Samsung Electro-mechanics Co., Ltd.

Wits Co., Ltd.

Hyundai Motor Company

Kia Motors Corporation

Ngk Insulators, Inc.

Mplus Co., Ltd.

Jung Wook Seo

Young Seuck Yoo

Soon Kwang Kwon

Boum Seock Kim

Kang Ryong Choi

Jung Min Kim

Kang Heon Hur

Sung Yong An

Bon Seok Koo

Yoon Hee Lee

Hyung Jin Jeon

Jung Young Cho

Kun Hoi Koo

Il Jin Park

Woo Jin Lee

Seok Hyun Yoon

Jong Sik Yoon

Doo Ho Park

Sung Jae Lee

Chul Min Sim

Hiroyuki Matsumoto

Han Bit Kim

Seung Min Lee

Ju Hwan Yang

Sang Moon Lee

Dong Hun Kim

Sung Nam Cho

Hak Kwan Kim

Jong Ho Chung

Chan Hee Nam

Seung Hee Oh

Jun Sung Lee

Hye Hun Park

Jung Deok Park

Je Ik Moon

Se Hyung Lee

Joong Won Park

Kwang Jik Lee

Gwang Hwan Hwang

Eun Hye Na

Jong Suk Jung

Byoung Hwa Lee

Chul Kyu Kim

Seung Ho Lee

Jae Suk Sung

Sung Kwon Wi

Sang Jong Lee

Joo Yul Ko

Ki Won Chang

Akira Takahashi

Ho Kwon Yoon

Chin Mo Kim

Won Soon Park

Jeong Gu Yeo

Chang Ryul Jung

Myeong Gil Kim

Jong Suk Jeong

Won Sik Chong

Sung Yeol Park

Song Je Jeon

Yuichi Hamazaki

Tetsuo Toyoshima

Hui Sun Park

Kun Ho Koo

Hong Yeon Cho

Seong Jae Lee

Seon Woo Oh

Jung Ho Cho

Jong Ok Jeon

Kwang Sun Choi

Byung Ho Jun

In Gyu Kim

Kyung Hyun Park

A coil electronic component includes a magnetic body in which internal coil parts are embedded, and a metal shielding sheet disposed on at least one of an upper portion and a lower portion of the magnetic body in a thickness direction, in which permeability of the metal shielding sheet is 100 times or higher than permeability of magnetic metal powder contained in the magnetic body.

Coil electronic component

A magnetic composition includes first, second, and third magnetic metal particles. The first magnetic metal particles have an average particle size of 10 &#x3bc;m to 28 &#x3bc;m; the second magnetic metal particles have an average particle size of 1 &#x3bc;m to 4.5 &#x3bc;m; and the third magnetic metal particles include insulating layers disposed on surfaces thereof and have a particle size of 300 nm or less. Therefore, eddy current loss of an inductor having a body formed of the magnetic composition may be improved, and high efficiency and inductance of the inductor may be secured.

Magnetic composition and inductor including the same

An inductor includes a body including an internal coil having first and second end portions and an encapsulant encapsulating the internal coil and containing magnetic particles. First and second external electrodes are on external surfaces of the body and electrically connected to the internal coil. A first metal expansion portion encloses the first end portion while coming into direct contact with the first end portion of the internal coil, and may be between the body and the first external electrode. A second metal expansion portion encloses the second end portion while coming into direct contact with the second end portion of the internal coil, and may be between the body and the second external electrode.

Inductor

A multilayer capacitor and a method of manufacturing includes a conductive resin layer of an external electrode disposed on a first electrode layer. The conductive resin layer includes a conductive connecting part and an intermetallic compound contacting the first electrode layer and the conductive connecting part. The conductive connecting part contacts a plurality of metal particles and a second electrode layer, such that the 7 equivalent series resistance (ESR) of the multilayer capacitor is decreased and warpage strength of the multilayer capacitor is improved.

Multilayer capacitor having external electrode including conductive resin layer

A magnetic powder contains magnetic particles, a first coating layer disposed on surfaces of the magnetic particles and containing a first glass, and a second coating layer disposed on the first coating layer and containing a second glass different from the first glass. A method of manufacturing magnetic powder includes preparing magnetic particles, forming a first coating layer containing a first glass on surfaces of the magnetic particles, and forming a second coating layer containing a second glass different from the first glass on the first coating layer.

Magnetic powder, and manufacturing method thereof

A coil electronic component includes a body, a coil unit disposed in the body and having a multilayer structure. The coil unit includes a first coil pattern forming an upward turn with respect to a bottom surface of the body and a second coil pattern forming a downward turn with respect to the bottom surface of the body. The first and second coil patterns are disposed on at least two layers of the multilayer structure. The component additionally includes a first external electrode and a second external electrode disposed on the bottom surface of the body.

A coil electronic component includes a body including ferrite, a coil portion embedded in the body, external electrodes electrically connected to the coil portion, and a magnetic permeability adjusting layer disposed in the body and including ferrite having a Curie temperature lower than that of the ferrite included in the body.

A hybrid coil component in which a magnetic core generally included in a wire-wound type inductor and a core included in a multilayer type inductor are combined with each other. A winding coil may be wound around a magnetic core manufactured in advance and an encapsulant having a stacked structure of a plurality of magnetic sheets may encapsulate the winding coil wound around the magnetic core. In this case, a magnetic flux generated in the winding coil is arranged to be parallel to long axes of magnetic particles contained in the magnetic core and the encapsulant.

Coil component

A composite electronic component includes an element part and an electrostatic discharge (ESD) protection part disposed on the element part. The ESD protection part includes first and second discharge electrodes having a gap formed therebetween, a discharge layer disposed between the first and second discharge electrodes and in the gap, and a multilayer insulating layer covering the discharge layer and including at least two insulating layers having different breakdown voltage (BDV) values.

Composite electronic component and manufacturing method of the same

A chip electronic component includes a magnetic body including magnetic metal powder particles, an internal coil unit embedded in the magnetic body, and a cover unit disposed on at least one of upper and lower surfaces of the magnetic body and including a magnetic metal plate. The magnetic metal plate is cracked and includes a plurality of metal fragments.

Chip electronic component

A multilayer ceramic capacitor comprises a body including dielectric layers and internal electrodes; and external electrodes disposed on external surfaces of the body, respectively, wherein each of the external electrodes includes a first electrode layer disposed on the one surface of the body and contacting the internal electrodes; a conductive resin layer disposed on the first electrode layer and including a plurality of metal particles, a conductive connecting part surrounding the plurality of metal particles, a base resin, and an intermetallic compound contacting the first electrode layer and the conductive connecting part; and a second electrode layer disposed on the conductive resin layer and contacting the conductive connecting part.

A magnetic sheet for a communications module includes a magnetic material. The magnetic sheet includes crushed cracks in a first region and a second region disposed adjacent to the first region. Degrees of crushed cracks are different in the first region and the second region.

Magnetic sheet for communications module

A common mode filter includes a body including a filter portion and an electrostatic protection portion, first to fourth external electrodes disposed on an external surface of the body, a ground electrode disposed on the external surface of the body, a first coil included in the filter portion and electrically connected to the first and second external electrodes, and a second coil included in the filter portion and electrically connected to the third and fourth external electrodes. The electrostatic protection portion includes discharge electrodes electrically connected to at least one of the first to fourth external electrodes and the ground electrode, a discharge part including conductive particles, a first organic-inorganic composite insulating layer disposed on the discharge electrodes and the discharge part, a magnetic cover layer disposed on the first organic-inorganic composite insulating layer, and a first inorganic insulating layer.

Common mode filter

A wire-wound type inductor includes a core containing magnetic powder flakes and including a central portion and an outside portion, and a winding coil disposed in the core and wound around the central portion of the core, wherein the core has a coupling structure including first and second bodies, and the first and second bodies contain magnetic powder flakes having shape magnetic anisotropy, and long axes of the magnetic powder flakes are arranged in parallel with a direction in which a magnetic field of the winding coil is formed.

Wire-wound type power inductor

Growing community of inventors

Suwon-si, South Korea

Jung Wook Seo