CPC H01Q 1/38 (2013.01) [H01Q 1/2283 (2013.01); H01Q 1/2291 (2013.01); H01Q 1/242 (2013.01); H01Q 1/36 (2013.01); H01Q 9/0407 (2013.01); H05K 1/0224 (2013.01); H05K 1/115 (2013.01); H05K 3/42 (2013.01); H05K 3/4697 (2013.01); H05K 3/0026 (2013.01); H05K 3/027 (2013.01); H05K 3/06 (2013.01); H05K 3/4602 (2013.01); H05K 2201/09063 (2013.01); H05K 2201/10098 (2013.01); H05K 2201/10734 (2013.01); H05K 2203/107 (2013.01); H05K 2203/1178 (2013.01)] | 20 Claims |
1. A closed cavity printed circuit board comprising:
a core layer;
a first metal layer and a second metal layer; and
a first adhesive layer and a second adhesive layer, the first adhesive layer and the first metal layer forming a top cover attached to a top surface of the core layer and the second adhesive layer and the second metal layer forming a bottom cover attached to a bottom surface of the core layer, a cavity of a closed cavity antenna having walls defined by the bottom cover, the top cover, and a hole extending through a thickness of the core layer.
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