公开(公告)号：US09614491B2

公开(公告)日：2017-04-04

申请号：US14745319

申请日：2015-06-19

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Kang Ryong Choi ,  Il Jin Park ,  Sung Yong An ,  Jung Wook Seo ,  Myeong Gi Kim

IPC: H03H7/01 ,  H01G4/40 ,  H01G4/30 ,  H01F27/28 ,  H03H1/00

CPC classification number: H03H7/0115 ,  H01F27/2804 ,  H01G4/30 ,  H01G4/40 ,  H03H2001/0057 ,  H03H2001/0085

Abstract: A composite electronic component includes a composite body containing a capacitor and an inductor coupled to each other, the capacitor including a ceramic body having a plurality of dielectric layers and first and second internal electrodes, and the inductor including a magnetic body including a coil part, an input terminal disposed on a first end surface of the composite body and connected to the coil part, an output terminal including first output terminals disposed on a second end surface of the composite body and connected to the coil part and a second output terminal disposed on a second side surface of the composite body and connected to the first internal electrodes, and a ground terminal disposed on a first side surface of the composite body. The capacitor and the inductor are coupled in a vertical direction, and a magnetic metal layer is provided between the inductor and the capacitor.

公开(公告)号：US11367558B2

公开(公告)日：2022-06-21

申请号：US16668504

申请日：2019-10-30

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Se Hyung Lee ,  Je Ik Moon ,  Jung Wook Seo ,  Jun Sung Lee ,  Woo Jin Lee ,  Kang Ryong Choi ,  Il Jin Park ,  Gwang Hwan Hwang

IPC: H01F27/28 ,  H01F27/255 ,  H01F1/26 ,  H01F1/33 ,  H01F17/00 ,  H01F17/04 ,  H01F27/29

Abstract: A magnetic composition includes first, second, and third magnetic metal particles. The first magnetic metal particles have an average particle size of 10 μm to 28 μm; the second magnetic metal particles have an average particle size of 1 μm to 4.5 μm; 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.

公开(公告)号：US10861630B2

公开(公告)日：2020-12-08

申请号：US15581123

申请日：2017-04-28

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Han Wool Ryu ,  Jung Hyuk Jung ,  Hyo Chan Oh ,  Yoon Hee Kim ,  Woon Chul Choi ,  Jin Ho Ku ,  Il Jin Park

IPC: H01F27/29 ,  H01F17/00 ,  H01F3/10

Abstract: An inductor includes a body having a first magnetic portion above and below a coil, and a second magnetic portion above and below the first magnetic portion. The magnetic flux density of the magnetic substance in the first magnetic portion is higher than that of the magnetic substance in the second magnetic portion.

公开(公告)号：US09852842B2

公开(公告)日：2017-12-26

申请号：US14995942

申请日：2016-01-14

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Il Jin Park ,  Se Hyung Lee ,  Byeong Cheol Moon

IPC: H01F27/24 ,  H01F5/00 ,  H01F27/29 ,  H01F17/00 ,  H01F17/04

CPC classification number: H01F27/292 ,  H01F17/0013 ,  H01F17/04 ,  H01F2017/048

Abstract: A coil electronic component includes a body having a coil part disposed therein and external electrodes connected to the coil part. The body includes a plurality of magnetic particles. In one example, a particle size distribution D50 of the magnetic particles in the body is 1 μm or less. In other examples, a particle size distribution D99 of the magnetic particles in the body is 1 μm or less; a particle size distribution ratio D99/D50 of the magnetic particles in the body is 1.5 or less; and/or a variation coefficient of the particle size of the magnetic particles in the body is 20% or less.

公开(公告)号：US11830643B2

公开(公告)日：2023-11-28

申请号：US16562826

申请日：2019-09-06

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Il Jin Park ,  Joong Won Park ,  Se Hyung Lee ,  Soon Kwang Kwon

IPC: H01F27/25 ,  H01F27/255 ,  H01F27/29

CPC classification number: H01F27/255 ,  H01F27/29

Abstract: A coil electronic component includes a body including magnetic particles and an insulating resin, and a coil portion disposed within the body. The body has a multilayer structure including a core portion covering the coil portion and a cover portion covering the core portion. The magnetic particles included in the core portion have a distribution of a particle size having a D50 of 3.5 μm or less.

公开(公告)号：US11581114B2

公开(公告)日：2023-02-14

申请号：US16879027

申请日：2020-05-20

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Il Jin Park ,  Jun Sung Lee ,  Joong Won Park ,  Gwang Hwan Hwang ,  Soon Kwang Kwon

IPC: H01F1/33 ,  H01F1/147 ,  H01F1/24 ,  H01F27/29 ,  H01F27/28 ,  H01F1/153

Abstract: A magnetic powder contains a magnetic metal particle comprising iron (Fe) and an insulating coating layer disposed on a surface of the magnetic metal particle and comprising tin (Sn), phosphorous (P) and oxygen (O), and a coil component contains such a magnetic powder.

公开(公告)号：US20150102888A1

公开(公告)日：2015-04-16

申请号：US14281097

申请日：2014-05-19

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Myeong Gi KIM ,  Il Jin Park ,  Ho Yoon Kim ,  Jin Woo Hahn ,  Min Kyoung Cheon

IPC: H01F27/255 ,  H01F27/28

CPC classification number: H01F17/0013

Abstract: A multilayer electronic component may include: a magnetic body in which a plurality of magnetic layers are stacked; and conductor patterns formed on the magnetic body. The magnetic body may include: metal magnetic particles; an oxide film formed on a surface of the metal magnetic particle as a first oxide obtained by oxidation of at least one component of the metal magnetic particle; and a filling portion formed in a space between the metal magnetic particles as a second oxide obtained by oxidization of at least one component of the metal magnetic particle. At least one of the first oxide and the second oxide is provided between adjacent metal magnetic particles, and an oxide film formed on a surface of a metal magnetic particle forms a neck portion with an oxide film formed on a surface of an adjacent metal magnetic particle.

Abstract translation: 多层电子部件可以包括：堆叠多个磁性层的磁性体; 以及形成在磁体上的导体图案。 磁体可以包括：金属磁性颗粒; 形成在所述金属磁性体的表面上的氧化膜，作为通过使所述金属磁性体的至少一种成分氧化而得到的第一氧化物; 以及填充部分，其形成在金属磁性颗粒之间的空间中，作为通过氧化金属磁性颗粒的至少一种成分而获得的第二氧化物。 第一氧化物和第二氧化物中的至少一个设置在相邻的金属磁性颗粒之间，形成在金属磁性颗粒的表面上的氧化膜形成具有在相邻的金属磁性颗粒的表面上形成的氧化膜的颈部 。

公开(公告)号：US11657950B2

公开(公告)日：2023-05-23

申请号：US16901501

申请日：2020-06-15

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Jong Ok Jeon ,  Jeong Ho Lim ,  Il Jin Park ,  Soon Kwang Kwon ,  Gwang Hwan Hwang

IPC: H01F27/255 ,  H01F17/04 ,  H01F27/32 ,  H01F1/24 ,  H01F1/26 ,  H01F17/00 ,  H01F1/153

CPC classification number: H01F27/255 ,  H01F1/24 ,  H01F1/26 ,  H01F17/0013 ,  H01F17/04 ,  H01F27/32 ,  H01F1/15308 ,  H01F2017/048

Abstract: A coil component includes a body and a coil portion embedded in the body, wherein the body comprises a first magnetic metal powder particle comprising a core represented by Formula 1 below, and an oxide film comprising at least one of silicon (Si) and chromium (Cr) and formed on a surface of the core, a second magnetic metal powder particle having a larger diameter than the first magnetic metal powder particle, and a third magnetic metal powder particle having a larger diameter than the second magnetic metal powder particle:

FeaSibCrc  [Formula 1]



where 3 atom %≤b≤6 atom %, 2.65 atom %≤c≤3.65 atom %, and a+b+C=100.

公开(公告)号：US11469038B2

公开(公告)日：2022-10-11

申请号：US16137271

申请日：2018-09-20

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Kang Ryong Choi ,  Il Jin Park ,  Jung Wook Seo ,  Jong Ok Jeon ,  Won Sik Chong ,  Woo Jin Lee ,  Jung Young Cho

IPC: H01F17/00 ,  H01F27/36 ,  H01F27/255 ,  H01F27/28 ,  H01F27/32 ,  H01F41/02 ,  H01F41/04 ,  H01F27/29

Abstract: 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.

公开(公告)号：US10957476B2

公开(公告)日：2021-03-23

申请号：US15833638

申请日：2017-12-06

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Byeong Cheol Moon ,  Il Jin Park ,  Se Hyung Lee

IPC: H01F27/29 ,  H01F27/255 ,  H01F17/00

Abstract: A coil electronic component includes a body including metal powder particles having shape anisotropy and a coil unit disposed in the body and having an axis perpendicular with respect to a thickness direction of the body. The metal powder particles having shape anisotropy are arranged such that a plane-shaped surface thereof is parallel to a direction of flow of magnetic flux.