Unidirectional ESD Protection with Lateral and Vertical Device

    公开(公告)号:US20230080466A1

    公开(公告)日:2023-03-16

    申请号:US17941684

    申请日:2022-09-09

    Abstract: A semiconductor device includes a semiconductor body, first and second contact pads disposed on an upper surface of the semiconductor body, a lateral ESD protection device formed in the semiconductor body, and a vertical ESD protection device formed in the semiconductor body, wherein the lateral ESD protection device and the vertical ESD protection device together form a unidirectional device between the first and second contact pads, and wherein the lateral ESD protection device is formed in a first portion of the semiconductor body that is laterally electrically isolated from a vertical current path of the vertical ESD protection device.

    Rectifier Device with Minimized Lateral Coupling

    公开(公告)号:US20240088130A1

    公开(公告)日:2024-03-14

    申请号:US17941901

    申请日:2022-09-09

    CPC classification number: H01L27/0248 H01L23/528 H01L23/5226

    Abstract: A semiconductor device includes a semiconductor body having an upper surface, a group of first upper-level metal fingers and second upper-level metal fingers that are arranged alternatingly with one another, wherein each of the first upper-level metal fingers is electrically connected to the semiconductor body by the first lower-level conductive fingers, wherein each of the second upper-level metal fingers is electrically connected to the semiconductor body by the second lower-level conductive fingers, wherein the group of first lower-level conductive fingers and second lower-level conductive fingers defines a connection area over the upper surface, and wherein in the connection area the first upper-level metal fingers are at least partially non-overlapping with the second upper-level metal fingers.

Patent Agency Ranking