Abstract: A capacitor component includes a body, including a dielectric layer and an internal electrode layer, and an external electrode disposed on the body and connected to the internal electrode layer. At least one hole is formed in the internal electrode layer, and a region, containing at least one selected from the group consisting of indium (In) and tin (Sn), is disposed in the hole. A method of manufacturing a capacitor component includes forming a dielectric green sheet, forming a conductive thin film, including a first conductive material and a second conductive material, on the dielectric green sheet, and sintering the conductive thin film to form an internal electrode layer. The internal electrode layer includes the first conductive material, and a region, including the second conductive material, is formed in the internal electrode layer.

Abstract: A refrigerant cycle pressure control system includes: a heat exchanger cooling boil-off gas received from a storage tank; a refrigerant cycle including a refrigerant circulation line, a refrigerant compressor, and an expander; an inventory tank storing the refrigerant to be charged to the refrigerant cycle; a refrigerant supply line connecting the inventory tank to an upstream side of the refrigerant compressor to replenish the refrigerant cycle with the refrigerant; a refrigerant discharge line connecting a downstream side of the refrigerant compressor to the inventory tank to discharge the refrigerant from the refrigerant cycle to the inventory tank; and a pressure regulation line branched off of the refrigerant discharge line. The refrigerant cycle is depressurized by discharging the refrigerant from the refrigerant cycle through the refrigerant discharge line or the pressure regulation line.

Abstract: Provided is a method of detecting release of a development nip of an image forming apparatus that includes a photoconductor and a developing roller to contact each other to form a development nip and to be away from each other to release the development nip. The method includes obtaining a reference load, after charging the photoconductor in a state in which the development nip is formed, by measuring a load of a transfer system including the photoconductor and a transfer roller, release the development nip and blocking light irradiated from an exposing unit to the photoconductor, obtaining a detected load by measuring a load of the transfer system after exposing the photoconductor, and determining whether the development nip is normally released based on the reference load and the detected load.

Abstract: Provided is a method of detecting release of a development nip of an image forming apparatus that includes a photoconductor and a developing roller to contact each other to form a development nip and to be away from each other to release the development nip. The method includes obtaining a reference load, after charging the photoconductor in a state in which the development nip is formed, by measuring a load of a transfer system including the photoconductor and a transfer roller, release the development nip and blocking light irradiated from an exposing unit to the photoconductor, obtaining a detected load by measuring a load of the transfer system after exposing the photoconductor, and determining whether the development nip is normally released based on the reference load and the detected load.

Abstract: An image forming apparatus and a method of controlling the same is provided. A plurality of cells formed at the surface of a transfer roller is filled with a developing agent to initialize the transfer roller, thereby suppressing contamination and electrical non-uniformity of the transfer roller. A method of controlling an image forming apparatus includes determining whether a transfer roller mounted in the image forming apparatus is a new one and, upon determining that the transfer roller is a new one, feeding a developing agent to the surface of the transfer roller and filling a plurality of cells formed at the surface of the transfer roller with the developing agent to initialize the transfer roller.

Abstract: An image forming apparatus includes an intermediate transfer belt; a plurality of photosensitive bodies on which a toner image is formed, wherein the photosensitive bodies are disposed to contact the intermediate transfer belt so as to form respective transfer regions which are used to transfer the toner image to the intermediate transfer belt, wherein a first photosensitive body is disposed in the most upstream side in a proceeding direction of the intermediate transfer belt, and a transfer current density of the first transfer region is greater than a transfer current density of the remaining transfer regions.

Abstract: An image forming apparatus includes an image carrier on which a developer image is formed, a transfer roller disposed to be in contact with the image carrier to form a transfer nip and to transfer the developer image formed on the image carrier onto a print medium, a print medium guide member to guide the print medium that has passed through the transfer nip to a fixing unit, and a print medium supporting member rotatably disposed between the transfer roller and the print medium guide member, and comprising a first contacting portion to be in contact with the print medium that has passed through the transfer nip and a second contacting portion that, when the first contacting portion is rotated by the print medium, is rotated integrally with the first contacting portion so as to be in contact with a rear surface of the print medium.

Abstract: Provided is a method and apparatus for providing search service based on a knowledge structure. The method includes; searching and providing a document corresponding to a query input by a user; generating a knowledge structure corresponding to the document and additionally providing the knowledge structure; when one of a plurality of keywords included in the knowledge structure is selected, additionally searching relevant documents including the keyword; calculating document similarity by comparing and analyzing the knowledge structure of the document and knowledge structures of the relevant documents; and performing a document recommending operation or a document providing operation based on the similarity calculation result.

Abstract: An image forming apparatus and a method of controlling the same is provided. A plurality of cells formed at the surface of a transfer roller is filled with a developing agent to initialize the transfer roller, thereby suppressing contamination and electrical non-uniformity of the transfer roller. A method of controlling an image forming apparatus includes determining whether a transfer roller mounted in the image forming apparatus is a new one and, upon determining that the transfer roller is a new one, feeding a developing agent to the surface of the transfer roller and filling a plurality of cells formed at the surface of the transfer roller with the developing agent to initialize the transfer roller.

Abstract: An image forming apparatus to form an image in a single pass includes a plurality of image carriers, a transfer belt to receive developer images from the image carriers, a plurality of primary transfer rollers disposed to be offset from the image carriers along the transfer belt, respectively, a backup roller disposed adjacent to the last one of the primary transfer rollers disposed most-downstream in a rotating direction of the transfer belt, and a secondary transfer roller to transfer the developer images from the transfer belt to a printing medium, the secondary transfer roller being disposed opposite to the backup roller to interpose the transfer belt therebetween. The backup roller has a resistance in the range of 5 to 50 M?.

Abstract: An image forming apparatus includes an intermediate transfer belt; a plurality of photosensitive bodies on which a toner image is formed, wherein the photosensitive bodies are disposed to contact the intermediate transfer belt so as to form respective transfer regions which are used to transfer the toner image to the intermediate transfer belt, wherein a first photosensitive body is disposed in the most upstream side in a proceeding direction of the intermediate transfer belt, and a transfer current density of the first transfer region is greater than a transfer current density of the remaining transfer regions.

Abstract: An image forming apparatus and a control method in which a power source having the same polarity as that of a transfer power source can be applied to a drive roller at a time at which an upper end of the recording medium is detached from the ITB, such that repulsive force against the recording medium can occur, and the detachment of the recording medium can be more easily carried out. Another power source having the opposite polarity to the transfer power source can be applied to the drive roller at another time at which the adhesive force between the back end of the recording medium and the ITB becomes weaker, such that attractive force drawing the recording medium to the ITB can occur and the recording medium can be brought into contact with the ITB with higher force.

Abstract: An image forming apparatus to form an image in a single pass includes a plurality of image carriers, a transfer belt to receive developer images from the image carriers, a plurality of primary transfer rollers disposed to be offset from the image carriers along the transfer belt, respectively, a backup roller disposed adjacent to the last one of the primary transfer rollers disposed most-downstream in a rotating direction of the transfer belt, and a secondary transfer roller to transfer the developer images from the transfer belt to a printing medium, the secondary transfer roller being disposed opposite to the backup roller to interpose the transfer belt therebetween. The backup roller has a resistance in the range of 5 to 50 M?.

Abstract: An image forming apparatus may include: a plurality of image bearing members; an exposure unit; a developing unit; a transfer unit including a plurality of transfer rollers and a plurality of erasers each disposed between the transfer rollers; and a fixing unit. The eraser may be disposed in a zone Z1 satisfying the following formula: D1?Z1?D?D3; D1=4.5 mm; D3=4.5 mm; and 9.0 mm<D Here, D1 may be an allowable minimum distance between an end part of the eraser and a center of a first transfer nip between a first image bearing member and a first transfer roller; D3 may be an allowable minimum distance between the end part of the eraser and a center of a second transfer nip between a second image bearing member and a second transfer roller; and D may be a distance between the centers of the transfer nips.

Abstract: An image forming apparatus and a control method thereof wherein a power source having the same polarity as that of a transfer power source can be applied to a drive roller at a time at which an upper end of the recording medium is detached from the ITB, such that repulsive force against the recording medium can occur, and the detachment of the recording medium can be more easily carried out. Another power source having the opposite polarity to the transfer power source can be applied to the drive roller at another time at which the adhesive force between the back end of the recording medium and the ITB becomes weaker, such that attractive force drawing the recording medium to the ITB can occur and the recording medium can be brought into contact with the ITB with higher force.

Abstract: Disclosed is a laser processing apparatus for minimizing generation of sludge and enhancing the processing efficiency while processing an object. The laser processing apparatus includes a beam irradiator for emitting a laser beam from a laser light source, a beam scanner for operating the laser beam emitted from the beam scanner, to be irradiated on a predetermined interval of a processing position of the object repeatedly on the straight, and a condensing lens for regulating a focus of the laser beam emitted from the beam irradiator. The object is movable at least once along a processing direction during processing the object. According to the present invention, it is able to improve the processing efficiency and to work an object with a uniform morphology by using a mask filtering a laser beam irradiated at a rotation turning point of a beam scanning mirror, capable of continuously irradiating a laser beam by deforming the laser beam into an elliptical pattern.

Abstract: The image forming apparatus may include: a plurality of image bearing members; an exposure unit; a developing unit; a transfer unit including a plurality of transfer rollers and a plurality of erasers each disposed between the transfer rollers; and a fixing unit. The eraser may be disposed in a zone Z1 satisfying the following formula: D1?Z1?D?D3; D1=4.5 mm; D3=4.5 mm; and 9.

Abstract: Disclosed is a laser processing apparatus for minimizing generation of sludge and enhancing the processing efficiency while processing an object. The laser processing apparatus includes a beam irradiator for emitting a laser beam from a laser light source, a beam scanner for operating the laser beam emitted from the beam scanner, to be irradiated on a predetermined interval of a processing position of the object repeatedly on the straight, and a condensing lens for regulating a focus of the laser beam emitted from the beam irradiator The object is movable at least once along a processing direction during processing the object. According to the present invention, it is able to improve the processing efficiency and to work an object with a uniform morphology by using a mask filtering a laser beam irradiated at a rotation turning point of a beam scanning mirror, capable of continuously irradiating a laser beam by deforming the laser beam into an elliptical pattern.