Wireless charging coil apparatus
OwnerMing Chung Tsanginventor
Life of this patent
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Abstract
A wireless charging coil apparatus is provided. In one embodiment, the apparatus comprises a substrate; a wireless charging coil disposed on said substrate, said wireless charging coil comprising a coil section and a connection terminal; wherein said connection terminal comprises an enlarged end and a connection hole, said enlarged end having an outer width and said connection hole having an inner width, said inner width being less than said outer width, said substrate having an etched portion partially exposing said connection terminal on a bottom side. The apparatus of the present invention reduces the overall thickness thereof, while also maintaining a high operating performance, having good cooling performance and provides a robust connection.
Claims12
A wireless charging coil apparatus comprising:
- a substrate;
- a wireless charging coil disposed on said substrate, said wireless charging coil comprising a coil section and a connection terminal;
- wherein said connection terminal comprises an enlarged end and a connection hole, said enlarged end having an outer width and said connection hole having an inner width, said inner width being less than said outer width, said substrate having an etched portion partially exposing said connection terminal on a bottom side, wherein said etched portion comprises a through hole having a width greater than said inner width of said connection hole and less than said outer width of said enlarged end.
A wireless charging coil apparatus comprising:
- a substrate;
- a wireless charging coil disposed on said substrate, said wireless charging coil comprising a coil section and a connection terminal;
- wherein said connection terminal comprises an enlarged end and a connection hole, said enlarged end having an outer width and said connection hole having an inner width, said inner width being less than said outer width, said substrate having an etched portion partially exposing said connection terminal on a bottom side, wherein the etched portion comprises a slit having a width greater than said inner width of said connection hole and less than said outer width of said enlarged end, said slit extending to an edge of said substrate.
Dependencies are inferred from the claim text.