Abstract: Disclosed are a common mode filter and a manufacturing method thereof. The common mode filter in accordance with an aspect of the present invention includes: a substrate; a filter layer including a coil and a dielectric layer and disposed on the substrate and configured to remove a signal noise; and a magnetic layer being laminated on the filter layer, and a surface of the filter layer being joined with the magnetic layer can be formed to be flat by having the coil embedded in a surface of the filter layer being joined with the magnetic layer in such a way that one surface of the coil is exposed.

Abstract: A common mode filter and a method of manufacturing the same are disclosed. The common mode filter in accordance with an aspect of the present invention includes: a substrate; a filter layer comprising a coil and an insulation layer and formed on the substrate to remove a signal noise; a magnetic compound layer laminated on the filter layer; an electrostatic electrode pattern formed on the magnetic compound layer to remove static electricity and having one portion thereof exposed to a lateral surface of the magnetic compound layer; a sealing layer laminated on the electrostatic electrode pattern so as to seal the electrostatic electrode pattern; and a lateral surface electrode connected with the exposed portion of the electrostatic electrode pattern and formed in a longitudinal direction between the sealing layer and the substrate.

Abstract: A common mode filter and a manufacturing method thereof are disclosed.

Abstract: A common mode filter is disclosed. The common mode filter provided by the present invention includes: a magnetic substrate; a coil layer formed on the magnetic substrate and including a coil pattern; an external electrode formed on the coil layer so as to be electrically connected with the coil pattern; a ground electrode formed on the coil layer and configured to discharge static electricity brought in to the external electrode; a post formed on each of the external electrode and the ground electrode; and an electrostatic discharge member formed between the external electrode and the ground electrode so as to cover a side surface of the post and configured to discharge static electricity brought in to the external electrode to the ground electrode.

Abstract: A common mode filter is disclosed. The common mode filter in accordance with an embodiment of the present invention includes: a magnetic substrate; a dielectric layer laminated on the magnetic substrate; an external electrode formed on the dielectric layer in such a way that one surface thereof is exposed to an outside; a conductive pattern formed on a surface of the dielectric layer so as to be located on a same plane as the external electrode and having one end thereof connected with the external electrode; an insulator film formed on a surface of the conductive pattern; and a magnetic layer formed on the insulator film so as to cover an upper surface and a lateral surface of the conductive pattern.

Abstract: A common mode filter is disclosed. The common mode filter in accordance with an embodiment of the present invention includes: a magnetic substrate; a coil pattern formed on the magnetic substrate; a dielectric layer formed on the magnetic substrate so as to cover an upper part, a lower part and a side surface of the coil pattern; and a first coupling agent interposed between the magnetic substrate and the dielectric layer so as to prevent the magnetic substrate and the dielectric layer from being separated.

Abstract: Disclosed are a common mode filter and a manufacturing method thereof. The common mode filter in accordance with an aspect of the present invention includes: a substrate; a filter layer including a coil and a dielectric layer and disposed on the substrate and configured to remove a signal noise; and a magnetic layer being laminated on the filter layer, and a surface of the filter layer being joined with the magnetic layer can be formed to be flat by having the coil embedded in a surface of the filter layer being joined with the magnetic layer in such a way that one surface of the coil is exposed.

Abstract: A common mode filter and a manufacturing method thereof are disclosed. The common mode filter in accordance with an embodiment of the present invention includes: a magnetic substrate; a coil layer formed on the magnetic substrate and including a coil pattern; a magnetic layer formed on the coil layer; a resin layer formed on the magnetic layer; and an external electrode formed in the resin layer so as to be electrically connected with the coil pattern.

Abstract: A common mode filter is disclosed. The common mode filter provided by the present invention includes: a magnetic substrate; a coil layer formed on the magnetic substrate and including a coil pattern; an external electrode formed on the coil layer so as to be electrically connected with the coil pattern; a ground electrode formed on the coil layer and configured to discharge static electricity brought in to the external electrode; a post formed on each of the external electrode and the ground electrode; and an electrostatic discharge member formed between the external electrode and the ground electrode so as to cover a side surface of the post and configured to discharge static electricity brought in to the external electrode to the ground electrode.

Abstract: A common mode filter is disclosed. The common mode filter in accordance with an embodiment of the present invention includes: a magnetic substrate; a coil pattern formed on the magnetic substrate; a dielectric layer formed on the magnetic substrate so as to cover an upper part, a lower part and a side surface of the coil pattern; and a first coupling agent interposed between the magnetic substrate and the dielectric layer so as to prevent the magnetic substrate and the dielectric layer from being separated.

Abstract: A common mode filter is disclosed. The common mode filter in accordance with an embodiment of the present invention includes: a magnetic substrate; a dielectric layer laminated on the magnetic substrate; an external electrode formed on the dielectric layer in such a way that one surface thereof is exposed to an outside; a conductive pattern formed on a surface of the dielectric layer so as to be located on a same plane as the external electrode and having one end thereof connected with the external electrode; an insulator film formed on a surface of the conductive pattern; and a magnetic layer formed on the insulator film so as to cover an upper surface and a lateral surface of the conductive pattern.

Abstract: A common mode filter is disclosed. The common mode filter in accordance with an aspect of the present invention includes: a first dielectric layer having a first groove formed along an outer boundary portion thereof; a second dielectric layer coated on the first dielectric layer so as to cover a first coil laminated on the first dielectric layer, having a first protrusion corresponding to the first groove formed on one surface thereof being in contact with the first dielectric layer, and having a second groove formed on the other surface thereof; and a third dielectric layer coated on the second dielectric layer so as to cover a second coil laminated on the second dielectric layer, having a second protrusion corresponding to the second groove formed on one surface thereof being in contact with the second dielectric layer, and having a third groove formed on the other surface thereof.

Abstract: A method of manufacturing an inkjet head includes: forming an inlet and a pressure chamber in an upper substrate, the inlet penetrating the upper substrate and providing a passage for an inflow of ink, and the pressure chamber formed as a recess in one side of the upper substrate; forming a manifold and an ink channel in a middle substrate, the manifold configured to be connected with the inlet, and the ink channel penetrating the middle substrate and configured to be connected with the pressure chamber; forming a straight portion and a nozzle in a plate substrate, the straight portion configured to be connected with the ink channel, and the nozzle connected with the straight portion; forming a hydrophobic layer on one side of the plate substrate, the hydrophobic layer having a window formed therein, and the window opening the nozzle by a circumference greater than a circumference of an end of the nozzle; and stacking in order and attaching the upper substrate, the middle substrate, and the plate substrate.

Abstract: Disclosed is an inkjet printer. The inkjet printer in accordance with an embodiment of the present invention includes a supply channel coupled to a plurality of inkjet heads; a first main reservoir and a second main reservoir being coupled to either side of the supply channel; and a first press and a second press applying pressure to the inside of the first main reservoir and the second main reservoir, respectively.

Abstract: Disclosed is a method of manufacturing an inkjet head discharging ink. The method in accordance with an embodiment of the present invention can include: heating the inkjet head to a temperature over a melting point of a filler; filling the inkjet head with the filler such that a gap inside the inkjet head is filled with the filler; and discharging the filler out of the inkjet head such that the filler in the gap of the inkjet head remains.

Abstract: An inkjet head and an inkjet printer having the inkjet head are disclosed. In accordance with an embodiment of the present invention, the inkjet head includes a chamber housing ink and a nozzle, which discharges the ink housed in the chamber. Here, a plurality of inner wall grooves are formed on an inner wall of the nozzle, in which the plurality of inner wall grooves extends in a lengthwise direction of the nozzle. Thus, the inkjet head can discharge big ink droplets at a high frequency by quickly filling the ink in the nozzle after relatively big ink is discharged.

Abstract: An ink-jet head is disclosed. The ink-jet head in accordance with an embodiment of the present invention is equipped with a plurality of jetting cells, each of which ejects ink. Each of the plurality of jetting cells is connected to a common reservoir supplying the ink, and a pillar is formed inside the common reservoir, in which the pillar supports an upper surface of the common reservoir by being extended from a lower surface to the upper surface of the common reservoir and the pillar disperses a pressure wave transferred inside the common reservoir.

Abstract: A method for manufacturing an inkjet head is disclosed. The method for manufacturing an inkjet head can include preparing a head body including a vibrating membrane, which is located in an upper portion of the head body, coating a lower electrode over the vibrating membrane, patterning a resist such that an open area is formed over the vibrating membrane, filling a piezoelectric material in the open area, selectively coating an upper electrode over the piezoelectric material, and removing the resist.

Abstract: A method of manufacturing a nozzle plate, that includes: forming a nozzle by selectively etching one side of a plate substrate; forming a straight portion connecting with the nozzle by selectively etching the other side of the plate substrate; and forming a hydrophobic layer on the one side of the plate substrate, wherein the hydrophobic layer has a window formed therein, the window opening the nozzle by a circumference greater than a circumference of an end of the nozzle.

Abstract: A nozzle plate, inkjet head a manufacturing method of the same are disclosed. By using a method of manufacturing a nozzle plate which includes: forming a nozzle by selectively etching one side of a plate substrate, forming a straight portion connecting with the nozzle by selectively etching the other side of the plate substrate, and forming a hydrophobic layer on the one side of the plate substrate, where a window is formed in the hydrophobic layer that opens the nozzle by a circumference greater than a circumference of an end of the nozzle, the meniscus of ink can be formed to a greater size around the nozzle exit, thereby preventing degradations in ink ejection performance due to the vaporization of the solvent, and preventing blockage in the nozzles due to the clogging of particles.