Samsung Electro-mechanics Co., Ltd.

Ju Hwan Yang

Byung Soo Kang

Byeong Cheol Moon

Young Seuck Yoo

Yong Hui Li

Yoon Mi Cha

Sung Kwon Wi

Tae Jun Choi

Seung Min Lee

Joung Gul Ryu

Seung Mo Lim

Young Do Kweon

Jin Hyuck Yang

Sang Moon Lee

Won Chul Sim

Boum Seock Kim

Seok Il Hong

Jae Yeol Choi

No Il Park

Tai Yon Cho

Jong Bong Lim

Jong Yun Lee

Geon Se Chang

Kang Heon Hur

Jung Wook Seo

Jae Woo Joung

Hye Hun Park

Ho Jin Yun

Kwang Jik Lee

Hye Won Bang

Seo Eun Kim

Jae Hun Kim

Hwi Dae Kim

Chang Hak Choi

Doo Young Kim

Jun Young Kim

Sung Ho Lee

Yong Suk Kim

Jeong Min Cho

Hai Joon Lee

Jeong Bok Kwak

Jeong Suong Yang

Jeong Gu Yeo

Yoon Sok Park

Dong Hyeok Choi

Yong Sam Lee

Mi Geum Kim

Ji Man Ryu

Kwang Mo Kim

Woo Chui Shin

Ji Han Kwon

Jae Chan Park

Eun Ha Kim

A coil component is disposed. The coil component according to an aspect of the present disclosure includes: a body; a coil portion disposed in the body; an external electrode portion including a first metal layer disposed on the body, and connected to the coil portion; and a surface insulating layer disposed on the body to cover a first region of the first metal layer and open a second region of the first metal layer. Surface roughness of an interface of the first region of the first metal layer with the surface insulating layer is higher than surface roughness of an outer surface of the second region of the first metal layer.

Coil component

A coil component includes a body having one surface and the other surface, opposing each other, both lateral surfaces respectively connecting the one surface and the other surface and opposing each other, and both end surfaces respectively connecting the both lateral surfaces and opposing each other; a coil unit disposed in the body; a first external electrode and a second external electrode, respectively connected to the coil unit and disposed to be spaced apart from each other on the one surface of the body; and a first insulating layer covering the other surface of the body, the both lateral surfaces of the body, and the both end surfaces of the body.

A coil component includes: a body having first and second surfaces opposed in a length direction, third and fourth surfaces opposed in a width direction, and fifth and sixth surfaces opposed in a thickness direction; a coil portion disposed inside the body; a first insulating layer covering a portion of each of the fifth surface of the body and the sixth surface of the body; a second insulating layer covering a portion of the third surface of the body and the fourth surface of the body; a first external electrode disposed on the first surface of the body; and a second external electrode disposed on the second surface of the body.

A coil component includes a body; a support substrate disposed in the body; a coil portion including a first coil pattern, a first lead-out pattern, and a second lead-out pattern; a first slit portion defined at a corner portion between the first end surface and the first surface, and a second slit portion defined at a corner portion between the second end surface and the first surface, the first and second slit portions exposing the first and second lead-out patterns; a first external electrode and a second external electrode spaced apart from each other on the first surface, and respectively extending onto the first and second slit portions to be connected to the first and second lead-out patterns; and a surface insulating layer disposed on the first and second slit portions to cover a portion of the first and second external electrodes and extending onto the first surface.

A coil component includes a body having one surface, and one end surface and the other end surface connected to the one surface and opposing each other; a coil portion including lead-out patterns within the body; slit portions respectively disposed in an edge portion between the one end surface and the one surface of the body and an edge portion between the other end surface and the one surface of the body to expose the lead-out patterns; external electrodes disposed to be spaced apart from each other on the one surface and respectively extending to the slit portions to be connected to the lead-out patterns; and surface insulating layers, respectively disposed on the one end surface and the other end surface of the body. The surface insulating layers include a first insulating thin film including silicon dioxide (SiO), and a second insulating thin film including aluminum oxide (AlO).

A coil component includes a molded portion having one surface and another surface opposing each other, and a wound coil disposed on the one surface of the molded portion and including an innermost turn, at least one intermediate turn, and an outermost turn disposed outwardly of a central portion of the one surface of the molded portion. A cover portion is disposed to face the one surface of the molded portion and to cover the wound coil, and first and second external electrodes are connected to the wound coil and arranged to be spaced apart from each other on the other surface of the molded portion. A thickness of one region of the cover portion disposed on the innermost turn is thicker than a thickness of another region of the cover portion disposed on the outermost turn.

A coil component includes a body having one surface, and one end surface and the other end surface, respectively connected to the one surface and opposing each other, a support substrate embedded in the body, and a coil portion disposed on the support substrate and including first and second lead-out patterns respectively exposed from surfaces of the body. The first lead-out pattern is exposed from the one surface of the body and the one end surface of the body. The second lead-out pattern is exposed from the one surface of the body and the other end surface of the body. The body includes an anchor portion disposed in each of the first and second lead-out patterns.

A coil component is provided. The coil component includes a body having fifth and sixth surfaces opposing each other, first and second surfaces respectively connecting the fifth and sixth surfaces of the body and opposing each other, and third and fourth surfaces respectively connecting the first and second surfaces of the body and opposing each other in one direction, a recess disposed in an edge between one of the first and second surfaces of the body and the sixth surface of the body, a coil portion disposed inside the body and exposed through the recess, and an external electrode including a connection portion disposed in the recess and connected to the coil portion, and a pad portion disposed on one surface of the body. A length of the pad portion in the one direction is greater than a length of the connection portion in the one direction.

A coil component includes a support substrate, a coil portion disposed on at least one surface of the support substrate, a body including the support substrate and the coil portion disposed therein, an external electrode disposed on a surface of the body and connected to the coil portion, and an insulating layer disposed in a region of the surface of the body other than a region in which the external electrode is disposed, wherein an average roughness (Ra) of the surface of the body in contact with the external electrode is different from an average roughness (Ra) of the surface of the body in contact with the insulating layer.

A coil component includes a body having one surface and the other surface, opposing each other, and one side surface and the other side surface, each connecting the one surface and the other surface to each other, opposing each other, a recess formed in each of the one side surface and the other side surface of the body to extend to the one surface of the body, a support substrate disposed inside the body, a coil portion, disposed on the support substrate, having one end portion and the other end portion exposed to the recess, an oxide insulating layer disposed on a surface of the body, and a first insulating layer disposed along a surface of the oxide insulating layer to cover the surface of the body.

A coil component includes a body having a first surface and a second surface opposing each other in a thickness direction of the body and including a core formed in the thickness direction; a coil part embedded in the body and including at least one turn around the core; an insulating layer disposed on the first surface of the body; a bonded conductive layer disposed on the insulating layer and having a surface roughness of the first surface which is in contact with the insulating layer greater than a surface roughness of the second surface opposing the first surface of the bonded conductive layer; and external electrodes connected to the coil part and covering the bonded conductive layer.

A coil component includes a body including magnetic metal powder particles and an insulating resin; a coil portion embedded in the body; and first and second external electrodes respectively disposed on the body to be spaced apart from each other and respectively connected to both end portions of the coil portion. A magnetic metal powder particle exposed from a surface of the body, among the magnetic metal powder particles, has a plating prevention film formed on at least a portion of a surface thereof and containing metal ions of the exposed magnetic metal powder particle.

A coil component includes a body having one surface and the other surface, opposing each other, and wall surfaces, and including a metal magnetic powder particle and an insulating resin; a coil portion disposed in the body and including first and second lead-out portions exposed from the one surface of the body to be spaced apart from each other; first and second external electrodes arranged on the one surface of the body to be spaced apart from each other and respectively connected to the first and second lead-out portions; a cover insulating layer covering the other surface of the body and extending to at least portion of each of the wall surfaces of the body; and an oxide insulating film disposed on a surface of the metal magnetic powder particle exposed from the one surface of the body and including metal ions of the metal magnetic powder particle.

A coil component includes a body, a support substrate disposed in the body, and a coil portion including a first coil pattern on one surface of the support substrate, a first lead-out pattern extending from the first coil pattern to an end surface of the body, and a second lead-out pattern disposed on the one surface of the support substrate to be spaced apart from the first coil pattern and extending to another end surface of the body. A reinforcing pattern portion is disposed between each lead-out pattern and the one surface of the support substrate, first and second slit portions are disposed in edge portions of the body and respectively expose the first and second lead-out patterns, and first and second external electrodes are respectively disposed on the inner surfaces of the first and second slit portions and respectively connected to the first and second lead-out patterns.

A coil electronic component includes a body having a first surface and a second surface opposing each other and a third and a fourth surface opposing each other, an insulating substrate disposed inside the body, first and second coil portions respectively disposed on opposing surfaces of the insulating substrate, a first lead-out portion connected the first coil portion and exposed from the first and third surfaces, a second lead-out portion connected to the second coil portion and exposed from the second and third surfaces, and first and second external electrodes respectively covering the first and second lead-out portions. The insulating substrate includes a support portion supporting the first and second coil portions, a first tip exposed from the first and third surfaces and supporting the first lead-out portion, and a second tip exposed from the second and third surfaces and supporting the second lead-out portion.

Growing community of inventors

Suwon-si, South Korea

Ju Hwan Yang