SUPERCONDUCTING BUMP BONDS
    2.
    发明申请

    公开(公告)号:US20200006621A1

    公开(公告)日:2020-01-02

    申请号:US16557412

    申请日:2019-08-30

    申请人: Google LLC

    摘要: A device includes a first chip having a first circuit element, a first interconnect pad in electrical contact with the first circuit element, and a barrier layer on the first interconnect pad, a superconducting bump bond on the barrier layer, and a second chip joined to the first chip by the superconducting bump bond, the second chip having a first quantum circuit element, in which the superconducting bump bond provides an electrical connection between the first circuit element and the first quantum circuit element.

    INTEGRATING CIRCUIT ELEMENTS IN A STACKED QUANTUM COMPUTING DEVICE

    公开(公告)号:US20230084122A1

    公开(公告)日:2023-03-16

    申请号:US17989833

    申请日:2022-11-18

    申请人: Google LLC

    摘要: A stacked quantum computing device including: a first chip including a superconducting qubit, where the superconducting qubit includes a superconducting quantum interference device (SQUID) region, a control region, and a readout region, and a second chip bonded to the first chip, where the second chip includes a first control element overlapping with the SQUID region, a second control element displaced laterally from the control region and without overlapping the control region, and a readout device overlapping the readout region.

    Integrating circuit elements in a stacked quantum computing device

    公开(公告)号:US11508781B2

    公开(公告)日:2022-11-22

    申请号:US17178853

    申请日:2021-02-18

    申请人: Google LLC

    摘要: A stacked quantum computing device including: a first chip including a superconducting qubit, where the superconducting qubit includes a superconducting quantum interference device (SQUID) region, a control region, and a readout region, and a second chip bonded to the first chip, where the second chip includes a first control element overlapping with the SQUID region, a second control element displaced laterally from the control region and without overlapping the control region, and a readout device overlapping the readout region.

    Superconducting bump bonds
    5.
    发明授权

    公开(公告)号:US11133450B2

    公开(公告)日:2021-09-28

    申请号:US16557378

    申请日:2019-08-30

    申请人: Google LLC

    摘要: A device includes a first chip having a first circuit element, a first interconnect pad in electrical contact with the first circuit element, and a barrier layer on the first interconnect pad, a superconducting bump bond on the barrier layer, and a second chip joined to the first chip by the superconducting bump bond, the second chip having a first quantum circuit element, in which the superconducting bump bond provides an electrical connection between the first circuit element and the first quantum circuit element.

    INTEGRATING CIRCUIT ELEMENTS IN A STACKED QUANTUM COMPUTING DEVICE

    公开(公告)号:US20210202573A1

    公开(公告)日:2021-07-01

    申请号:US17178853

    申请日:2021-02-18

    申请人: Google LLC

    摘要: A stacked quantum computing device including: a first chip including a superconducting qubit, where the superconducting qubit includes a superconducting quantum interference device (SQUID) region, a control region, and a readout region, and a second chip bonded to the first chip, where the second chip includes a first control element overlapping with the SQUID region, a second control element displaced laterally from the control region and without overlapping the control region, and a readout device overlapping the readout region.

    INTEGRATING CIRCUIT ELEMENTS IN A STACKED QUANTUM COMPUTING DEVICE

    公开(公告)号:US20230004847A1

    公开(公告)日:2023-01-05

    申请号:US17902695

    申请日:2022-09-02

    申请人: Google LLC

    摘要: A stacked quantum computing device including a first chip that includes a first dielectric substrate and a superconducting qubit on the first dielectric substrate, and a second chip that is bonded to the first chip and includes a second dielectric substrate, a qubit readout element on the second dielectric substrate, a control wire on the second dielectric substrate, a dielectric layer covering the control wire, and a shielding layer covering the dielectric layer.

    Integrating circuit elements in a stacked quantum computing device

    公开(公告)号:US11436516B2

    公开(公告)日:2022-09-06

    申请号:US16493400

    申请日:2017-12-15

    申请人: Google LLC

    摘要: A stacked quantum computing device including a first chip that includes a first dielectric substrate and a superconducting qubit on the first dielectric substrate, and a second chip that is bonded to the first chip and includes a second dielectric substrate, a qubit readout element on the second dielectric substrate, a control wire on the second dielectric substrate, a dielectric layer covering the control wire, and a shielding layer covering the dielectric layer.

    INTEGRATING CIRCUIT ELEMENTS IN A STACKED QUANTUM COMPUTING DEVICE

    公开(公告)号:US20200012961A1

    公开(公告)日:2020-01-09

    申请号:US16493400

    申请日:2017-12-15

    申请人: Google LLC

    摘要: A stacked quantum computing device including a first chip that includes a first dielectric substrate and a superconducting qubit on the first dielectric substrate, and a second chip that is bonded to the first chip and includes a second dielectric substrate, a qubit readout element on the second dielectric substrate, a control wire on the second dielectric substrate, a dielectric layer covering the control wire, and a shielding layer covering the dielectric layer.

    Superconducting bump bonds
    10.
    发明授权

    公开(公告)号:US10468579B2

    公开(公告)日:2019-11-05

    申请号:US16062064

    申请日:2015-12-30

    申请人: Google LLC

    摘要: A device (100) includes a first chip (104) having a first circuit element (112), a first interconnect pad (116) in electrical contact (118) with the first circuit element, and a barrier layer (120) on the first interconnect pad, a superconducting bump bond (106) on the barrier layer, and a second chip (102) joined to the first chip by the superconducting bump bond, the second chip having a quantum circuit element (108), in which the superconducting bump bond provides an electrical connection between the first circuit element and the quantum circuit element.