Abstract: An object forming apparatus and a controlling method thereof are provided. The object forming apparatus includes an injector configured to inject an object forming material based on object data, a base part in which an object is formed through stacking of the injected object forming material, a sensor configured to detect a height of the object stacked on the base part, and a controller configured to control the injector based on a signal output from the sensor.

Abstract: A three-dimensional printer and an operating method are provided. The three-dimensional printer includes at least one print head and a stage in which chemical ink injected from the print head may be layered. The three-dimensional printer includes a print head including a head chip injecting the chemical ink, wherein the head chip may include an ink chamber receiving the chemical ink, a heater generating a bubble in the ink chamber by applying heat to the chemical ink of the ink chamber, and a nozzle injecting the chemical ink according to an internal pressure of the ink chamber increased by the generated bubble.

Abstract: A circuit element package, a manufacturing method thereof, and a manufacturing apparatus thereof are provided. The circuit element package includes a circuit element disposed on a printed circuit board, an insulating layer covering the circuit element, a first shielding layer covering a side surface of the insulating layer, and a second shielding layer covering an upper surface of the insulating layer and electrically connected to the first shielding layer.

Abstract: An electromagnetic interference shielding structure is disclosed. The electromagnetic interference shielding structure includes an insulating member covering at least one circuit element mounted on a printed circuit board (PCB), a shielding member covering the insulating member, and a heat dissipator having a surface adhering to the shielding member to transfer heat emitted from the at least one circuit element to a place where temperature is relatively low.

Abstract: An electromagnetic interference shielding structure is disclosed. The electromagnetic interference shielding structure includes an insulating member covering at least one circuit element mounted on a printed circuit board (PCB), a shielding member covering the insulating member, and a heat dissipator having a surface adhering to the shielding member to transfer heat emitted from the at least one circuit element to a place where temperature is relatively low.

Abstract: The present invention relates to a shape forming apparatus and a control method for the shape forming apparatus, wherein the shape forming apparatus may comprise a plurality of spray units which evenly spray forming materials having different colors from one another; and a shape forming unit in which a shape is formed from the evenly-sprayed forming materials having different colors from one another.

Abstract: An object forming apparatus and a controlling method thereof are provided. The object forming apparatus includes an injector configured to inject an object forming material based on object data, a base part in which an object is formed through stacking of the injected object forming material, a sensor configured to detect a height of the object stacked on the base part, and a controller configured to control the injector based on a signal output from the sensor.

Abstract: A circuit element package, a manufacturing method thereof, and a manufacturing apparatus thereof are provided. The circuit element package includes a circuit element disposed on a printed circuit board, an insulating layer covering the circuit element, a first shielding layer covering a side surface of the insulating layer, and a second shielding layer covering an upper surface of the insulating layer and electrically connected to the first shielding layer.

Abstract: A multi-color ink for 3D printing, a 3D printer, and a method of controlling the 3D printer are provided. The multi-color ink for 3D printing including a first ink composition that includes a photocurable material, a photoinitiator configured to cure the photocurable material, a first colorant, and an anti-intercolor bleed agent configured to prevent intercolor bleeding occurring when the plurality of ink compositions come into contact with each other, and a second ink composition that includes a photocurable material, a photoinitiator configured to cure the photocurable material, and a second colorant having an acid moiety involved in a reaction with the anti-intercolor bleed agent to cause aggregation. The multi-color ink for 3D printing may enable a clear image by inhibiting intercolor bleeding that occurs when ink compositions with different colors are printed to be adjacent to each other before curing during 3D printing.

Abstract: A three-dimensional printer and an operating method are provided. The three-dimensional printer includes at least one print head and a stage in which chemical ink injected from the print head may be layered. The three-dimensional printer includes a print head including a head chip injecting the chemical ink, wherein the head chip may include an ink chamber receiving the chemical ink, a heater generating a bubble in the ink chamber by applying heat to the chemical ink of the ink chamber, and a nozzle injecting the chemical ink according to an internal pressure of the ink chamber increased by the generated bubble.

Abstract: A three dimensional (3D) printer sprays and solidifies liquid ink to build a 3D object prevents implementation of unintended color due to a mix of different color ink, and increases 3D printing speed by enhancing the process of spraying and solidifying the ink. The control method of the 3D printer for building a 3D object by laminating a plurality of layers includes forming first areas not adjacent to each other in one of the plurality of layers and solidifying the first areas; and forming second areas adjacent to the solidified first areas and solidifying the second areas.

Abstract: A multi-color ink for 3D printing, a 3D printer, and a method of controlling the 3D printer are provided. The multi-color ink for 3D printing including a first ink composition that includes a photocurable material, a photoinitiator configured to cure the photocurable material, a first colorant, and an anti-intercolor bleed agent configured to prevent intercolor bleeding occurring when the plurality of ink compositions come into contact with each other, and a second ink composition that includes a photocurable material, a photoinitiator configured to cure the photocurable material, and a second colorant having an acid moiety involved in a reaction with the anti-intercolor bleed agent to cause aggregation. The multi-color ink for 3D printing may enable a clear image by inhibiting intercolor bleeding that occurs when ink compositions with different colors are printed to be adjacent to each other before curing during 3D printing.

Abstract: An image fusing apparatus includes a heating belt including a resistance heating layer, an insulating layer formed on an inner surface of the resistance heating layer, and a release layer formed on an outer surface of the resistance heating layer; a heating supporting roller disposed (positioned) inside the heating belt and rotating with the heating belt; a pressing roller disposed (positioned) parallel to the heating supporting roller and in contact with the outer surface of the heating belt to form a nip; and an electricity supplying member to supply electricity to the resistance heating layer of the heating belt. A thickness of paper non-contact areas of opposite side end portions of the resistance heating layer of the heating belt is the same as or thicker than the thickness of a paper contact area of a middle portion of the resistance heating layer thereof.

Abstract: A surface heating type heating unit for a fixing device, and a fixing device and an image forming apparatus including the same. The surface heating type heating unit includes a planar heating element on an outer circumferential surface of a supporter having cylindrical shape, a power feeding terminal at each end of the supporter, and a connector disposed between the planar heating element and the power feeding terminal. The connector is formed on a first region on the power feeding terminal, and includes an adhesive material for adhering the planar heating element and the power feeding terminal, and a conductive material formed on a second region of the power feeding terminal excluding the first region.

Abstract: An apparatus to sense the temperature of an ink-jet head includes at least one or more CMOS (complementary metal oxide semiconductor) lateral BJTs (bipolar junction transistors) to sense the temperature of the ink-jet head, and a current supply unit to supply a current to the CMOS lateral BJTs. Minimum sized CMOS lateral BJTs are applied to an ink-jet printer head so that precise temperature control can be performed in a shuttle or array type ink-jet printer.

Abstract: An image fusing apparatus includes a heating belt including a resistance heating layer, an insulating layer formed on an inner surface of the resistance heating layer, and a release layer formed on an outer surface of the resistance heating layer; a heating supporting roller disposed (positioned) inside the heating belt and rotating with the heating belt; a pressing roller disposed (positioned) parallel to the heating supporting roller and in contact with the outer surface of the heating belt to form a nip; and an electricity supplying member to supply electricity to the resistance heating layer of the heating belt. A thickness of paper non-contact areas of opposite side end portions of the resistance heating layer of the heating belt is the same as or thicker than the thickness of a paper contact area of a middle portion of the resistance heating layer thereof.

Abstract: An ink jet image forming apparatus includes a reset correction unit to restrict a heater driving time so as to prevent a heater from being damaged due to overheating when an error occurs in a system clock. The reset correction unit may determine that an error occurs in the system clock if a discharging voltage of at least one charging circuit, which performs a charging operation using the system clock, is decreased to a reference voltage. In this case, the reset correction unit can generate a reset signal having an initial state such that the heater is no longer driven.

Abstract: A headchip and a head of an array type inkjet printer. The headchip of the array type inkjet printer according to an exemplary embodiment of the present general inventive concept includes an ink supply unit which is arranged into first nozzle groups and second nozzle groups according to colors, and a power supply unit to supply power to the plurality of first and second nozzle groups in an alternate order, in which the first and second nozzle groups for one color and the first and second nozzle groups for another color closest in proximity to the one color, are connected using one power line. Accordingly, a voltage drop may be avoided when the plurality of nozzles are driven at the same time.

Abstract: A surface heating type heating unit for a fixing device, and a fixing device and an image forming apparatus including the same. The surface heating type heating unit includes a planar heating element on an outer circumferential surface of a supporter having cylindrical shape, a power feeding terminal at each end of the supporter, and a connector disposed between the planar heating element and the power feeding terminal. The connector is formed on a first region on the power feeding terminal, and includes an adhesive material for adhering the planar heating element and the power feeding terminal, and a conductive material formed on a second region of the power feeding terminal excluding the first region.

Abstract: A head driving device, an inkjet printer comprising the same and data processing method of an ink jet printer are provided, in which a nozzle driving unit turns on/off a plurality of thermal elements that correspond to a plurality of nozzles and heat ink discharged from the nozzles, a data processing unit processes printing data and outputs a nozzle select signal corresponding to an image to the nozzle driving unit; and a head logic unit receives the printing data externally, divides the printing data of one address group into a plurality of data groups, transmits the plurality of data groups to the data processing unit via different data buses corresponding to the plurality of data groups, respectively, and controls the data processing unit to process the divided printing data. Accordingly, an EMI characteristic between signals can be improved by lowering the data buses density in one area, and a data processing speed can be adjusted by dividedly processing printing data.