# US 12,009,142 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 12,009,142 B2 - Document ID: US12009142B2 - Status: Granted - Kind: B2 - Application number: 17/194,656 - Filed: 2021-03-08 - Published: 2022-06-16 - Granted: 2024-06-11 - Earliest claimed: 2020-12-14 - Assignees: Samsung Electro-Mechanics Co., Ltd. - Applicants: Samsung Electro-Mechanics Co., Ltd. - Inventors: Ji Su Jeon; Ji Young Park - Web page: https://patentgrep.com/patent/US12009142B2 ## CPC - H01F 17/0013: {with stacked layers} - H01F 27/2804: {Printed windings} - H01F 27/24: Magnetic cores - H01F 27/29: Terminals; Tapping arrangements {for signal inductances} - H01F 27/292: {Surface mounted devices} - H01F 27/324: {Insulation between coil and core, between different winding sections, around the coil; Other insulation structures} - H01F 41/041: {Printed circuit coils (apparatus or processes for manufacturing printed circuits in general H05K3/00)} - H01F 27/2809: {on stacked layers} - 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 having first and second end surfaces opposing each other and first and second side surfaces opposing each other in a first direction; a support substrate disposed in the body; and a coil portion including a first coil pattern disposed on the support substrate, and first and second lead-out patterns respectively exposed to the first and second end surfaces of the body. A distance between the first side surface of the body and the first lead-out pattern in the first direction is smaller than a distance between the second side surface of the body and the first lead-out pattern in the first direction, and a distance between the first side surface of the body and the second lead-out pattern in the first direction is smaller than a distance between the second side surface of the body and the second lead-out pattern in the first direction. ## Claims ### Claim 1 A coil component, comprising: a body having a first end surface and a second end surface opposing each other, and having a first side surface and a second side surface connecting the first end surface to the second end surface and opposing each other in a first direction; a support substrate disposed in the body; and a coil portion including a first coil pattern disposed on a first surface of the support substrate, and first and second lead-out patterns connected to the first coil pattern and respectively exposed to the first end surface and the second end surface of the body, wherein a distance between the first side surface of the body and the first lead-out pattern in the first direction is smaller than a distance between the second side surface of the body and the first lead-out pattern in the first direction, a distance between the first side surface of the body and the second lead-out pattern in the first direction is smaller than a distance between the second side surface of the body and the second lead-out pattern in the first direction, the coil portion further comprises a second coil pattern disposed on a second surface of the support substrate opposing the first surface of the support substrate, the coil portion further comprises a via penetrating through the support substrate and connecting an inner end portion of each of the first and second coil patterns to each other, and the via is disposed to be closer to the first side surface of the body than to the second side surface of the body. ### Claim 2 (depends on 1) The coil component of claim 1, wherein the distance between the first side surface of the body and the first lead-out pattern in the first direction is substantially equal to the distance between the first side surface of the body and the second lead-out pattern in the first direction. ### Claim 3 (depends on 1) The coil component of claim 1, wherein each of the first and second lead-out patterns has a first side end, adjacent to the first side surface of the body, and a second side end, opposing the first side end and adjacent to the second side surface of the body, wherein a virtual line connecting each center of the first end surface and the second end surface of the body to each other refers to a center line, wherein a distance between the first side end of the first lead-out pattern and the center line in the first direction is greater than a distance between the second side end of the first lead-out pattern and the center line in the first direction, and wherein a distance between the first side end of the second lead-out pattern and the center line in the first direction is greater than a distance between the second side end of the second lead-out pattern and the center line in the first direction. ### Claim 4 (depends on 3) The coil component of claim 3, wherein a distance between the first side end of the first lead-out pattern and the center line in the first direction is substantially the same as a distance between the first side end of the second lead-out pattern and the center line in the first direction. ### Claim 5 (depends on 1) The coil component of claim 1, wherein at least a portion of the first lead-out pattern is disposed on the first surface of the support substrate and is connected to be in contact with the first coil pattern, and wherein at least a portion of the second lead-out pattern is disposed on the second surface of the support substrate and is connected to be in contact with the second coil pattern. ### Claim 6 (depends on 5) The coil component of claim 5, wherein the support substrate is exposed to each of the first end surface and the second end surface of the body. ### Claim 7 (depends on 5) The coil component of claim 5, wherein the support substrate is spaced apart from each of the first end surface and the second end surface of the body. ### Claim 8 (depends on 7) The coil component of claim 7, further comprising an insulating film disposed between the coil portion and the body, wherein the insulating film covers a side surface of the support substrate parallel to each of the first end surface and the second end surface of the body. ### Claim 9 (depends on 8) The coil component of claim 8, wherein the insulating film covers all boundaries between the first and second lead-out patterns and the body in each of the first end surface end the second end surface of the body. ### Claim 10 (depends on 5) The coil component of claim 5, wherein the body further has a first surface connected to each of the first side surface, the second side surface, the first end surface, and the second end surface of the body, and the coil component further comprises first and second external electrodes disposed to be spaced apart from each other on the first surface of the body and respectively connected to the first and second lead-out patterns. ### Claim 11 A coil component, comprising: a body having a first end surface and a second end surface opposing each other, and having a first side surface and a second side surface connecting the first end surface to the second end surface and opposing each other in a first direction; a support substrate disposed in the body; and a coil portion including a first coil pattern disposed on a first surface of the support substrate and a second coil pattern disposed on a second surface of the support substrate opposing the first surface of the support substrate, and first and second lead-out patterns respectively connected to the first and second coil patterns and respectively exposed to the first end surface and the second end surface of the body, wherein a center of an exposed surface of the first lead-out pattern is closer to the first side surface of the body than the second side surface of the body, and a center of an exposed surface of the second lead-out pattern is closer to the first side surface of the body than the second side surface of the body, the coil portion further comprises a via penetrating through the support substrate and connecting an inner end portion of each of the first and second coil patterns to each other, and the via is disposed to be closer to the first side surface of the body than to the second side surface of the body. ### Claim 12 (depends on 11) The coil component of claim 11, wherein a width of the first lead-out pattern in the first direction is substantially equal to a width of the second lead-out pattern in the first direction. ### Claim 13 (depends on 11) The coil component of claim 11, wherein a distance from the center of the exposed portion of the first lead-out pattern to the first side surface of the body in the first direction is substantially equal to a distance from the center of the exposed portion of the second lead-out pattern to the first side surface of the body in the first direction. ### Claim 14 (depends on 11) The coil component of claim 11, wherein the coil portion further comprises a second coil pattern disposed on a second surface of the support substrate opposing the first surface of the support substrate, wherein at least a portion of the first lead-out pattern is disposed on the first surface of the support substrate and is connected to be in contact with the first coil pattern, and wherein at least a portion of the second lead-out pattern is disposed on the second surface of the support substrate and is connected to be in contact with the second coil pattern. ### Claim 15 (depends on 11) The coil component of claim 11, wherein the support substrate is exposed to each of the first end surface and the second end surface of the body. ### Claim 16 (depends on 11) The coil component of claim 11, wherein the support substrate is spaced apart from each of the first end surface and the second end surface of the body. ### Claim 17 (depends on 11) The coil component of claim 11, further comprising an insulating film disposed between the coil portion and the body, wherein the insulating film covers a side surface of the support substrate parallel to each of the first end surface and the second end surface of the body. ### Claim 18 (depends on 11) The coil component of claim 11, further comprising first and second external electrodes respectively disposed on the first and second end surfaces of the body to be spaced apart from each other and respectively connected to the first and second lead-out patterns. ### Claim 19 A coil component, comprising: a body having a first end surface and a second end surface opposing each other, and having a first side surface and a second side surface connecting the first end surface to the second end surface and opposing each other in a first direction; a support substrate disposed in the body; and a coil portion including a first coil pattern disposed on a first surface of the support substrate and a second coil pattern disposed on a second surface of the support substrate opposing the first surface of the support substrate, and first and second lead-out patterns respectively connected to the first and second coil patterns and respectively exposed to the first end surface and the second end surface of the body, wherein each of the first and second lead-out patterns is disposed asymmetrically with respect to a center line of the body, connecting each center of the first and second end surfaces of the body to each other, in the first direction, the coil portion further comprises a via penetrating through the support substrate and connecting an inner end portion of each of the first and second coil patterns to each other, and the via is disposed to be closer to the first side surface of the body than to the second side surface of the body. ### Claim 20 (depends on 19) The coil component of claim 19, wherein a center of an exposed surface of the first lead-out pattern is closer to the first side surface of the body than the second side surface of the body, and a center of an exposed surface of the second lead-out pattern is closer to the first side surface of the body than the second side surface of the body. ### Claim 21 (depends on 19) The coil component of claim 19, wherein a width of the first lead-out pattern in the first direction is substantially equal to a width of the second lead-out pattern in the first direction. ### Claim 22 (depends on 19) The coil component of claim 19, wherein a distance from the center of the exposed portion of the first lead-out pattern to the first side surface of the body in the first direction is substantially equal to a distance from the center of the exposed portion of the second lead-out pattern to the first side surface of the body in the first direction.