Bead inductor and method of manufacturing same

Details Bead inductor and method of manufacturing same Bead inductor and method of manufacturing same

H - Electricity

01

F

H01F 41/04 (2006.01) H01F 27/02 (2006.01) H01F 27/29 (2006.01) H01F 41/10 (2006.01)

Patent

CA 2276144

A method for manufacturing a bead inductor includes steps of forming a molded body of a resin or a rubber including a powdered magnetic substance, with a conductor coil formed by winding a metallic wire coated for insulation embedded therein; cutting both end portions of the molded body so as to expose end portions of the conductor coil; and attaching external terminals to exposed end portions of the conductor coil so as to be electrically connected. In order to increase reliability of connection between the conductor coil and external terminals, both end portions of the conductor coil prior to the forming step are immersed into a solder bath so as to include the cutting regions of both end portions of the molded body therein such that soldered portions are formed by removing insulation coating on both end portions of the conductor coil. A bead inductor is produced by using this conductor coil.

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