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：US10707012B2

公开(公告)日：2020-07-07

申请号：US14961414

申请日：2015-12-07

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Jong Suk Jeong ,  Kang Heon Hur ,  Seong Jae Lee ,  Jung Wook Seo ,  Hiroyuki Matsumoto ,  Chul Min Sim ,  Jong Sik Yoon

IPC: H01F5/00 ,  H01F27/36 ,  H01F17/00

Abstract: 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.

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：US11225720B2

公开(公告)日：2022-01-18

申请号：US16139696

申请日：2018-09-24

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Sung Jae Lee ,  Jung Wook Seo ,  Hiroyuki Matsumoto ,  Chul Min Sim ,  Jong Sik Yoon ,  Jong Suk Jung

IPC: H01F1/24 ,  H01F1/33 ,  B22F1/02 ,  C23D5/04 ,  C22C33/02

Abstract: 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.

公开(公告)号：US10161049B2

公开(公告)日：2018-12-25

申请号：US15072594

申请日：2016-03-17

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Sung Jae Lee ,  Jung Wook Seo ,  Hiroyuki Matsumoto ,  Chul Min Sim ,  Jong Sik Yoon ,  Jong Suk Jung

IPC: H01F1/24 ,  H01F1/33 ,  C23D5/04 ,  B22F1/02 ,  C22C33/02

Abstract: 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.