an external surface of the ceramic body in the second direction, satisfy Ld?Lm.

Abstract: A multilayer ceramic electronic component includes a ceramic body including a dielectric layer and first and second internal electrodes disposed to be alternately stacked with the dielectric layer interposed therebetween, a first external electrode and a second external electrode connected to the first and the second internal electrode respectively. The first external electrode includes a first base electrode layer disposed in contact with the ceramic body, a first glass layer disposed on the first base electrode layer, and a first resin electrode layer disposed on the first glass layer. The second external electrode includes a second base electrode layer disposed in contact with the ceramic body, a second glass layer disposed on the second base electrode layer, and a second resin electrode layer disposed on the second glass layer.

Abstract: A process for isolating 17O from water and a process for concentrating 17O by using the same are provided. The process for isolating 17O from water includes: mixing 17O-containing water with formaldehyde to prepare an aqueous formaldehyde solution; heating the aqueous formaldehyde solution to generate a vapor mixture containing water vapor and formaldehyde vapor; and obtaining 17O-depleted water, residual formaldehyde, and a gas mixture containing hydrogen and 17O-enriched carbon monoxide, through photodissociating the vapor mixture. An 17O-enriched water production process includes: an operation of adding hydrogen to the gas mixture to induce a catalytic methanation reaction to synthesize methane (CH4) and 17O-enriched water (H217O) through methanation, the operation being carried out following the process for isolating 17O from water.

Abstract: A multilayer ceramic electronic component includes a ceramic body including pluralities of first and second internal electrodes alternately disposed to face each other with respective dielectric layers interposed therebetween. First and second external electrodes are disposed on external surfaces of the ceramic body and are respectively electrically connected to the first and second external electrodes. A first dummy electrode is disposed in a margin portion of the ceramic body adjacent the first internal electrode in a third direction, and a second dummy electrode is disposed in a margin portion of the ceramic body adjacent the second internal electrode in the third direction. A distance (Ld) between the first and second dummy electrodes in a second direction, and a length (Lm) of each margin portion between one of the first and second internal electrodes and an external surface of the ceramic body in the second direction, satisfy Ld?Lm.

Abstract: A multilayer ceramic electronic component includes: a ceramic body including a dielectric layer and first and second internal electrodes alternately exposed to first and second outer surfaces with the dielectric layer interposed therebetween; and first and second external electrodes disposed on the first and second outer surfaces of the ceramic body so as to be connected to the first and second internal electrodes, respectively. The ceramic body further includes a protective layer including a protective layer dummy electrode disposed on at least one of upper and lower portions of the first and second internal electrodes, and the protective layer dummy electrode has a thickness ranging from greater than to 1.2 times or less a thickness of each of the first and second internal electrodes.

Abstract: A multilayer ceramic electronic component includes a ceramic body including dielectric layers and a plurality of first and second internal electrodes disposed to face each other with each of the dielectric layers interposed therebetween, and first and second external electrodes disposed on external surfaces of the ceramic body and electrically connected to the first and second internal electrodes, respectively. The first internal electrodes are exposed to a first surface of the ceramic body and the second internal electrodes are exposed to a second surface, opposing the first surface of the ceramic body. Strength enhancing material layers are disposed, respectively, between the first and second internal electrodes disposed to face each other.