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US 9,312,587 B2Granted
Common mode filter and method of manufacturing the same
AssigneeSamsung Electro-Mechanics Co., Ltd.
InventorsHong-Ryul Lee, Young-Do Kweon, Sang-Moon Lee
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Abstract
A common mode filter a manufacturing method thereof are disclosed. The common mode filter in accordance with an embodiment of the present invention includes: a magnetic substrate; a receiving groove formed on the magnetic substrate; a dielectric layer formed in the receiving groove and having a coil pattern included therein; and a magnetic layer formed on upper surfaces of the dielectric layer and the magnetic substrate.
Claims13
A common mode filter, comprising:
- a magnetic substrate;
- a receiving groove formed on the magnetic substrate;
- a dielectric layer formed in the receiving groove and having a coil pattern included therein;
- and
- a magnetic layer formed on upper surfaces of the dielectric layer and the magnetic substrate,
- wherein a thickness of the dielectric layer is smaller than a depth of the receiving groove, and
- wherein the magnetic layer covers an inside wall of the receiving groove.
4 more elements
A method of manufacturing a common mode filter, comprising:
- forming a receiving groove on a magnetic substrate;
- forming a dielectric layer in the receiving groove, the dielectric layer having a coil pattern included therein;
- and
- forming a magnetic layer on upper surfaces of the dielectric layer and the magnetic substrate,
- wherein, in the step of forming the dielectric layer in the receiving groove, the dielectric layer is formed in such a way that a thickness thereof is smaller than a depth of the receiving groove.
2 more elements
Dependencies are inferred from the claim text.