SELECTIVE LINER DEPOSITION FOR VIA RESISTANCE REDUCTION

    公开(公告)号:US20240420997A1

    公开(公告)日:2024-12-19

    申请号:US18211502

    申请日:2023-06-19

    Abstract: Methods of forming devices comprise forming a dielectric material on a substrate, the dielectric layer comprising at least one feature defining a gap including sidewalls and a bottom. The methods include passivating a metal material at a bottom of the gap with an alkyl reactant to form a passivation layer on the metal material, the gap defined by the bottom and sidewalls comprising the dielectric material with having a barrier layer thereon. A metal liner is selectively deposited on the barrier layer on the sidewall over the passivation layer on the bottom.

    SELECTIVE SELF-ASSEMBLED MONOLAYER (SAM) REMOVAL

    公开(公告)号:US20240420996A1

    公开(公告)日:2024-12-19

    申请号:US18209035

    申请日:2023-06-13

    Abstract: Methods of forming microelectronic devices comprise forming a dielectric layer on a substrate, the dielectric layer comprising at least one feature defining a gap including sidewalls and a bottom. The methods include forming a hardmask on the dielectric layer; selectively depositing a self-assembled monolayer (SAM) on the bottom of the gap and on the hardmask; treating the microelectronic device with a plasma to remove the self-assembled monolayer (SAM) from the hardmask; forming a barrier layer on the dielectric layer and on the hardmask; selectively depositing a metal liner on the barrier layer on the sidewall; and performing a gap fill process on the metal liner.

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