3D semiconductor device and structure

    公开(公告)号:US11276687B2

    公开(公告)日:2022-03-15

    申请号:US17472667

    申请日:2021-09-12

    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; a plurality of connection paths, where the plurality of connection paths provide first 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 third layer includes crystalline silicon; and at least one temperature sensor.

    3D MICRO DISPLAY SEMICONDUCTOR DEVICE AND STRUCTURE

    公开(公告)号:US20220013556A1

    公开(公告)日:2022-01-13

    申请号:US17487369

    申请日:2021-09-28

    Abstract: A 3D micro display, the 3D micro display including: a first single crystal layer including a first plurality of light emitting diodes (LEDs); a second single crystal layer including a second plurality of light emitting diodes (LEDs), where the first single crystal layer includes at least ten individual first LED pixels, where the second single crystal layer includes at least ten individual second LED pixels, where the first plurality of light emitting diodes (LEDs) emits a first light with a first wavelength, where the second plurality of light emitting diodes (LEDs) emits a second light with a second wavelength, where the first wavelength and the second wavelength differ by greater than 10 nm; and further including a third single crystal layer including at least one LED driving circuit.

    METHODS TO PROCESS A 3D SEMICONDUCTOR DEVICE AND STRUCTURE

    公开(公告)号:US20210287941A1

    公开(公告)日:2021-09-16

    申请号:US17335081

    申请日:2021-06-01

    Inventor: Zvi Or-Bach

    Abstract: A method to process a 3D device, the method including: providing a first wafer including first transistors and a plurality of first interconnecting metal layers; providing a second wafer; processing the second wafer to form second transistors and a plurality of second interconnecting metal layers; processing further the second wafer with a first singulation process providing a plurality of dies; placing the plurality of dies on top of the first wafer; performing a bonding process to simultaneously bond the plurality of dies to the first wafer thus forming a bonded structure; and processing the bonded structure with a second singulation process providing a plurality of bonded dies, where the bonded structure includes oxide to oxide bonding, and where the second singulation process includes an etch process.

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