Abstract: Disclosed herein is a common mode filter with an ESD protection pattern built therein. The common mode filter includes a base substrate that is made of an insulating material, a first insulating layer that is formed on the base substrate, a coil-shaped internal electrode that is formed on the first insulating layer, a second insulating layer that is formed on the internal electrode, a first external electrode terminal that is formed on the second insulating layer, a first ferrite resin layer that is formed on the second insulating layer and receives the first external electrode terminal, an ESD protection pattern that is formed on the first external electrode terminal, a second external electrode terminal that is formed on the ESD protection pattern, and a second ferrite resin layer that is formed on the first ferrite resin layer and receives the second external electrode terminal.

Abstract: Disclosed herein is a fibrous separation membrane for secondary batteries, comprising: a polymer layer which partially melts and blocks pores thereof thus cutting off electric current when a temperature of a secondary battery is increased; and heat-resistant resin layers applied on both sides of the polymer layer.

Abstract: Disclosed herein are an inductor element and a manufacturing method thereof. The inductor element includes: an electrode body formed of insulating material and having an internal electrode having a coil shape disposed therein; and external terminals formed on a part of the electrode body and each connected with both ends of the internal electrode, wherein electrode body is formed and separated on a base substrate, whereby a size of the inductor element is reduced.

Abstract: Disclosed herein are a common mode filter and a method of manufacturing the same. The common mode filter includes: a primary coil that includes a primary coil body forming a plane in a vortex structure; and a secondary coil that includes a secondary coil body forming a co-plane in the same vortex structure as the primary coil body and forms a 180° rotational symmetry with the primary coil body, having the same length, width, and turn number as the primary coil body. Further, the method of manufacturing a common mode filter is proposed.

Abstract: Disclosed herein is a method of manufacturing a noise removing filter, including preparing at least one conductive pattern, an insulating layer for covering the at least one conductive pattern, and a lower magnetic body including input/output stud terminals for electrically inputting and outputting electricity to and from the at least one conductive pattern; disposing a recognizable portion on upper surfaces of the input/output stud terminals; disposing an upper magnetic body on the recognizable portion and the insulating layer; polishing the upper magnetic body; and removing the recognizable portion such that a level of an upper surface of the upper magnetic body is higher than levels of the upper surfaces of the input/output stud terminals.

Abstract: The present invention relates to an electrostatic discharge protection device. The electrostatic discharge protection device in accordance with the present invention includes a base, a plurality of electrodes arranged on the base separated from each other, a function layer supplied on a separation space between the electrodes and a composite insulating layer on which inorganic particles are dispersed on a resin with covering the electrodes and the function layer on the base.

Abstract: Disclosed herein is an electrostatic discharge protection material having more stable operation characteristic by mixing and dispersing inorganic particles and metal particles in a resin matrix and an electrostatic discharge protection device using the same.

Abstract: Disclosed herein is a thin film chip device, including: a substrate; a circuit layer disposed on the substrate and having coil patterns; and a functional layer formed on the circuit layer and having an embossed shape.

Abstract: Disclosed herein is a common mode filter having improved insertion loss characteristics. The common mode filter includes: first and second coil electrode patterns formed at an upper layer and alternately disposed; and first and second coil electrode patterns formed at a lower layer and alternately disposed, wherein the outermost pattern of the upper layer and the outermost pattern of the lower layer are coil electrode patterns having the same order.

Abstract: Disclosed herein is a common mode filter capable of increasing a thickness of the coil electrode in a more simple and stable scheme. The common mode filter includes: a magnetic substrate; a coil electrode formed on one surface of the magnetic substrate and enclosed by an insulating resin; and external electrode terminals connected to both ends of the coil electrode, wherein the coil electrode includes a first metal pattern layer and a second metal pattern layer formed on the first metal pattern layer by performing electroplating using the first metal pattern layer as a lead wire.

Abstract: Disclosed herein are an electrostatic discharge protection material for improving connectivity between conductive particles dispersed in a resin matrix and evenly distributing the conductive particles in the resin material, and an electrostatic discharge protection device using the same. The electrostatic discharge protection material includes a resin matrix; needle-shaped conductive particles dispersed in the resin matrix; and dispersion particles dispersed in the resin matrix, wherein the dispersion particles are located between the needle-shaped conductive particles.

Abstract: Disclosed herein are a thin film common mode filter and a method of manufacturing the same. The thin film common mode filter according to the exemplary embodiment of the present invention includes a magnetic substrate made of a magnetic ceramic material; and coil patterns formed on the magnetic substrate, wherein external electrodes connected with the coil patterns are sequentially stacked and insulating layers formed on and beneath the coil pattern are made of a composite of ferrite powder and thermosetting resin.

Abstract: The present invention relates to an inductor. An inductor in accordance with an embodiment of the present invention includes: an insulating layer having a hole; a conductive pattern disposed on both surfaces of the insulating layer and having a structure in which portions disposed on the both surfaces are electrically connected to each other through the hole; and a magnetic layer disposed on the insulating layer to cover the conductive pattern, wherein the conductive pattern has a plating pattern formed by performing a plating process.

Abstract: Disclosed herein is an inductor including: a core layer having a conductive pattern formed on a surface thereof and having a through-hole formed at a region in which the conductive pattern is not formed; and a magnetic layer covering the core layer, wherein the magnetic layer includes: a filled part filled in the through-hole and having high magnetic material filling density; and a cover part covering the surface of the core layer and having magnetic material filling density lower than that of the filled part.

Abstract: Disclosed herein are a power inductor in which aspect ratios of the innermost pattern and the outermost pattern are similar with those of the intermediate pattern and a manufacturing method thereof. The power inductor includes coil patterns formed on one surface or both surfaces of a core insulating layer; insulating patterns bonded to at least one of an innermost pattern and an outermost pattern of the coil patterns; metal layers plated on surfaces of the coil patterns; and an insulator covering the coil patterns including the metal layers.

Abstract: Disclosed herein is a common mode filter, including: a magnetic substrate; and a body part formed on the magnetic substrate, wherein the body part is configured of an insulating layer surrounding a coil electrode, an outer electrode terminal connected with an end of the coil electrode, and a magnetic resin composite, the insulating layer is formed on the magnetic substrate, having a margin part M disposed at an edge of the magnetic substrate, and the magnetic resin composite is filled in an empty space of the body part including the margin part M, thereby promoting a consecutive flow of magnetic flux that is generated from the coil electrode.

Abstract: A common mode filter is manufactured to include a coil part including an insulation layer and a conductor pattern formed in the insulation layer; and a magnetic substrate coupled to one surface or both surfaces of the coil part. The magnetic substrate includes: an electrostatic absorbing layer made of an electrostatic absorbing material; a magnetic layer provided on one surface or both surfaces of the electrostatic absorbing layer and made of a magnetic material; and an electrode provided between the magnetic layer and the electrostatic absorbing layer and made of a conductive material. Therefore, common mode filter may maintain high efficiency characteristics while preventing an electrostatic discharge phenomenon.

Abstract: Disclosed herein is a common mode filter including: a body element including an insulating member enclosing a coil electrode pattern and a magnetic member disposed on one surface or both surfaces of the insulating member; and an insulating layer disposed on at least one side of the body element, thereby increasing an interlayer adhesion between the respective components configuring the common mode filter.

Abstract: Disclosed herein is an electrostatic discharge protection device including: a substrate; electrodes disposed to be spaced apart from each other on the substrate; and an electrostatic discharge absorbing layer having atypical metal lumps formed on the substrate.

Abstract: An electronic component including a substrate, an insulating unit provided on the substrate, and a conductor coil provided within the insulating unit, wherein a distance from the outermost portion of the conductor coil in one axial direction to the outermost portion of the substrate in one axial direction is greater than 0.0125 times a length of the substrate in one axial direction, thus having enhanced reliability.