3D SEMICONDUCTOR DEVICE AND STRUCTURE INCLUDING POWER DISTRIBUTION GRIDS

    公开(公告)号:US20230386890A1

    公开(公告)日:2023-11-30

    申请号:US18228907

    申请日:2023-08-01

    CPC classification number: H01L21/743

    Abstract: A 3D device includes a first level including a first single crystal layer with control circuitry, where the control circuitry includes first single crystal transistors; a first metal layer atop first single crystal layer; a second metal layer atop the first metal layer; a third metal layer atop the second metal layer; second level (includes a plurality of second transistors, including metal gate) atop the third metal layer; a fourth metal layer above the one second level; a fifth metal layer atop the fourth metal layer, where the second level includes at least one first oxide layer overlaid by a transistor layer and then overlaid by a second oxide layer; a global power distribution grid including the fifth metal layer; a local power distribution grid, the thickness of the fifth metal layer is at least 50% greater than the thickness of the second metal layer, a layer deposited by ALD.

    Automation methods for 3D integrated circuits and devices

    公开(公告)号:US11720736B2

    公开(公告)日:2023-08-08

    申请号:US18111567

    申请日:2023-02-18

    CPC classification number: G06F30/392 G06F30/394

    Abstract: A method of designing a 3D Integrated Circuit, the method including: partitioning at least one design into at least two levels, a first level and a second level; providing placement data of the second level; performing a placement of the first level using a placer executed by a computer, where the placement of the first level is based on the placement data, where the placer is part of a Computer Aided Design (CAD) tool, and where the first level includes first routing layers; and performing a routing of the first level by routing layers using a router executed by a computer, where the router is a part of the Computer Aided Design (CAD) tool or a part of another CAD tool.

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