# US 12,224,100 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 12,224,100 B2 - Document ID: US12224100B2 - Status: Granted - Kind: B2 - Application number: 16/879,013 - Filed: 2020-05-20 - Published: 2021-06-10 - Granted: 2025-02-11 - Earliest claimed: 2019-12-09 - Assignees: Samsung Electro-Mechanics Co., Ltd. - Applicants: Samsung Electro-Mechanics Co., Ltd. - Inventors: Jae Hun Kim; Byeong Cheol Moon; Joung Gul Ryu - Web page: https://patentgrep.com/patent/US12224100B2 ## CPC - H01F 17/0013: {with stacked layers} - H01F 27/2804: {Printed windings} - H01F 17/0006: {Printed inductances (printed coils for dynamo-electric machines H02K3/26; printed circuits H05K)} - H01F 17/04: with magnetic core - H01F 27/306: {Fastening or mounting coils or windings on core, casing or other support} - H01F 27/32: Insulating of coils, windings, or parts thereof - H01F 41/041: {Printed circuit coils (apparatus or processes for manufacturing printed circuits in general H05K3/00)} - H01F 41/12: Insulating of windings ({impregnating or encapsulating of transformers H01F41/005} ; of conductors in general H01B13/06) - H01F 27/2809: {on stacked layers} - H01F 2017/0073: {with a special conductive pattern, e.g. flat spiral} - 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 support substrate having one surface including at least one groove portion; a coil portion disposed to contact the one surface of the support substrate; and a body embedding the support substrate and the coil portion, wherein the coil portion has an anchor portion disposed in the at least one groove portion, and a pattern portion disposed on the anchor portion and spaced apart from the one surface of the support substrate. A line width of the anchor portion is narrower than a line width of the pattern portion. ## Claims ### Claim 1 A coil component comprising: a support substrate having one surface including at least one groove portion; a coil portion disposed to contact the one surface of the support substrate; and a body embedding the support substrate and the coil portion, wherein the coil portion has an anchor portion disposed in the at least one groove portion, and a pattern portion disposed on the anchor portion and spaced apart from the one surface of the support substrate, wherein a line width of the anchor portion is narrower than a line width of the pattern portion, wherein the coil portion has a plurality of turns, and wherein the anchor portion of one of the plurality of turns includes a plurality of anchors spaced apart from each other in a region where the line width of the pattern portion is defined. ### Claim 2 (depends on 1) The coil component according to claim 1, wherein the coil portion comprises first and second coil patterns respectively disposed on the one surface and the other surface of the support substrate, wherein each of the first and second coil patterns comprises the anchor portion and the pattern portion. ### Claim 3 (depends on 2) The coil component according to claim 2, wherein each of the first and second coil patterns comprises: a lower plating layer adjacent to the support substrate and including the anchor portion and a portion of the pattern portion extending from the anchor portion; and an upper plating layer including another portion of the pattern portion disposed on the lower plating layer, different from the portion of the pattern portion, wherein a thickness of the lower plating layer in a thickness direction is greater than a separation distance between the pattern portion and the support substrate. ### Claim 4 (depends on 3) The coil component according to claim 3, wherein the lower plating layer is integrally formed. ### Claim 5 (depends on 2) The coil component according to claim 2, wherein each of the first and second coil patterns has a plurality of turns, and wherein the anchor portion of each of the plurality of turns of the first and second coil patterns includes a plurality of anchors spaced apart from each other. ### Claim 6 (depends on 1) The coil component according to claim 1, further comprising an insulation layer disposed between the coil portion and the body. ### Claim 7 (depends on 6) The coil component according to claim 6, wherein in the at least one groove portion, the coil portion is in contact with a portion of the support substrate. ### Claim 8 (depends on 1) The coil component according to claim 1, wherein an average roughness (Ra) of the one surface of the support substrate on which the groove portion is formed is 1 μm or more and 5 μm or less. ### Claim 9 (depends on 1) The coil component according to claim 1, wherein a thickness of the support substrate is 10 μm or more and 60 μm or less. ### Claim 10 (depends on 1) The coil component according to claim 1, wherein the coil portion contains copper (Cu). ### Claim 11 (depends on 1) The coil component according to claim 1, wherein the coil portion does not contain molybdenum (Mo). ### Claim 12 (depends on 1) The coil component according to claim 1, wherein a shape of the anchor portion corresponds to a shape of the groove portion. ### Claim 13 (depends on 1) The coil component according to claim 1, wherein the anchor portion is disposed in the groove portion, and is disposed toward a central portion of the support substrate. ### Claim 14 (depends on 1) The coil component according to claim 1, wherein in a cross-section of the coil component, the plurality of anchors of the anchor portion of the one of the plurality of turns extend from the one of the plurality of turns into the support substrate. ### Claim 15 A coil component comprising: a support substrate having one surface including first and second groove portions having different depths; a coil portion disposed on one surface of the support substrate; and a body embedding the support substrate and the coil portion, wherein the coil portion has first and second anchor portions respectively disposed in the first and second groove portions in the support substrate, and a pattern portion connected to the first and second anchor portions and protruding from the one surface of the support substrate, wherein the pattern portion is spaced apart from the one surface of the support substrate, and wherein a plurality of turns of the coil portion are spaced apart from each other in a cross-section of the coil component, and in the cross-section of the coil component, the first and second anchor portions extend from a same turn among the plurality of turns of the coil portion. ### Claim 16 (depends on 15) The coil component according to claim 15, further comprising an insulation layer insulating between the coil portion and the body, wherein the insulation layer is disposed in a space between the pattern portion and the one surface of the support substrate. ### Claim 17 (depends on 16) The coil component according to claim 16, wherein in the one or more of the plurality of groove portions, the coil portion is in contact with a portion of the support substrate. ### Claim 18 A coil component comprising: a support substrate; a coil portion including an anchor portion embedded in the support substrate, and a pattern portion extending from the anchor portion and protruding from the support substrate; a body embedding the support substrate and the coil portion; and an insulating layer disposed between the pattern portion and the support substrate, wherein an average roughness (Ra) of one surface of the coil portion facing the support substrate is greater than an average roughness (Ra) of another surface of the coil portion opposing the one surface of the coil portion. ### Claim 19 (depends on 18) The coil component according to claim 18, wherein the anchor portion and the pattern portion comprises a same material. ### Claim 20 (depends on 19) The coil component according to claim 19, wherein the same material contained in the pattern portion is in contact with the insulating layer. ### Claim 21 (depends on 18) The coil component according to claim 18, wherein the coil portion is in contact with a portion of the support substrate.