Luxshare Electronic Technology (Kunshan) Ltd.

Xiaolei Zhou

Peng Liu

Wenbin Kang

Provided are a semiconductor encapsulation structure and an encapsulation method. The structure includes a circuit board, which includes at least one electromagnetic shield area and a non-electromagnetic shield area located on one side of the electromagnetic shield area, where the circuit board internally includes a number N of metal line layers stacked in sequence and insulating layers located between adjacent metal line layers; a non-shield module and a shield module, where the non-shield module is located within the non-electromagnetic shield area, and the shield module is located within the electromagnetic shield area; a thin film encapsulation layer, located on a side of the circuit board adjacent to the first surface, where the thin film encapsulation layer covers the non-electromagnetic shield area and the electromagnetic shield area; an electromagnetic shield structure, which covers the electromagnetic shield area and forms the closed space with the circuit board.

Semiconductor encapsulation structure and encapsulation method

The invention provides a package structure, comprising: a substrate disposed with a solid grounded copper layer; at least two radio frequency chip modules disposed on the substrate; a plastic encapsulation disposed on the substrate, covered on a surface of the substrate, and coating the at least two radio frequency chip modules therein; a groove located between the adjacent two radio frequency chip modules, and penetrating an upper surface and a lower surface of the plastic encapsulation; a solder filling body filled in the groove, wherein an upper surface of the solder filling body is flushed with the upper surface of the plastic encapsulation; and a shielding layer covered on the upper surface and lateral surfaces of the plastic encapsulation, an upper surface of the solder filling body and lateral surfaces of the substrate; wherein a position of the solid grounded copper layer corresponds to a position of the groove, and makes contact with the solder filling body in the groove.

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Kunshan, China

Xiaolei Zhou