Patent ID: 9264014
Filing Date: 2016-02-16
CPC Classification: H01L,H03H,H05K,Y10T

Claim Text:
1. A package structure, comprising: a printed circuit board (PCB) for supporting electronic elements assembled thereon; a duplexer comprising a transmission filter and a reception filter each electrically connected with the PCB; a first dam located on a surface of the PCB, wherein the first dam and the PCB cooperatively form a first receptacle, and the first receptacle has the transmission filter received therein; a second dam located on the surface of the PCB, wherein the second dam and the PCB cooperatively form a second receptacle, and the second receptacle has the reception filter received therein; and a cover covering the first receptacle and the second receptacle and thereby sealing the transmission filter and the reception filter in the first and second receptacles; wherein a first gap is formed between the transmission filter and the first dam, a second gap is formed between the reception filter and the second dam, the first dam comprises four first sidewalls, the second dam comprises four second sidewalls, and one of the first sidewalls and one of the second sidewalls cooperatively form a single monolithic common wall; wherein an inner surface of each of the first sidewalls of the first dam is in a shape of an inclined plane, and an inner surface of each of the second sidewalls of the second dam is in a shape of an inclined plane.