SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME

    公开(公告)号:SG10201804930VA

    公开(公告)日:2019-04-29

    申请号:SG10201804930V

    申请日:2018-06-08

    Abstract: A method for manufacturing a semiconductor device and a semiconductor device, the method including forming an active pattern on a substrate such that the active pattern includes sacrificial patterns and semiconductor patterns alternately and repeatedly stacked on the substrate; and forming first spacer patterns at both sides of each of the sacrificial patterns by performing an oxidation process, wherein the first spacer patterns correspond to oxidized portions of each of the sacrificial patterns, wherein the sacrificial patterns include a first semiconductor material containing impurities, wherein the semiconductor patterns include a second semiconductor material different from the first semiconductor material, and wherein the impurities include an element different from semiconductor elements of the first semiconductor material and the second semiconductor material. FIG. 7

    SEMICONDUCTOR DEVICE
    3.
    发明申请

    公开(公告)号:US20220352309A1

    公开(公告)日:2022-11-03

    申请号:US17714695

    申请日:2022-04-06

    Abstract: A semiconductor device includes a substrate having an active region extending in a first direction; a gate structure disposed on the substrate, intersecting the active region, and extending in a second direction; channel layers disposed on the active region to be spaced apart from each other in a third direction, perpendicular to an upper surface of the substrate, and to be surrounded by the gate structure; source/drain regions disposed on both sides of the gate structure and connected to the channel layers; air gap regions located between the source/drain regions and the active region and spaced apart from each other in the third direction; and semiconductor layers alternately disposed with the air gap regions in the third direction and defining the air gap regions, wherein lower ends of the source/drain regions are located on a level lower than an uppermost air gap region.

    SEMICONDUCTOR DEVICE
    6.
    发明申请

    公开(公告)号:US20220416086A1

    公开(公告)日:2022-12-29

    申请号:US17711914

    申请日:2022-04-01

    Abstract: A semiconductor device includes; a first fin vertically protruding from a substrate and extending in a first horizontal direction, a second fin vertically protruding from the substrate, an isolation layer contacting side surfaces of the first fin and the second fin, a first lower barrier layer on the first fin, a second lower barrier layer on the second fin, source/drain regions spaced apart in the first horizontal direction on the first lower barrier layer, channel layers disposed between the source/drain regions and vertically spaced apart on the first barrier layer, a gate structure intersecting the first lower barrier layer, surrounding each of the channel layers, and extending in a second horizontal direction, an upper barrier layer on the second lower barrier layer, and first semiconductor layers and second semiconductor layers stacked on the upper barrier layer.

    SEMICONDUCTOR DEVICE
    8.
    发明申请

    公开(公告)号:US20240413086A1

    公开(公告)日:2024-12-12

    申请号:US18387997

    申请日:2023-11-08

    Abstract: Provided is a semiconductor device including a lower pattern layer including a first semiconductor material; a first conductivity-type doped pattern layer disposed on the lower pattern layer and including a semiconductor material doped with a first conductivity-type impurity; a source/drain pattern disposed on the first conductivity-type doped pattern layer and including a semiconductor material doped with a second conductivity-type impurity different from the first conductivity-type impurity; a channel pattern including semiconductor patterns connected between the source/drain patterns, stacked apart from each other, and including a second semiconductor material different from the first semiconductor material; and a gate pattern disposed on the first conductivity-type doped pattern layer and between the source/drain patterns, and surrounding the channel pattern.

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