Electromagnetic induction module for wireless charging element and method of manufacturing the same
AssigneeSamsung Electro-Mechanics Co., Ltd.
InventorsChang Ryul JUNG, Dong Hyeok CHOI, Sung Yong AN
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Abstract
There is provided an electromagnetic induction module for a wireless charging element, including a laminate formed by laminating magnetic sheets, each magnetic sheet including magnetic particles and having a groove portion of a coil pattern formed in one surface thereof, a coil disposed in the groove portion and having a spiral shape and 2 or more turns, and a cover sheet laminated on an upper surface, a lower surface, or both surfaces of the laminate.
Claims13
An electromagnetic induction module for a wireless charging element, comprising:
- a laminate formed by laminating magnetic sheets, each magnetic sheet including magnetic particles and having a groove portion of a coil pattern formed in one surface thereof;
- a coil disposed in the groove portion and having a spiral shape and 2 or more turns;
- and
- a cover sheet laminated on an upper surface, a lower surface, or both surfaces of the laminate.
A method of manufacturing an electromagnetic induction module for a wireless charging element, the method comprising:
- preparing a plurality of magnetic green sheets using a paste including magnetic particles;
- forming a groove portion of a coil pattern in one surface of the respective magnetic green sheets;
- forming magnetic sheets by sintering the magnetic green sheets;
- disposing a coil having a spiral shape and 2 or more turns in the groove portion;
- forming conductive vias electrically connecting the coil disposed in the respective different magnetic sheets;
- forming a laminate by laminating the magnetic sheets;
- and
- laminating a cover sheet on an upper surface, a lower surface, or both surfaces of the laminate.
Dependencies are inferred from the claim text.