公开(公告)号：US20180366248A1

公开(公告)日：2018-12-20

申请号：US16002973

申请日：2018-06-07

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Yoshikazu MARUYAMA ,  Noriyuki MABUCHI ,  Ichiro YOKOYAMA ,  Masataka KOHARA ,  Keiichi NOZAWA ,  Masakazu OKAZAKI ,  Chikako YOSHIDA ,  Tomoyuki OYOSHI ,  Ikuo KAKIUCHI ,  Masami SETO

IPC: H01F5/06 ,  H01G4/008 ,  H01L49/02 ,  H05K1/18

Abstract: In an embodiment, an electronic component includes: an insulator part 10 of rectangular solid shape; a coil element 32 provided inside the insulator part 10; bottom electrodes 40 provided on a bottom face 14 of the insulator part 10 and electrically connected to the coil element 32; a plating layer 62 provided in a manner overlapping each bottom electrode 40 so that its end 64 on the bottom face 14 is away from the end 42 of the bottom electrode 40; and a plating layer 60 which is arranged between the bottom electrode 40 and the plating layer 62 and overlaps the bottom electrode 40, and which is constituted by a metal having lower solder wettability and higher melting point than those of the plating layer 62. The electronic component can suppress generation of cracking in the insulator part.

公开(公告)号：US20220165480A1

公开(公告)日：2022-05-26

申请号：US17670825

申请日：2022-02-14

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Ichiro YOKOYAMA

IPC: H01F27/28 ,  H05K1/18 ,  H01F27/24 ,  H01F27/29 ,  H01F41/12 ,  H01F41/04 ,  H01F27/32

Abstract: A coil component according to one embodiment of the present invention includes a magnetic base body, a first external electrode, a second external electrode, a coil conductor extending around a coil axis, and an insulator. The insulator is provided between the flange portion of the second external electrode and the second coil pattern.

公开(公告)号：US20210327623A1

公开(公告)日：2021-10-21

申请号：US17364631

申请日：2021-06-30

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Yoshikazu MARUYAMA ,  Noriyuki MABUCHI ,  Ichiro YOKOYAMA ,  Masataka KOHARA ,  Keiichi NOZAWA ,  Masakazu OKAZAKI ,  Chikako YOSHIDA ,  Tomoyuki OYOSHI ,  Ikuo KAKIUCHI ,  Masami SETO

IPC: H01F5/06 ,  H01G4/008 ,  H05K1/18 ,  H01L49/02 ,  H05K1/02 ,  H05K3/34 ,  H01F27/32 ,  H01F27/02 ,  H01F27/29 ,  H01G4/232 ,  H01G4/30 ,  H01G4/12 ,  H01G4/012

Abstract: An electronic component includes: an insulator part (10) of rectangular solid shape; a coil element (32) provided inside the insulator part (10); bottom electrodes (40) provided on a bottom face (14) of the insulator part (10) and electrically connected to the coil element (32); a plating layer (62) provided in a manner overlapping each bottom electrode (40) so that its end (64) on the bottom face (14) is away from the end (42) of the bottom electrode (40); a plating layer (60) which is arranged between the bottom electrode (40) and the plating layer (62) and overlaps the bottom electrode (40), and which is constituted by a metal having lower solder wettability and higher melting point than those of the plating layer (62); and an insulation layer (70) provided on the bottom face (14) in a manner covering the end (42) of the bottom electrode (40).

公开(公告)号：US20200381168A1

公开(公告)日：2020-12-03

申请号：US16887321

申请日：2020-05-29

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Ichiro YOKOYAMA

IPC: H01F27/28 ,  H05K1/18 ,  H01F27/24 ,  H01F27/29 ,  H01F27/32 ,  H01F41/12 ,  H01F41/04

Abstract: A coil component according to one embodiment of the present invention includes a magnetic base body, a first external electrode, a second external electrode, a coil conductor extending around a coil axis, a first insulator, and a second insulator. The first insulator is provided between a first flange portion of the first external electrode and a first coil pattern of the coil conductor, and the second insulator is provided between a second flange portion of the second external electrode and a second coil pattern of the coil conductor.

公开(公告)号：US20190043656A1

公开(公告)日：2019-02-07

申请号：US16049386

申请日：2018-07-30

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Yoshikazu MARUYAMA ,  Noriyuki MABUCHI ,  Ichiro YOKOYAMA ,  Masataka KOHARA ,  Keiichi NOZAWA ,  Masakazu OKAZAKI ,  Hideaki HOSHINO ,  Tomoyuki OYOSHI ,  Takehumi YAMADA ,  Chikako YOSHIDA

IPC: H01F27/28 ,  H01F27/32 ,  H01F41/04

Abstract: In an embodiments, a coil component includes: an element body part 10 and a coil 30 of spiral shape constituted by multiple winding conductors 32 and through hole conductors 34 that interconnect the winding conductors 32; wherein each winding conductor 32 has, in a cross-sectional view in the width direction of the winding conductor 32, a flat side 40 that extends in a second direction substantially perpendicular to the coil axis of the coil 30; and the point of intersection 48 between a figure line 42 corresponding to the longest part in a first direction, and a figure line 44 corresponding to the longest part in the second direction, with respect to the coil axis, is positioned on the figure line 42 within one-quarter of the figure line away from one end 50 on the side 40 or from the other end 52 opposing the side 40.

公开(公告)号：US20220189681A1

公开(公告)日：2022-06-16

申请号：US17540901

申请日：2021-12-02

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Hideaki HOSHINO ,  Kenichiro NOGI ,  Ichiro YOKOYAMA ,  Yoshiaki KAMIYAMA ,  Yukihiro SAIDA

IPC: H01F27/29 ,  H01F17/00 ,  H01F41/04 ,  H01F17/04

Abstract: A coil component according to one or more embodiments of the invention includes a base body containing a plurality of metal magnetic particles, a coil conductor, and an external electrode. In one or more embodiments, the coil conductor has a coil portion disposed inside the base body, and an end surface exposed from a first surface of the base body. The coil conductor is configured such that the ratio of the dimension of a section of the coil portion in a short axis direction to the dimension of the end surface in a short axis direction is 0.5 to 0.95, the section of the coil portion is orthogonal to the direction in which current flows through the coil portion. In one or more embodiments, the external electrode is provided on the first surface such that it is connected to the end surface of the lead-out portion.

公开(公告)号：US20210272739A1

公开(公告)日：2021-09-02

申请号：US17326139

申请日：2021-05-20

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Yoshikazu MARUYAMA ,  Noriyuki MABUCHI ,  Ichiro YOKOYAMA ,  Masataka KOHARA ,  Keiichi NOZAWA ,  Masakazu OKAZAKI ,  Hideaki HOSHINO ,  Tomoyuki OYOSHI ,  Takehumi YAMADA ,  Chikako YOSHIDA

IPC: H01F27/28 ,  H01F41/04 ,  H01F27/32 ,  H01F41/12 ,  H01F17/00

Abstract: In an exemplary embodiment, a coil component includes: an element body part 10 and a coil 30 of spiral shape constituted by multiple turn units 32 connected in a coil axial direction; wherein each turn unit 32 has, in a cross-sectional view in the width direction of the turn unit 32, a flat side 40 that extends in a second direction substantially perpendicular to the coil axis of the coil 30; and the point of intersection 48 between a figure line 42 corresponding to the longest part in a first direction, and a figure line 44 corresponding to the longest part in the second direction, with respect to the coil axis, is positioned on the figure line 42 within one-quarter of the figure line away from one end 50 on the side 40 or from the other end 52 opposing the side 40.

公开(公告)号：US20210134517A1

公开(公告)日：2021-05-06

申请号：US17124239

申请日：2020-12-16

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Ichiro YOKOYAMA

IPC: H01F27/28 ,  H01F27/24 ,  H01F27/29 ,  H01F27/32 ,  H01F41/12 ,  H05K1/18 ,  H01F41/04

Abstract: A coil component according to one embodiment of the present invention includes a magnetic base body, a first external electrode, a second external electrode, a coil conductor extending around a coil axis, a first insulator, and a second insulator. The first insulator is provided between a first flange portion of the first external electrode and a first coil pattern of the coil conductor, and the second insulator is provided between a second flange portion of the second external electrode and a second coil pattern of the coil conductor.

公开(公告)号：US20180096780A1

公开(公告)日：2018-04-05

申请号：US15713397

申请日：2017-09-22

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Takayuki SEKIGUCHI ,  Ichiro YOKOYAMA ,  Masuo YATABE ,  Noriyuki MABUCHI ,  Tomoyuki OYOSHI

IPC: H01F27/29 ,  H01F27/28 ,  H01F27/32

CPC classification number: H01F27/292 ,  H01F17/0013 ,  H01F27/2804 ,  H01F27/327 ,  H01F41/041 ,  H01F2017/002 ,  H01F2017/004 ,  H01F2027/2809

Abstract: In an embodiment, a coil component includes: an element body part 10; a coil conductor 36 constituted by first conductors 32 extending along the pair of end faces 16 and orthogonally to a bottom face 14, as well as second conductors 34 extending from one side, to the other side, of the pair of end faces and thereby connecting the multiple first conductors 32; lead conductor parts 38 electrically connected to two ends of the coil conductor, respectively; and a pair of external electrodes 50 electrically connected to the lead conductor parts; wherein at least one end of the coil conductor is electrically connected, via the lead conductor, to the external electrode at a top face 12 of the element body part; and the coil conductor extends from the at least the one end, using a second conductor, along and near the top face.

公开(公告)号：US20180096778A1

公开(公告)日：2018-04-05

申请号：US15719419

申请日：2017-09-28

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Masuo YATABE ,  Chitose KIMURA ,  Kozue IMAIZUMI ,  Ichiro YOKOYAMA

IPC: H01F27/28 ,  H01F27/29

CPC classification number: H01F27/2804 ,  H01F17/0013 ,  H01F27/292 ,  H01F2027/2809 ,  H01G4/012 ,  H01G4/30 ,  H01G4/40

Abstract: In an embodiment, an electronic component includes: an element body part 10 constituted by an insulative body of rectangular solid shape; an internal conductor 30 provided inside the element body part 10; and external electrodes 50 provided at least on the bottom face 14 (mounting surface) of the element body part 10 and electrically connected to the internal conductor 30; wherein the element body part 10 has: a conductor-containing layer 20 in which a coil conductor 36 (functional part) that will become a part of the internal conductor 30 to demonstrate electrical performance, is provided; and a high-hardness layer 22 which is provided side by side with the conductor-containing layer 20 in a direction parallel with the bottom face 14 (mounting surface) of the element body part 10, and which has a higher hardness compared to the conductor-containing layer 20. The electronic component has improve mechanical strength.