FLIP-CHIP BUMPING METAL LAYER AND BUMP STRUCTURE

    公开(公告)号:US20240371806A1

    公开(公告)日:2024-11-07

    申请号:US18313020

    申请日:2023-05-05

    Abstract: Disclosed are techniques for integrated circuit device. In an aspect, an integrated circuit device includes a metallization structure that includes a top metal layer structure; a passivation layer on the metallization structure; a bump structure disposed on the first bump line structure; and a first polymer protection layer. The passivation layer may include one or more first openings. The first bump line structure may include one or more first extended portions respectively extending toward the top metal layer structure through the one or more first openings. The bump structure may be electrically coupled to the first bump line structure. The first polymer protection layer may be on the passivation layer, on a portion of the first bump line structure, and in contact with a side surface of the first bump line structure.

    INTEGRATED DEVICE COMPRISING PILLAR INTERCONNECTS WITH VARIABLE SHAPES

    公开(公告)号:US20230082120A1

    公开(公告)日:2023-03-16

    申请号:US17476373

    申请日:2021-09-15

    Abstract: A package comprising a substrate and an integrated device coupled to the substrate through a plurality of pillar interconnects and a plurality of solder interconnects. The plurality of pillar interconnects comprises a first pillar interconnect. The first pillar interconnect comprises a first pillar interconnect portion comprising a first width and a second pillar interconnect portion comprising a second width that is different than the first width.

    INTEGRATED DEVICE COMPRISING PILLAR INTERCONNECT WITH CAVITY

    公开(公告)号:US20230057439A1

    公开(公告)日:2023-02-23

    申请号:US17409334

    申请日:2021-08-23

    Abstract: A package comprising a substrate and an integrated device coupled to the substrate through a plurality of pillar interconnects and a plurality of solder interconnects. The plurality of pillar interconnects includes a first pillar interconnect comprising a first cavity. The plurality of solder interconnects comprises a first solder interconnect located in the first cavity of the first pillar interconnect. A planar cross section that extends through the first cavity of the first pillar interconnect may comprise an O shape. The first pillar interconnect comprises a first pillar interconnect portion comprising a first width; and a second pillar interconnect portion comprising a second width that is different than the first width.

    THERMAL COMPRESSION FLIP CHIP BUMP
    15.
    发明申请

    公开(公告)号:US20210210449A1

    公开(公告)日:2021-07-08

    申请号:US17027316

    申请日:2020-09-21

    Abstract: A thermal compression flip chip (TCFC) bump may be used for high performance products that benefit from a fine pitch. In one example, a new TCFC bump structure adds a metal pad underneath the TCFC copper pillar bump to cover the exposed aluminum bump pad. This new structure prevents the pad from corroding and reduces mechanical stress to the pad and underlying silicon dielectric layers enabling better quality and reliability and further bump size reduction. For example, a flip chip connection may include a substrate; a metal pad on a contact side of the substrate and a first passivation layer on the contact side of the substrate to protect the metal pad from corrosion.

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