CPC B29C 45/14336 (2013.01) [H05K 5/0017 (2013.01); H05K 5/04 (2013.01); B29C 2793/009 (2013.01); B29L 2031/34 (2013.01)] | 5 Claims |
1. An electronic device, comprising:
a front plate;
a back plate facing away from the front plate;
a touch screen display exposed through the front plate;
an outer metal structure surrounding a space between the front plate and the back plate, and formed integrally with the back plate or coupled to the back plate;
an inner metal structure connected with or formed integrally with the outer metal structure, and arranged in the space;
an inner non-metal structure coupled with the outer metal structure and the inner metal structure and arranged in the space;
at least one recess formed in one surface of the inner metal structure; and
a polymer structure formed in the one surface of the inner metal structure by filling the at least one recess with a polymeric material, and connected with or formed integrally with the inner non-metal structure, and comprising a plurality of scales,
wherein the at least one recess is extended to have a repeating pattern comprising at least one of a W-shape, a sawtooth shape, a planar rectangular spiral shape, or a planar circular spiral shape,
wherein the at least one recess comprise a first area and a second area that is disposed closer to an opening than the first area, and
wherein a width of the second area is bigger than a width of the first area.
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