3D MEMORY DEVICES AND STRUCTURES WITH MEMORY ARRAYS AND METAL LAYERS

    公开(公告)号:US20250098182A1

    公开(公告)日:2025-03-20

    申请号:US18963630

    申请日:2024-11-28

    Abstract: A semiconductor device including: a first level including at least four independently controlled first memory arrays, where the first level includes first transistors; a second level disposed on top of the first level, where the second level includes second memory arrays; and a third level disposed on top of the second level, where the third level includes third transistors, at least one metal layer, and third memory arrays; a fourth level disposed on top of the third level, where the fourth level includes fourth transistors, another at least one metal layer, and is bonded to the third level, where the bonded includes metal-to-metal bonding regions, where the first level includes first filled holes, where the second level includes second filled holes; and a via connection through the second level and the third level, and where the fourth level includes at least one SRAM memory array.

    3D semiconductor device and structure with metal layers

    公开(公告)号:US12100646B2

    公开(公告)日:2024-09-24

    申请号:US18623525

    申请日:2024-04-01

    CPC classification number: H01L23/49844 H01L23/481 H01L27/0688

    Abstract: A semiconductor device including: a first silicon layer including a first single crystal silicon layer; first transistors with a single crystal channel and overlaid by a first metal layer; overlaid by a second metal layer; overlaid by a third metal layer; a second level with second transistors and including a metal gate, and then disposed over the third metal layer; the second level is overlaid by a third level with third transistors; and then overlaid by a fourth metal layer; fourth overlaid by a fifth metal layer; a via disposed through the second level; the device includes at least one temperature sensor; the fifth metal layer average thickness is greater than the third metal layer average thickness by at least 50%; at least one element within at least one of the second transistors has been processed independently of the third transistors.

    3D semiconductor device and structure

    公开(公告)号:US12094829B2

    公开(公告)日:2024-09-17

    申请号:US17384796

    申请日:2021-07-25

    CPC classification number: H01L23/5384 H01L23/5386 H01L25/0657 H01L27/0688

    Abstract: A 3D semiconductor device, the device including: a first level, where the first level includes a first layer, the first layer including first transistors, and where the first level includes a second layer, the second layer including first interconnections; a second level overlaying the first level, where the second level includes a third layer, the third layer including second transistors, and where the second level includes a fourth layer, the fourth layer including second interconnections; and a plurality of connection paths, where the plurality of connection paths provides connections from a plurality of the first transistors to a plurality of the second transistors, where the second level is bonded to the first level, where the bonded includes oxide to oxide bond regions, where the bonded includes metal to metal bond regions, and where the second level includes at least one voltage regulator.

    3D SEMICONDUCTOR DEVICES AND STRUCTURES WITH ELECTRONIC CIRCUIT UNITS

    公开(公告)号:US20240297169A1

    公开(公告)日:2024-09-05

    申请号:US18662468

    申请日:2024-05-13

    CPC classification number: H01L27/0688

    Abstract: A 3D device including: a first level including first transistors and a first interconnect; a second level including second transistors and overlaying the first level; at least four electronic circuit units (ECUs); a redundancy circuit, where each of the at least four ECUs includes a first circuit, which includes a portion of the first transistors, where each of the at least four ECUs includes a second circuit, the second circuit including some second transistors, where each of the at least four ECUs includes a vertical connectivity structure which includes pillars, where the pillars provide electrical connections between the first circuit and the second circuit, where each of the at least four ECUs includes at least one memory control circuit and at least one memory array, where the second level is bonded to the first level, and the bonded includes oxide to oxide and metal to metal bonding regions.

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