FAN-OUT TYPE PACKAGE PREPARATION METHOD OF FAN-OUT TYPE PACKAGE

    公开(公告)号:US20230245944A1

    公开(公告)日:2023-08-03

    申请号:US17635437

    申请日:2021-07-28

    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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