SEMICONDUCTOR DEVICE
    4.
    发明申请

    公开(公告)号:US20210296254A1

    公开(公告)日:2021-09-23

    申请号:US17338787

    申请日:2021-06-04

    Abstract: A semiconductor device including a metal pattern on a semiconductor substrate; an etch stop layer covering the metal pattern, the etch stop layer including a sequentially stacked first insulation layer, second insulation layer, and third insulation layer; an interlayer dielectric layer on the etch stop layer; and a contact plug penetrating the interlayer dielectric layer and the etch stop layer, the contact plug being connected to the metal pattern, wherein the first insulation layer includes a first insulating material that contains a metallic element and nitrogen, wherein the second insulation layer includes a second insulating material that contains carbon, and wherein the third insulation layer includes a third insulating material that does not contain a metallic element and carbon.

    SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME

    公开(公告)号:US20220189870A1

    公开(公告)日:2022-06-16

    申请号:US17373900

    申请日:2021-07-13

    Abstract: A semiconductor device including a gate pattern on a substrate and including a gate dielectric layer, a gate electrode, and a gate capping pattern that are sequentially stacked; a gate spacer on a sidewall of the gate pattern; a source/drain pattern in the substrate; a contact pad on the source/drain pattern, a source/drain contact on the contact pad; and a buried dielectric pattern between the gate spacer and the source/drain contact, wherein the gate spacer includes a first segment between the gate electrode and the source/drain pattern; a second segment that extends from the first segment and between the gate electrode and the source/drain contact; and a third segment on the second segment, the buried dielectric pattern is between the third segment and the source/drain contact, and is absent between the first segment and the contact pad and is absent between the second segment and the source/drain contact.

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