公开(公告)号：US12173393B2

公开(公告)日：2024-12-24

申请号：US18094666

申请日：2023-01-09

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Sang Kyun Kwon ,  Han Wool Ryu ,  Chul Min Sim ,  Chang Hak Choi ,  Jong Suk Jeong

IPC: C22C45/02 ,  C22C38/00 ,  C22C38/02 ,  C22C38/12 ,  C22C38/20 ,  H01F1/153 ,  H01F17/00 ,  H01F17/04 ,  H01F27/29 ,  C21D6/00

Abstract: An Fe-based nanocrystalline alloy is represented by Composition Formula, (Fe(1-a)M1a)100-b-c-d-e-gM2bBcPdCueM3g, where M1 is at least one element selected from the group consisting of Co and Ni, M2 is at least one element selected from the group consisting of Nb, Mo, Zr, Ta, W, Hf, Ti, V, Cr, and Mn, M3 is at least two elements selected from the group consisting of C, Si, Al, Ga, and Ge but necessarily includes C, and 0≤a≤0.5, 1.5

公开(公告)号：US11842841B2

公开(公告)日：2023-12-12

申请号：US16666968

申请日：2019-10-29

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Sang Kyun Kwon ,  Jong Ho Chung ,  Chul Min Sim ,  Seong Jae Lee ,  Han Wool Ryu ,  Byeong Cheol Moon

IPC: H01F27/28 ,  H01F27/255 ,  H01F41/04 ,  H01F27/29

CPC classification number: H01F27/2804 ,  H01F27/255 ,  H01F27/29 ,  H01F41/041 ,  H01F2027/2809

Abstract: A coil component includes a body having a coil portion embedded therein; and external electrodes connected to the coil portion, wherein the body includes a plurality of magnetic metal particles, and a plurality of indentations are formed in surfaces of at least some of the plurality of magnetic metal particles, and the surfaces of the magnetic metal particles connecting the plurality of indentations to each other are spherical.

公开(公告)号：US12014866B2

公开(公告)日：2024-06-18

申请号：US17948656

申请日：2022-09-20

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Young Il Lee ,  Han Wool Ryu ,  Sang Kyun Kwon

IPC: H01F1/147 ,  C23C16/455 ,  H01F1/26 ,  H01F17/00 ,  H01F17/04 ,  H01F27/255 ,  H01F27/29 ,  H01F27/32 ,  C23C16/40 ,  H01F1/33 ,  H01F41/02

CPC classification number: H01F27/324 ,  C23C16/45555 ,  H01F1/147 ,  H01F1/26 ,  H01F17/0013 ,  H01F17/04 ,  H01F27/255 ,  H01F27/29 ,  H01F27/292 ,  C23C16/403 ,  C23C16/45525 ,  H01F1/33 ,  H01F2017/048 ,  H01F41/0246

Abstract: A coil electronic component includes a body including an insulator; a coil portion embedded in the body; aggregates dispersed in the insulator, where the aggregates each comprise a plurality of magnetic particles, coating layers formed on surfaces of the aggregates using an insulating material, and external electrodes connected to the coil portion.

公开(公告)号：US10978235B2

公开(公告)日：2021-04-13

申请号：US16100632

申请日：2018-08-10

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Jong Suk Jeong ,  Han Wool Ryu ,  Seong Jae Lee ,  Sang Kyun Kwon ,  Chang Hak Choi

IPC: H01F27/24 ,  H01F27/02 ,  H01F27/32 ,  H01F27/255 ,  H01F3/10 ,  H01F3/08 ,  H01F27/29 ,  H01F1/153 ,  H01F17/04

Abstract: An inductor includes a body including a coil and an encapsulant and an external electrode on an outer surface of the body. The encapsulant includes a first core surrounding the coil and a second core surrounding the first core. The first core includes a magnetic powder having high current characteristics, and the second core includes a magnetic powder having high capacity characteristics.

公开(公告)号：US20230015154A1

公开(公告)日：2023-01-19

申请号：US17736347

申请日：2022-05-04

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Sang Kyun Kwon ,  Chul Min Sim ,  Han Wool Ryu ,  Byeong Cheol Moon

IPC: C22C38/10 ,  C22C38/14 ,  C22C38/12 ,  C22C38/08 ,  C22C38/02 ,  C22C38/00 ,  H01F1/153 ,  H01F27/255

Abstract: A Fe-based alloy represented by a composition of (Fe(1-a)M1a)100-b-c-d-e-f-gM2bM3cBdPeCufTig, wherein M1 is at least one element selected from the group consisting of Co and Ni, M2 is at least one element selected from the group consisting of Nb, Mo, Zr, Ta, W, Hf, Ti, V, Cr, and Mn, M3 is at least one element selected from the group consisting of Si, Al, Ga, and Ge, and a, b, c, d, e, f, and g satisfy the following content conditions: 0≤a≤0.5, 0

公开(公告)号：US11211194B2

公开(公告)日：2021-12-28

申请号：US16008847

申请日：2018-06-14

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Sang Kyun Kwon ,  Han Wool Ryu ,  Young Il Lee

IPC: H01F27/32 ,  H01F17/00 ,  H01F27/28 ,  H01F27/29 ,  H01F1/147 ,  H01F41/04 ,  H01F41/12 ,  H01F27/24 ,  H01F17/04

Abstract: A coil electronic component includes a body having a coil portion embedded therein, and external electrodes connected to the coil portion, wherein the body includes a plurality of magnetic portions having a form in which magnetic particles are dispersed in an insulator and one or more insulating portions disposed between the plurality of magnetic portions.

公开(公告)号：US11104982B2

公开(公告)日：2021-08-31

申请号：US16008928

申请日：2018-06-14

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Sang Kyun Kwon ,  Han Wool Ryu ,  Chang Ryul Jung ,  Jong Ho Chung ,  Jong Suk Jeong ,  Chui Min Sim

IPC: C22C45/02 ,  C22C38/12 ,  C22C38/20 ,  C22C38/02 ,  C22C38/00 ,  H01F1/153 ,  H01F17/00 ,  H01F17/04 ,  C21D6/00

Abstract: An Fe-based nanocrystalline alloy is represented by Composition Formula, (Fe(1-a)M1a)100-b-c-d-e-gM2bBcPdCueM3g, where M1 is at least one element selected from Co and Ni, M2 is at least one element selected from the group consisting of Nb, Mo, Zr, Ta, W, Hf, Ti, V, Cr, and Mn, M3 is at least one element selected from the group consisting of C, Si, Al, Ga, and Ge, and 0≤a≤0.5, 2≤b≤3, 9≤c≤11, 1≤d≤2, 0.6≤e≤1.5, and 9≤g≤11.

公开(公告)号：US10923276B2

公开(公告)日：2021-02-16

申请号：US15970138

申请日：2018-05-03

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Young Il Lee ,  Han Wool Ryu ,  Sang Kyun Kwon

IPC: H01F41/12 ,  H01F17/00 ,  H01F27/32 ,  H01F17/04 ,  H01F27/24 ,  H01F41/04 ,  H01F1/26

Abstract: A coil electronic component includes a body having a coil portion embedded therein and having a form in which magnetic particles are dispersed in a first insulating material, a first atomic layer deposition (ALD) layer formed along a surface of the coil portion using a second insulating material, a second ALD layer formed along a surface of the first ALD layer using a third insulating material, and external electrodes connected to the coil portion.

公开(公告)号：US12286695B2

公开(公告)日：2025-04-29

申请号：US15808952

申请日：2017-11-10

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Sang Kyun Kwon ,  Chang Ryul Jung ,  Jong Ho Chung ,  Jung Young Cho

IPC: H01F1/153 ,  C21D6/00 ,  C22C38/02 ,  C22C38/12 ,  C22C38/16 ,  H01F1/147 ,  H01F27/245 ,  H01F27/36 ,  H01F38/14

Abstract: An Fe-based nanocrystalline alloy is represented by a Compositional Formula, FexBySizMαAβ, wherein M is one or more elements selected from the group consisting of Nb, V, W, Ta, Zr, Hf, Ti, and Mo; A is one or more elements selected from the group consisting of Cu and Au, x, y, z, α, and β (based on atom %) satisfy the following conditions: 75%≤x≤81%, 7%≤y≤13%, and 4%≤z≤12%, and a peak in a differential scanning calorimetry (DSC) graph has a bimodal shape.

公开(公告)号：US11495398B2

公开(公告)日：2022-11-08

申请号：US16003901

申请日：2018-06-08

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Young Il Lee ,  Han Wool Ryu ,  Sang Kyun Kwon

IPC: H01F27/29 ,  H01F27/32 ,  H01F1/147 ,  H01F27/255 ,  H01F17/04 ,  H01F17/00 ,  C23C16/455 ,  H01F1/26 ,  C23C16/40 ,  H01F1/33 ,  H01F41/02

Abstract: A coil electronic component includes a body including an insulator; a coil portion embedded in the body; aggregates dispersed in the insulator, where the aggregates each comprise a plurality of magnetic particles, coating layers formed on surfaces of the aggregates using an insulating material, and external electrodes connected to the coil portion.