INTEGRATED PLASMA CLEAN AND DIELECTRIC PASSIVATION DEPOSITION PROCESSES

    公开(公告)号:US20250029835A1

    公开(公告)日:2025-01-23

    申请号:US18770960

    申请日:2024-07-12

    Abstract: Exemplary semiconductor processing methods may include performing a treatment operation on a substrate housed within a first processing region of a first semiconductor processing chamber. The methods may include providing a nitrogen-containing precursor to the first processing region. The methods may include forming plasma effluents of the nitrogen-containing precursor. The methods may include contacting the substrate with the plasma effluents of the nitrogen-containing precursor. The contacting may nitride a surface of the substrate. The methods may include transferring the substrate from the first processing region of the first semiconductor processing chamber to a second processing region of a second semiconductor processing chamber. The methods may include providing one or more deposition precursors to the second processing region. The methods may include contacting the substrate with the one or more deposition precursors. The contacting may deposit a layer of dielectric material on the substrate.

    METHOD FOR LCOS DBR MULTILAYER STACK PROTECTION VIA SACRIFICIAL HARDMASK FOR RIE AND CMP PROCESSES

    公开(公告)号:US20220163846A1

    公开(公告)日:2022-05-26

    申请号:US17100422

    申请日:2020-11-20

    Abstract: Processing methods may be performed to forming a pixel material in a semiconductor structure. The methods may include forming a sacrificial hardmask overlying an uppermost layer of an optical stack of the semiconductor structure, the uppermost layer having a thickness. The methods may include forming a via through the sacrificial hardmask in the optical stack by a first etch process unselective to a metal layer of the semiconductor structure. The methods may include filling the via with a fill material, wherein a portion of the fill material extends over the sacrificial hardmask and contacts the metal layer. The methods may include removing a portion of the fill material external to the via by a removal process selective to the fill material. The methods may also include removing the sacrificial hardmask by a second etch process selective to the sacrificial hardmask while maintaining the thickness of the uppermost layer.

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