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公开(公告)号:US20230245944A1
公开(公告)日:2023-08-03
申请号:US17635437
申请日:2021-07-28
Inventor: Yingqiang Yan , Chuan Hu , Zhikuan Chen , Zhitao Chen
IPC: H01L23/367 , H01L23/29 , H01L21/56
CPC classification number: H01L23/3675 , H01L23/29 , H01L21/56
Abstract: A fan-out type package and a preparation method of the fan-out type package are provided. The fan-out type package has one or more chips having same or different functions and each having a back surface mounted in a chip mounting region of the heat dissipation sheet via the adhesive material layer, and a front surface covered by a temporary protection material; an adhesive material layer; a heat dissipation sheet; an encapsulation material layer formed by making an encapsulation material flow into and fill a gap between the temporary protection material and the heat dissipation sheet and/or cover a side of the heat dissipation sheet opposite to a side thereof mounted with the chip, and then removing the temporary protection material; a packaging circuit grown on the front surface of the chip, the encapsulation material, and the heat dissipation sheet; and a packaging circuit protection layer protecting the packaging circuit.
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公开(公告)号:US12184253B2
公开(公告)日:2024-12-31
申请号:US18038371
申请日:2021-07-27
Inventor: Yingqiang Yan , Chuan Hu , Xun Xiang , Wei Zheng , Zhitao Chen , Zhikuan Chen
IPC: H03H1/00
Abstract: A filter radio frequency module packaging structure and a method for manufacturing same is disclosed. A first filter chip of the filter radio frequency module packaging structure comprises a chip main body and a wall structure. The wall structure, the functional surface, and a substrate together define a closed cavity, or the wall structure and the functional surface together define a closed cavity. An encapsulation material wraps the first filter chip.
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