INTEGRATED CIRCUIT STRUCTURE
    48.
    发明申请

    公开(公告)号:US20250089319A1

    公开(公告)日:2025-03-13

    申请号:US18962876

    申请日:2024-11-27

    Inventor: Jhon-Jhy LIAW

    Abstract: An integrated circuit (IC) structure includes first and second semiconductor channel patterns extending over a substrate. From a plan view, the second semiconductor channel pattern has a longitudinal axis aligned with a longitudinal axis of the first semiconductor channel pattern, the first semiconductor channel pattern has a first longitudinal side and a second longitudinal side separated from the first longitudinal side by a first distance, and the second channel pattern has a third longitudinal side and a fourth longitudinal side separated from the third longitudinal side by a second distance less than the first distance.

    CHANNEL REGIONS IN STACKED TRANSISTORS AND METHODS OF FORMING THE SAME

    公开(公告)号:US20250089313A1

    公开(公告)日:2025-03-13

    申请号:US18463466

    申请日:2023-09-08

    Abstract: A method includes: epitaxially growing a first multi-layer stack over a first substrate; epitaxially growing a second multi-layer stack over a second substrate; and bonding the first multi-layer stack to the second multi-layer stack. The first substrate and the second substrate have different crystalline orientations. The method further includes patterning the first multi-layer stack and the second multi-layer stack to form a fin, the fin comprising a plurality of lower nanostructures alternatingly stacked with first dummy nanostructures and a plurality of upper nanostructures alternatingly stacked with second dummy nanostructure; replacing the first dummy nanostructures with a first gate stack, the first gate stack surrounding each of the plurality of lower nanostructures; and replacing the second dummy nanostructures with a second gate stack, the second gate stack surrounding each of the plurality of upper nanostructures.

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