# US 2014/0154920 A1 · Choke coil devices and methods of making and using the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0154920 A1 - Document ID: US20140154920A1 - Status: Published application - Kind: A1 - Application number: 13/835,217 - Filed: 2013-03-15 - Published: 2014-06-05 - Earliest claimed: 2012-12-03 - Inventors: Thuyen Dinh; Mohammad Saboori; Aurelio Gutierrez; Hamlet Abedmamoore - Web page: https://patentgrep.com/patent/US20140154920A1 ## CPC - H01F 27/292: {Surface mounted devices} - H01F 27/2823: {Wires (H01F27/2866 takes precedence)} - H01F 38/48: {Common mode inductor for reducing or eliminating common mode noise on parallel lines} - H01R 13/6633: {with inductive component, e.g. transformer} - Y10T 29/49071: by winding or coiling - H01F: MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract A chip choke assembly which reduces the loss of magnetic flux from the underlying core portions. In one embodiment, this reduction is achieved by producing a chip choke assembly comprised of two or more chip choke portions that collectively form a closed magnetic path. Additionally, the chip choke assembly disclosed herein also allows for adequate clearance between adjacent pads so as to avoid arcing during high potential voltage conditions. Methods for manufacturing and using the aforementioned chip choke assembly are also disclosed. ## Claims ### Claim 1 A chip choke assembly, comprising: a first chip choke portion comprising a first plurality of windings disposed about a first axial section of said first chip choke portion; and a second chip choke portion comprising a second plurality of windings disposed about a first axial section of said second chip choke portion; wherein the first chip choke portion and the second chip choke portion collectively form a closed magnetic path for the chip choke assembly. ### Claim 2 (depends on 1) The chip choke assembly of claim 1, wherein the first chip choke portion comprises a skewed I-shaped portion having a first pair of flange elements. ### Claim 3 (depends on 2) The chip choke assembly of claim 2, wherein the second chip choke portion comprises a skewed I-shaped portion having a second pair of flange elements. ### Claim 4 (depends on 3) The chip choke assembly of claim 3, wherein the first and second chip choke portions are arranged such that a small dimension of the first and second pair of flange elements are positioned such that they are adjacent one another. ### Claim 5 (depends on 3) The chip choke assembly of claim 3, wherein the first and second chip choke portions are arranged such that a large dimension of the first and second pair of flange elements are positioned such that they are adjacent one another. ### Claim 6 (depends on 3) The chip choke assembly of claim 3, further comprising a plurality of termination pads, the termination pads being resident on opposing corners of the chip choke assembly. ### Claim 7 (depends on 6) The chip choke assembly of claim 6, further comprising a metallic clip that is configured to join the first and second chip choke portions to tone another. ### Claim 8 (depends on 6) The chip choke assembly of claim 6, wherein the first chip choke portion and the second chip choke portion collectively forming a closed magnetic path is useful for a high frequency application. ### Claim 9 (depends on 8) The chip choke assembly of claim 8, wherein the high frequency application consists of: (1) a 1 Gbps Ethernet application; and (2) a 10 Gbps Ethernet application. ### Claim 10 An integrated connector module, comprising: a connector housing and a plurality of magnetic components disposed within the connector housing, the plurality of magnetic components, comprising: a plurality of wound ferrite cores; and a chip choke assembly, comprising: a first chip choke portion comprising a first plurality of windings disposed about a first axial section of said first chip choke portion; and a second chip choke portion comprising a second plurality of windings disposed about a first axial section of said second chip choke portion; wherein the first chip choke portion and the second chip choke portion collectively form a closed magnetic path for the chip choke assembly. ### Claim 11 (depends on 10) The integrated connector module of claim 10, wherein the use of the chip choke assembly in the plurality of magnetic components enables larger size wound ferrite cores to be used than would be possible without the use of the chip choke assembly. ### Claim 12 (depends on 11) The integrated connector module of claim 11, wherein the plurality of wound ferrite cores comprise a plurality of substrate inductive devices with the enabling of the larger size wound ferrite core minimizing conductive anodic filament (CAF) development within the substrate inductive devices. ### Claim 13 (depends on 10) The integrated connector module of claim 10, wherein the plurality of magnetic components and the closed magnetic path for the chip choke assembly are configured for a high frequency application. ### Claim 14 (depends on 13) The integrated connector module of claim 13, wherein the high frequency application consists of: (1) a 1 Gbps Ethernet application; and (2) a 10 Gbps Ethernet application. ### Claim 15 (depends on 10) The integrated connector module of claim 10, wherein the first chip choke portion comprises a skewed I-shaped portion having a first pair of flange elements. ### Claim 16 (depends on 15) The integrated connector module of claim 15, wherein the second chip choke portion comprises a skewed I-shaped portion having a second pair of flange elements. ### Claim 17 (depends on 16) The integrated connector module of claim 16, wherein the first and second chip choke portions are arranged such that a small dimension of the first and second pair of flange elements are positioned such that they are adjacent one another. ### Claim 18 (depends on 16) The integrated connector module of claim 16, wherein the first and second chip choke portions are arranged such that a large dimension of the first and second pair of flange elements are positioned such that they are adjacent one another. ### Claim 19 A method of manufacturing a chip choke assembly, comprising: providing a pair of core portions, each of the core portions comprised of an axial portion and a pair of flange portions; attaching a printed circuit board to each of the flange portions; winding each of the core portions with a plurality of windings; attaching ends of the windings to a respective one of the printed circuit boards; and holding the pair of core portions together to form the chip choke assembly. ### Claim 20 (depends on 19) The method of manufacturing the chip choke assembly of claim 19, wherein the act of holding the pair of core portions together comprises securing the pair of core portions together with a metallic clip.