LITHOGRAPHY MASK HAVING OVERLAY MARK AND RELATED METHOD

    公开(公告)号:US20250060660A1

    公开(公告)日:2025-02-20

    申请号:US18403574

    申请日:2024-01-03

    Abstract: A method includes: generating a designed mask overlay mark associated with an actual mask overlay mark to be formed in a mask; forming the actual mask overlay mark in the mask based on the designed mask overlay mark, the actual mask overlay mark including a plurality of overlay patterns; forming a device feature pattern adjacent to the actual mask overlay mark; forming an alignment of the mask by a mask metrology apparatus including a light source having a wavelength and a numerical aperture, wherein a pitch between adjacent two of the plurality of overlay patterns does not exceed the wavelength divided by twice the numerical aperture; and forming a pattern in a layer of a wafer by transferring the device feature pattern while the mask is under the alignment.

    DOUBLE RULE INTEGRATED CIRCUIT LAYOUTS FOR A DUAL TRANSMISSION GATE

    公开(公告)号:US20220359512A1

    公开(公告)日:2022-11-10

    申请号:US17875060

    申请日:2022-07-27

    Abstract: Exemplary embodiments for an exemplary dual transmission gate and various exemplary integrated circuit layouts for the exemplary dual transmission gate are disclosed. These exemplary integrated circuit layouts represent double-height, also referred to as double rule, integrated circuit layouts. These double rule integrated circuit layouts include a first group of rows from among multiple rows of an electronic device design real estate and a second group of rows from among the multiple rows of the electronic device design real estate to accommodate a first metal layer of a semiconductor stack. The first group of rows can include a first pair of complementary metal-oxide-semiconductor field-effect (CMOS) transistors, such as a first p-type metal-oxide-semiconductor field-effect (PMOS) transistor and a first n-type metal-oxide-semiconductor field-effect (NMOS) transistor, and the second group of rows can include a second pair of CMOS transistors, such as a second PMOS transistor and a second NMOS transistor. These exemplary integrated circuit layouts disclose various configurations and arrangements of various geometric shapes that are situated within an oxide diffusion (OD) layer, a polysilicon layer, a metal diffusion (MD) layer, the first metal layer, and/or a second metal layer of a semiconductor stack. In the exemplary embodiments to follow, the various geometric shapes within the first metal layer are situated within the multiple rows of the electronic device design real estate and the various geometric shapes within the OD layer, the polysilicon layer, the MD layer, and/or the second metal layer are situated within multiple columns of the electronic device design real estate.

    SEMICONDUCTOR DEVICE WITH ISOLATION LAYER UNDER CONTACT

    公开(公告)号:US20240395623A1

    公开(公告)日:2024-11-28

    申请号:US18790968

    申请日:2024-07-31

    Abstract: A device includes first and second transistors, a conductive contact, a dielectric layer, and a conductive via. The first transistor includes a first gate, a first source/drain and a second source/drain at opposite sides of the first gate. The second transistor includes a second gate, a third source/drain and a fourth source/drain at opposite sides of the second gate. The conductive contact extends across the first source/drain and the third source/drain along a longitudinal direction of the first gate. The dielectric layer spaces apart the conductive contact from the first source/drain. The conductive via is in contact with the conductive contact. The conductive via vertically overlaps with the conductive contact and the dielectric layer.

    LAYOUT DESIGNS OF INTEGRATED CIRCUITS HAVING BACKSIDE ROUTING TRACKS

    公开(公告)号:US20220020738A1

    公开(公告)日:2022-01-20

    申请号:US16933570

    申请日:2020-07-20

    Abstract: An integrated circuit includes a semiconductor substrate, transistors on the semiconductor, horizontal routing tracks extending in a first direction in a first metal layer, and one or more backside routing tracks extending in the first direction in a backside metal layer. Each transistor has a gate terminal, a source terminal, and a drain terminal. A first transistor has a first terminal, a second terminal, and a third terminal. A first horizontal routing track of the horizontal routing tracks is conductively connected to the first terminal of the first transistor through a via connector. A first backside routing track is conductively connected to the second terminal of the first transistor through a backside via connector. The backside metal layer and the first metal layer are formed at opposite sides of the semiconductor substrate.

    SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF

    公开(公告)号:US20210265217A1

    公开(公告)日:2021-08-26

    申请号:US16800834

    申请日:2020-02-25

    Abstract: A device includes a first transistor, a second transistor, and a contact. The first transistor includes a first source/drain, a second source/drain, and a first gate between the first and second source/drains. The second transistor includes a third source/drain, a fourth source/drain, and a second gate between the third and fourth source/drains. The contact covers the first source/drain of the first transistor and the third source/drain of the third transistor. The first contact is electrically connected to the first source/drain of the first transistor and electrically isolated from the third source/drain of the third transistor.

    SEMICONDUCTOR DEVICES WITH BACKSIDE POWER DISTRIBUTION NETWORK AND FRONTSIDE THROUGH SILICON VIA

    公开(公告)号:US20210118805A1

    公开(公告)日:2021-04-22

    申请号:US16656715

    申请日:2019-10-18

    Abstract: The present disclosure describes a semiconductor structure having a power distribution network including first and second conductive lines. A substrate includes a first surface that is in contact with the power distribution network. A plurality of backside vias are in the substrate and electrically coupled to the first conductive line. A via rail is on a second surface of the substrate that opposes the first surface. A first interlayer dielectric is on the via rail and on the substrate. A second interlayer dielectric is on the first interlayer dielectric. A third interlayer dielectric is on the second interlayer dielectric. First and top interconnect layers are in the second and third interlayer dielectrics, respectively. Deep vias are in the third interlayer dielectric and electrically coupled to the via rail. The deep vias are also connected to the first and top interconnect layers. A power supply in/out layer is on the third interlayer dielectric and in contact with the top interconnect layer.

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