# US 2015/0102889 A1 · Inductor and manufacturing method thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2015/0102889 A1 - Document ID: US20150102889A1 - Status: Published application - Kind: A1 - Application number: 14/321,059 - Filed: 2014-07-01 - Published: 2015-04-16 - Earliest claimed: 2013-10-11 - Assignees: Samsung Electro-Mechanics Co., Ltd. - Applicants: Samsung Electro-Mechanics Co., Ltd. - Inventors: Woon Chul CHOI; Sung Hyun KIM; Hye Yeon CHA - Web page: https://patentgrep.com/patent/US20150102889A1 ## CPC - H01F 27/2804: {Printed windings} - H01F 17/0013: {with stacked layers} - H01F 27/292: {Surface mounted devices} - H01F 41/042: {by thin film techniques} - H01F: MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES ## Abstract An inductor may include: a body, and a first and a second external electrode formed on end surfaces of the body. The body may include a coil support layer, a conductive coil formed on at least one surface of the coil support layer, a lamination part formed in a gap of the conductive coil and on an upper surface thereof, an insulating coating part formed to enclose an overall surface of the conductive coil on which the lamination part is formed, and upper and lower cover layers covering the overall surface of the conductive coil on which the insulating coating part is formed. ## Claims ### Claim 1 An inductor comprising: a body; and a first and a second external electrode disposed on end surfaces of the body, wherein the body includes: a coil support layer; a conductive coil disposed on at least one surface of the coil support layer; a lamination part formed in a gap of the conductive coil and on an upper surface thereof; an insulating coating part formed to enclose an overall surface of the conductive coil on which the lamination part is formed; and an upper and a lower cover layer covering the overall surface of the conductive coil on which the insulating coating part is formed. ### Claim 2 (depends on 1) The inductor of claim 1, wherein the conductive coil is disposed to have a spiral shape. ### Claim 3 (depends on 1) The inductor of claim 1, wherein the conductive coil is provided in plural, and the plurality of coils are disposed on both surfaces of the coil support layer to be vertically symmetrical to each other. ### Claim 4 (depends on 1) The inductor of claim 1, wherein the insulating coating part is formed of a material containing epoxy. ### Claim 5 (depends on 1) The inductor of claim 1, wherein the insulating coating part has an average thickness of about 0.5 μm to about 15 μm. ### Claim 6 (depends on 1) The inductor of claim 1, wherein the coil support layer is a substrate formed of an insulating material. ### Claim 7 (depends on 1) The inductor of claim 1, wherein the conductive coil has a thickness of about 100 μm or more. ### Claim 8 (depends on 1) The inductor of claim 1, wherein a gap interval of the conductive coil is about 8 μm to about 12 μm. ### Claim 9 A manufacturing method of an inductor, the manufacturing method comprising: preparing a coil support layer; forming a conductive coil on at least one surface of the coil support layer; forming a lamination part in a gap of the conductive coil and on an upper surface thereof by performing a lamination process on one surface of the coil support layer; forming an insulating coating part to cover an overall surface of the conductive coil having the lamination part formed thereon by coating a circumference of the conductive coil having the lamination part formed thereon, with an insulating material; preparing a body including upper and lower cover layers formed thereon by covering the coil support layer on which the insulating coating part is formed in such a manner that both end surfaces of the coil support layer are exposed; and forming a first and a second external electrode on both end surfaces of the body to be connected to the exposed end surfaces of the coil support layer, respectively. ### Claim 10 (depends on 9) The manufacturing method of claim 9, wherein the conductive coil is formed to have a spiral shape. ### Claim 11 (depends on 9) The manufacturing method of claim 9, wherein in the forming of the conductive coil, the conductive coil is provided in plural, and the plurality of coils are formed on both surfaces of the coil support layer to be vertically symmetrical to each other. ### Claim 12 (depends on 9) The manufacturing method of claim 9, wherein in the forming of the insulating coating part, a material containing epoxy is used as the insulating material. ### Claim 13 (depends on 9) The manufacturing method of claim 9, wherein in the forming of the insulating coating part, the coating is performed such that an average thickness of the insulating coating part is about 0.5 μm to about 15 μm. ### Claim 14 (depends on 9) The manufacturing method of claim 9, wherein in the preparing of the coil support layer, the coil support layer is a substrate formed of an insulating material. ### Claim 15 (depends on 9) The manufacturing method of claim 9, wherein in the forming of the conductive coil, the conductive coil has a thickness of about 100 μm or more. ### Claim 16 (depends on 9) The manufacturing method of claim 9, wherein in the forming of the conductive coil, a gap interval of the conductive coil is about 8 μm to about 12 μm. ### Claim 17 (depends on 1) The inductor of claim 1, wherein the inductor is manufactured by a method comprising: preparing a coil support layer; forming a conductive coil on at least one surface of the coil support layer; forming a lamination part in a gap of the conductive coil and on an upper surface thereof by performing a lamination process on one surface of the coil support layer; forming an insulating coating part to cover an overall surface of the conductive coil having the lamination part formed thereon by coating a circumference of the conductive coil having the lamination part formed thereon, with an insulating material; preparing a body including upper and lower cover layers formed thereon by covering the coil support layer on which the insulating coating part is formed in such a manner that both end surfaces of the coil support layer are exposed; and forming a first and a second external electrode on both end surfaces of the body to be connected to the exposed end surfaces of the coil support layer, respectively. ### Claim 18 An inductor comprising: a body; and a first and a second external electrode disposed on end surfaces of the body, wherein the body includes: a coil support layer, a conductive coil disposed on at least one surface of the coil support layer, a lamination layer formed in a gap of the conductive coil and partially on an upper surface of the conductive coil, and an insulating layer enclosing the conductive coil and the lamination layer that is partially formed on the upper surface of the conductive coil, the insulation layer overlapping the lamination layer on the upper surface of the conductive coil and overlapping the upper surface of conductive coil. ### Claim 19 (depends on 18) The inductor of claim 18, wherein the conductive coil is provided in plural, and the plurality of coils are disposed on both surfaces of the coil support layer to be vertically symmetrical to each other. ### Claim 20 (depends on 18) The inductor of claim 18, wherein the insulating layer has an average thickness of about 0.5 μm to about 15 μm. ### Claim 21 (depends on 18) The inductor of claim 18, wherein a gap interval of the conductive coil is about 8 μm to about 12 μm.