Method of fabricating semiconductor package

    公开(公告)号:US10741518B2

    公开(公告)日:2020-08-11

    申请号:US16698117

    申请日:2019-11-27

    Abstract: A semiconductor package includes: a redistribution substrate; a semiconductor chip on the redistribution substrate; and an external terminal on a bottom surface of the redistribution substrate, wherein the redistribution substrate comprises: a first insulating layer including a first opening; a second insulating layer on the first insulating layer and including a second opening, wherein the second opening is positioned in the first opening in a plan view; a first barrier metal layer disposed along a sidewall of the first opening and along a sidewall of the second opening; a first redistribution conductive pattern on the first barrier metal layer; a third insulating layer on a bottom surface of the first insulating layer; and a pad penetrating the third insulating layer and electrically connecting to the first redistribution conductive pattern, wherein the external terminal is provided on the pad, wherein the second insulating layer at least partially covers a chip pad of the semiconductor chip, and the second opening at least partially exposes the chip pad, wherein, inside the second insulating layer, the first barrier metal layer is in contact with the chip pad through the second opening, and wherein the first redistribution conductive pattern has a surface roughness including protrusions extending in a range of from about 0.01 μm to about 0.5 μm, and the first insulating layer has a surface roughness smaller than the surface roughness of the first redistribution conductive pattern.

    Semiconductor package
    22.
    发明授权

    公开(公告)号:US12288780B2

    公开(公告)日:2025-04-29

    申请号:US17824194

    申请日:2022-05-25

    Abstract: A semiconductor package including: a package substrate; an interposer on the package substrate; a chip stack on the interposer, the chip stack including a plurality of first semiconductor chips that are stacked in a first direction; a second semiconductor chip on the interposer and spaced apart from the chip stack in a second direction intersecting the first direction; and a first signal pad, a second signal pad, and a power/ground pad on a top surface of the interposer, wherein the chip stack is mounted on the first signal pad, wherein the second semiconductor chip is mounted on the second signal pad, wherein the chip stack and the second semiconductor chip are connected to the power/ground pad, and wherein the power/ground pad overlaps a portion of the chip stack and a portion of the second semiconductor chip.

    Semiconductor package
    23.
    发明授权

    公开(公告)号:US12237256B2

    公开(公告)日:2025-02-25

    申请号:US18183062

    申请日:2023-03-13

    Abstract: A semiconductor package includes a redistribution substrate and a semiconductor chip thereon. The redistribution substrate includes a ground under-bump pattern, signal under-bump patterns laterally spaced apart from the ground under-bump pattern, first signal line patterns disposed on the signal under-bump patterns and coupled to corresponding signal under-bump patterns, and a first ground pattern coupled to the ground under-bump pattern and laterally spaced apart from the first signal line pattern. Each of the signal and ground under-bump patterns includes a first part and a second part formed on the first part and that is wider than the first part. The second part of the ground under-bump pattern is wider than the second part of the signal under-bump pattern. The ground under-bump pattern vertically overlaps the first signal line patterns. The first ground pattern does not vertically overlap the signal under-bump patterns.

    Semiconductor package
    27.
    发明授权

    公开(公告)号:US11804427B2

    公开(公告)日:2023-10-31

    申请号:US17177305

    申请日:2021-02-17

    Abstract: A semiconductor package may include a redistribution substrate, a connection terminal, and a semiconductor chip sequentially stacked. The redistribution substrate may include an insulating layer, a plurality of redistribution patterns, which are vertically stacked in the insulating layer, and each of which includes interconnection and via portions, and a bonding pad on the interconnection portion of the topmost redistribution pattern. The topmost redistribution pattern and the bonding pad may include different metallic materials. The bonding pad may have first and second surfaces opposite to each other. The first surface of the bonding pad may be in contact with a top surface of the interconnection portion of the topmost redistribution pattern. A portion of the second surface of the bonding pad may be in contact with the connection terminal. The insulating layer may be extended to be in contact with the remaining portion of the second surface.

    Semiconductor package
    29.
    发明授权

    公开(公告)号:US11605584B2

    公开(公告)日:2023-03-14

    申请号:US17329256

    申请日:2021-05-25

    Abstract: A semiconductor package includes a redistribution substrate and a semiconductor chip thereon. The redistribution substrate includes a ground under-bump pattern, signal under-bump patterns laterally spaced apart from the ground under-bump pattern, first signal line patterns disposed on the signal under-bump patterns and coupled to corresponding signal under-bump patterns, and a first ground pattern coupled to the ground under-bump pattern and laterally spaced apart from the first signal line pattern. Each of the signal and ground under-bump patterns includes a first part and a second part formed on the first part and that is wider than the first part. The second part of the ground under-bump pattern is wider than the second part of the signal under-bump pattern. The ground under-bump pattern vertically overlaps the first signal line patterns. The first ground pattern does not vertically overlap the signal under-bump patterns.

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