# US 12,014,860 B2 · Coil component > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,014,860 B2 - Document ID: US12014860B2 - Status: Granted - Kind: B2 - Application number: 17/230,461 - Filed: 2021-04-14 - Published: 2022-06-30 - Granted: 2024-06-18 - Earliest claimed: 2020-12-28 - Assignees: Samsung Electro-Mechanics Co., Ltd. - Applicants: Samsung Electro-Mechanics Co., Ltd. - Inventors: Myoung Soon Park; Sung Hee Kim; Han Kyeol Kim; Ji Young Park - Web page: https://patentgrep.com/patent/US12014860B2 ## CPC - H01F 17/0013: {with stacked layers} - H01F 27/2804: {Printed windings} - H01F 27/2885: {with shields or electrodes (shields or electrodes for pancake coils H01F27/2871; construction of electric or magnetic shields or screens H01F27/36)} - H01F 27/29: Terminals; Tapping arrangements {for signal inductances} - H01F 27/323: {Insulation between winding turns, between winding layers} - H01F 27/324: {Insulation between coil and core, between different winding sections, around the coil; Other insulation structures} - H01F 27/33: Arrangements for noise damping - H01F 41/041: {Printed circuit coils (apparatus or processes for manufacturing printed circuits in general H05K3/00)} - H01F 27/292: {Surface mounted devices} - H01F 2017/048: {with encapsulating core, e.g. made of resin and magnetic powder} - H01F: MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES ## Abstract A coil component includes: a body; an insulating layer disposed in the body; a coil portion including a first coil pattern embedded in the insulating layer and having a first surface exposed to a first surface of the insulating layer and a second coil pattern disposed on a second surface of the insulating layer, facing the first surface of the insulating layer; and a noise removing portion disposed in the insulating layer and spaced apart from the first and second coil patterns, respectively. ## Claims ### Claim 1 A coil component, comprising: a body comprising a magnetic material; a non-magnetic insulating layer disposed in the body and having a through-hole; a coil portion including a first coil pattern embedded in the insulating layer and having a first surface exposed to a first surface of the insulating layer and a second coil pattern disposed on a second surface of the insulating layer, facing the first surface of the insulating layer, the first and second coil patterns being disposed around the through-hole; and a noise removing portion disposed in the insulating layer and spaced apart from the first and second coil patterns, respectively, wherein the magnetic material fills the through-hole. ### Claim 2 (depends on 1) The coil component of claim 1, wherein the insulating layer includes a first insulating layer covering the first coil pattern and having the noise removing portion disposed on a first surface thereof, and a second insulating layer covering the noise removing portion and having the second coil pattern disposed on a first surface thereof. ### Claim 3 (depends on 2) The coil component of claim 2, wherein the first coil pattern is spaced apart from the first surface of the first insulating layer on which the noise removing portion is disposed and exposed to a second surface of the first insulating layer facing the first surface of the first insulating layer. ### Claim 4 (depends on 2) The coil component of claim 2, wherein the second coil pattern includes a plating layer and a seed layer disposed between the plating layer and the second insulating layer. ### Claim 5 (depends on 1) The coil component of claim 1, wherein the noise removing portion is disposed so that at least some area of the noise removing portion overlaps at least some area of the first and second coil patterns, respectively. ### Claim 6 (depends on 1) The coil component of claim 1, further comprising: a pair of external electrodes disposed outside the body and connected to the first and second coil patterns, respectively. ### Claim 7 (depends on 6) The coil component of claim 6, further comprising: a ground electrode disposed outside the body to be spaced apart from the pair of external electrodes and connected to the noise removing portion. ### Claim 8 (depends on 1) The coil component of claim 1, wherein each of the first and second coil patterns has a planar spiral shape. ### Claim 9 (depends on 1) The coil component of claim 1, wherein the noise removing portion forms an open-loop. ### Claim 10 (depends on 1) The coil component of claim 1, further comprising: an insulating film disposed on outer surfaces of the first and second coil patterns and the insulating layer to insulate the first and second coil patterns and the body from each other. ### Claim 11 (depends on 1) The coil component of claim 1, further comprising: a via penetrating through the insulating layer to connect the first and second coil patterns. ### Claim 12 A coil component, comprising: a first coil pattern; a non-magnetic first insulating layer encapsulating the first coil pattern and having a first surface spaced apart from the first coil pattern and a through-hole around which the first coil pattern is disposed; a noise removing portion disposed on the first surface of the first insulating layer; a non-magnetic second insulating layer disposed on the first surface of the first insulating layer and covering the noise removing portion, the second insulating layer having a second surface spaced apart from the noise removing portion and the through-hole around which the second coil pattern is disposed; a second coil pattern disposed on the second surface of the second insulating layer such that the first coil pattern and the second coil pattern are capacitively coupled to the noise removing portion; and a body comprising a magnetic material and encapsulating the first and second coil patterns, the first and second insulating layers and the noise removing portion, the magnetic material filling the through-hole. ### Claim 13 (depends on 12) The coil component of claim 12, wherein each of the first and second coil patterns has a portion exposed to a surface of the body and contacts a corresponding external electrode disposed on the surface of the body. ### Claim 14 (depends on 12) The coil component of claim 12, wherein the noise removing portion has a portion exposed to a surface of the body and contacts a ground electrode disposed on the surface of the body. ### Claim 15 (depends on 12) The coil component of claim 12, wherein the noise removing portion comprises a conductor, and the first and second coil patterns are connected by a via penetrating the first and second insulating layers and the noise removing portion, the via being insulated from the noise removing portion.