Abstract: A planar magnetic inductor and a method for manufacturing the same are provided. The planar magnetic inductor comprises an insulating oxide magnetic layer formed on a substrate, a conductive coil separated from a lower surface of the insulating oxide magnetic layer while being completely embedded in the insulating oxide magnetic layer, and a cover layer formed on the insulating oxide magnetic layer for protecting the insulating oxide magnetic layer. The insulating oxide magnetic layer comprises a lower insulating oxide magnetic layer, and an upper insulating oxide magnetic layer formed on the lower insulating oxide magnetic layer, such that the conductive coil is completely embedded in the upper insulating oxide magnetic layer. The planar magnetic inductor can realize excellent high frequency characteristics and high inductance with a reduced scale.

Abstract: The invention provides a chip antenna installed inside a mobile telecommunication terminal, which can process a low band signal. In the chip antenna, a substrate is prepared. A first radiator is formed in a spiral shape inside or on the substrate, and includes at least one spiral radiating part. The first radiator controls inductance of the antenna. Also, a second radiator is connected to the first radiator, and includes an upper meander radiating part disposed in a length direction of the substrate and a lower meander radiating part overlapping and opposing the upper meander in a lower part of the upper meander part. The second radiator controls capacitance of the antenna. In addition, a feeding part is connected to the first radiator, and receives a high frequency current of a given band.

Abstract: In a helical antenna to be installed inside a mobile communication terminal, for processing low-bandwidth signals, a substrate is made of magnetic dielectric material, a plurality of lower electrodes are disposed on the underside of the substrate, and a plurality of upper electrodes are disposed on the top of the substrate. The upper electrodes are inclined with respect to the lower electrodes, respectively, at a predetermined angle. A plurality of side electrodes electrically connect the lower electrodes with the upper electrodes, respectively. At least a part of a magnetic moment vector, which is formed around each of the lower electrodes by a current flowing in the each lower electrode, is directed in parallel with a current flowing in each of the upper electrodes corresponding to the each lower electrode.

Abstract: A planar magnetic inductor and a method for manufacturing the same are provided. The planar magnetic inductor comprises an insulating oxide magnetic layer formed on a substrate, a conductive coil separated from a lower surface of the insulating oxide magnetic layer while being completely embedded in the insulating oxide magnetic layer, and a cover layer formed on the insulating oxide magnetic layer for protecting the insulating oxide magnetic layer. The insulating oxide magnetic layer comprises a lower insulating oxide magnetic layer, and an upper insulating oxide magnetic layer formed on the lower insulating oxide magnetic layer, such that the conductive coil is completely embedded in the upper insulating oxide magnetic layer. The planar magnetic inductor can realize excellent high frequency characteristics and high inductance with a reduced scale.

Abstract: The invention provides a chip antenna installed inside a mobile telecommunication terminal, which can process a low band signal. In the chip antenna, a substrate is prepared. A first radiator is formed in a spiral shape inside or on the substrate, and includes at least one spiral radiating part. The first radiator controls inductance of the antenna. Also, a second radiator is connected to the first radiator, and includes an upper meander radiating part disposed in a length direction of the substrate and a lower meander radiating part overlapping and opposing the upper meander in a lower part of the upper meander part. The second radiator controls capacitance of the antenna. In addition, a feeding part is connected to the first radiator, and receives a high frequency current of a given band.

Abstract: The present invention relates to a layer-built antenna which adopts a substrate made of a composite of magnetic material and polymer resin or a high magnetic permeability layer installed adjacent to a conductive antenna pattern in order to shorten the resonant length, by which the antenna can be reduced in size. The layer-built antenna has antenna structures each including a magnetic dielectric substrate having predetermined relative magnetic permeability and relative dielectric constant and a conductive antenna pattern formed on the magnetic dielectric substrate. A feeding part is formed on the magnetic dielectric substrates of the antenna structures and electrically connected with the conductive antenna patterns of the antenna structures. The antenna structures are stacked one on another, and the conductive antenna patterns on upper and lower ones of the stacked antenna structures are electrically connected together.

Abstract: The invention relates to a helical antenna installed inside a mobile communication terminal, capable of processing low-bandwidth signals. In the helical antenna, a substrate is made of magnetic dielectric material, a plurality of lower electrodes are disposed on the underside of the substrate, and a plurality of upper electrodes are disposed on the top of the substrate. The upper electrodes are inclined with respect to the lower electrodes, respectively, at a predetermined angle. A plurality of side electrodes electrically connect the lower electrodes with the upper electrodes, respectively. At least a part of magnetic vector moment, which is formed around each of the lower electrodes by current flowing along the each lower electrode, is directed in parallel with current flowing along each of the upper electrodes corresponding to the each lower electrode.

Abstract: A planar magnetic inductor and a method for manufacturing the same are provided. The planar magnetic inductor comprises an insulating oxide magnetic layer formed on a substrate, a conductive coil separated from a lower surface of the insulating oxide magnetic layer while being completely embedded in the insulating oxide magnetic layer, and a cover layer formed on the insulating oxide magnetic layer for protecting the insulating oxide magnetic layer. The insulating oxide magnetic layer comprises a lower insulating oxide magnetic layer, and an upper insulating oxide magnetic layer formed on the lower insulating oxide magnetic layer, such that the conductive coil is completely embedded in the upper insulating oxide magnetic layer. The planar magnetic inductor can realize excellent high frequency characteristics and high inductance with a reduced scale.