SYSTEMS AND METHODS FOR FORMING UV-CURED LOW-K DIELECTRIC FILMS

    公开(公告)号:US20220108884A1

    公开(公告)日:2022-04-07

    申请号:US17063358

    申请日:2020-10-05

    Abstract: Semiconductor processing methods are described for forming UV-treated, low-κ dielectric films. The methods may include flowing deposition precursors into a substrate processing region of a semiconductor processing chamber. The deposition precursors may include a silicon-and-carbon-containing precursor. The methods may further include generating a deposition plasma from the deposition precursors within the substrate processing region, and depositing a silicon-and-carbon-containing material on the substrate from plasma effluents of the deposition plasma. The as-deposited silicon-and-carbon-containing material may be characterized by greater than or about 5% hydrocarbon groups. The methods may still further include exposing the deposited silicon-and-carbon-containing material to ultraviolet light. The exposed silicon-and-carbon-containing material may be characterized by less than or about 2% hydrocarbon groups.

    Post treatment for dielectric constant reduction with pore generation on low K dielectric films
    2.
    发明授权
    Post treatment for dielectric constant reduction with pore generation on low K dielectric films 有权
    在低K电介质膜上产生孔隙的介电常数降低的后处理

    公开(公告)号:US09324571B2

    公开(公告)日:2016-04-26

    申请号:US14765673

    申请日:2014-02-04

    Abstract: A method and apparatus for depositing a low K dielectric film with one or more features is disclosed herein. A method of forming a dielectric layer can include positioning a substrate in a processing chamber, delivering a deposition gas to the processing chamber, depositing a dense organosilicon layer using the deposition gas on the surface of the substrate, the dense organosilicon layer comprising a porogenic carbon, transferring a pattern into the dense organosilicon layer, forming a pore-forming plasma from a reactant gas, exposing the dense organosilicon layer to the pore-forming plasma to create a porous organosilicon layer, wherein the pore-forming plasma removes at least a portion of the porogenic carbon and exposing the porous organosilicon layer to a desiccating post treatment.

    Abstract translation: 本文公开了一种用于沉积具有一个或多个特征的低K电介质膜的方法和装置。 形成电介质层的方法可以包括将衬底定位在处理室中,将沉积气体输送到处理室中,使用沉积气体在衬底的表面上沉积致密的有机硅层,致密有机硅层包含致孔碳 将图案转移到致密的有机硅层中,从反应气体形成成孔等离子体,将致密的有机硅层暴露于成孔等离子体以产生多孔有机硅层,其中成孔等离子体去除至少一部分 的造孔碳,并将多孔有机硅层暴露于干燥后处理。

    Systems and methods for forming UV-cured low-κ dielectric films

    公开(公告)号:US11621162B2

    公开(公告)日:2023-04-04

    申请号:US17063358

    申请日:2020-10-05

    Abstract: Semiconductor processing methods are described for forming UV-treated, low-κ dielectric films. The methods may include flowing deposition precursors into a substrate processing region of a semiconductor processing chamber. The deposition precursors may include a silicon-and-carbon-containing precursor. The methods may further include generating a deposition plasma from the deposition precursors within the substrate processing region, and depositing a silicon-and-carbon-containing material on the substrate from plasma effluents of the deposition plasma. The as-deposited silicon-and-carbon-containing material may be characterized by greater than or about 5% hydrocarbon groups. The methods may still further include exposing the deposited silicon-and-carbon-containing material to ultraviolet light. The exposed silicon-and-carbon-containing material may be characterized by less than or about 2% hydrocarbon groups.

    SYSTEMS AND METHODS FOR DEPOSITING LOW-K DIELECTRIC FILMS

    公开(公告)号:US20220084815A1

    公开(公告)日:2022-03-17

    申请号:US17021035

    申请日:2020-09-15

    Abstract: Embodiments of the semiconductor processing methods to form low-κ films on semiconductor substrates are described. The processing methods may include flowing deposition precursors into a substrate processing region of a semiconductor processing chamber. The deposition precursors may include a silicon-containing precursor that has at least one vinyl group. The methods may further include generating a deposition plasma in the substrate processing region from the deposition precursors. A silicon-and-carbon-containing material, characterized by a dielectric constant (κ value) less than or about 3.0, may be deposited on the substrate from plasma effluents of the deposition plasma.

    SYSTEMS AND METHODS FOR CLEANING LOW-K DEPOSITION CHAMBERS

    公开(公告)号:US20220081765A1

    公开(公告)日:2022-03-17

    申请号:US17020256

    申请日:2020-09-14

    Abstract: Exemplary semiconductor processing methods to clean a substrate processing chamber are described. The methods may include depositing a dielectric film on a first substrate in a substrate processing chamber, where the dielectric film may include a silicon-carbon-oxide. The first substrate having the dielectric film may be removed from the substrate processing chamber, and the dielectric film may be deposited on at least one more substrate in the substrate processing chamber. The at least one more substrate may be removed from the substrate processing chamber after the dielectric film is deposited on the substrate. Etch plasma effluents may flow into the substrate processing chamber after the removal of a last substrate having the dielectric film. The etch plasma effluents may include greater than or about 500 sccm of NF3 plasma effluents, and greater than or about 1000 sccm of O2 plasma effluents.

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