Invention Grant
- Patent Title: Inductor and method for producing the same
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Application No.: US16438291Application Date: 2019-06-11
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Publication No.: US11600438B2Publication Date: 2023-03-07
- Inventor: Jianxin Sheng
- Applicant: Murata Manufacturing Co., Ltd.
- Applicant Address: JP Kyoto-fu
- Assignee: Murata Manufacturing Co., Ltd.
- Current Assignee: Murata Manufacturing Co., Ltd.
- Current Assignee Address: JP Kyoto-fu
- Agency: Studebaker & Brackett PC
- Priority: JPJP2018-117245 20180620,JPJP2019-011331 20190125
- Main IPC: H01F27/28
- IPC: H01F27/28 ; H01F41/02 ; H01F17/04 ; H01F27/29 ; H01L49/02 ; B29C43/00 ; H01F27/36 ; B29K303/06

Abstract:
An inductor includes an element containing a magnetic metal powder and a resin, a coil that includes a winding portion and paired extended portions extended from both ends of the winding portion and that is embedded in the element, a pair of an external terminal electrically connected to one of the extended portions and an external terminal electrically connected to the other of the extended portions, and a conductive layer disposed on a surface of the element that crosses the winding axis of the coil. The conductive layer includes a first metal layer formed by fusing together the magnetic metal powder near the surface of the element and a second metal layer formed by plating on the first metal layer. The electrical resistivity of the second metal layer is lower than the electrical resistivity of the first metal layer.
Public/Granted literature
- US20190392987A1 INDUCTOR AND METHOD FOR PRODUCING THE SAME Public/Granted day:2019-12-26
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