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    Semiconductor substrate process using an optically writable carbon-containing mask
    1.
    发明申请
    Semiconductor substrate process using an optically writable carbon-containing mask 有权
    使用可光学写入的含碳掩模的半导体衬底工艺

    公开(公告)号：US20070032082A1

    公开(公告)日：2007-02-08

    申请号：US11199592

    申请日：2005-08-08

    申请人： Kartik Ramaswamy ,  Hiroji Hanawa ,  Biagio Gallo ,  Kenneth Collins ,  Kai Ma ,  Vijay Parihar ,  Dean Jennings ,  Abhilash Mayur ,  Amir Al-Bayati ,  Andrew Nguyen

    发明人： Kartik Ramaswamy ,  Hiroji Hanawa ,  Biagio Gallo ,  Kenneth Collins ,  Kai Ma ,  Vijay Parihar ,  Dean Jennings ,  Abhilash Mayur ,  Amir Al-Bayati ,  Andrew Nguyen

    IPC分类号： H01L21/302

    CPC分类号： H01L21/0332 ,  G03F1/54 ,  G03F1/68 ,  G03F7/202 ,  H01L21/3081 ,  H01L21/3086

    摘要： A method of processing a thin film structure on a semiconductor substrate using an optically writable mask, the method includes placing the substrate in a reactor chamber, the substrate having on its surface a target layer to be exposed to a light source in accordance with a predetermined pattern, depositing an optically writable carbon-containing mask layer on the substrate by (a) introducing a carbon-containing process gas into the chamber, (b) generating a reentrant toroidal RF plasma current in a reentrant path that includes a process zone overlying the workpiece by coupling plasma RF source power to an external portion of the reentrant path, (c) coupling RF plasma bias power or bias voltage to the workpiece. The method further includes optically writing on the carbon-containing mask layer in accordance with the predetermined pattern with writing light of a characteristic suitable for transforming the transparency or opacity of the optically writable mask layer and exposing through the mask layer the target layer with reading light of a characteristic different from that of the writing light.

    摘要翻译： 一种使用光学可写掩模在半导体衬底上处理薄膜结构的方法，所述方法包括将衬底放置在反应室中，所述衬底在其表面上具有根据预定的暴露于光源的靶层 （a）将含碳工艺气体引入所述室中，（b）在可折入路径中产生可重入环形的RF等离子体电流，所述折返路径包括位于所述腔内的过程区域 通过将等离子体RF源功率耦合到可折入路径的外部部分，（c）将RF等离子体偏置功率或偏置电压耦合到工件。 该方法还包括根据预定图案，用适合于转换光学可写掩膜层的透明度或不透明度的特性的光进行光学写入，并通过掩模层曝光目标层与读取光 具有与书写光不同的特征。

    Copper conductor annealing process employing high speed optical annealing with a low temperature-deposited optical absorber layer
    6.
    发明申请
    Copper conductor annealing process employing high speed optical annealing with a low temperature-deposited optical absorber layer 有权
    铜导体退火工艺采用低温沉积光吸收层进行高速光学退火

    公开(公告)号：US20070032095A1

    公开(公告)日：2007-02-08

    申请号：US11199572

    申请日：2005-08-08

    申请人： Kartik Ramaswamy ,  Hiroji Hanawa ,  Biagio Gallo ,  Kenneth Collins ,  Kai Ma ,  Vijay Parihar ,  Dean Jennings ,  Abhilash Mayur ,  Amir Al-Bayati ,  Andrew Nguyen

    发明人： Kartik Ramaswamy ,  Hiroji Hanawa ,  Biagio Gallo ,  Kenneth Collins ,  Kai Ma ,  Vijay Parihar ,  Dean Jennings ,  Abhilash Mayur ,  Amir Al-Bayati ,  Andrew Nguyen

    IPC分类号： H01L21/00

    CPC分类号： B23K26/0738 ,  B23K26/0608 ,  B23K26/0876 ,  B23K26/361 ,  B23K26/40 ,  B23K2103/172 ,  B23K2103/50 ,  H01L21/76843 ,  H01L21/76864 ,  H01L21/76873 ,  H01L21/76877 ,  H01L21/76886

    摘要： A method of forming a conductor in a thin film structure on a semiconductor substrate includes forming high aspect ratio openings in a base layer having vertical side walls, depositing a dielectric barrier layer comprising a dielectric compound of a barrier metal on the surfaces of the high aspect ratio openings including the vertical side walls, depositing a metal barrier layer comprising the barrier metal on the first barrier layer, depositing a main conductor species seed layer on the metal barrier layer and depositing a main conductor layer. The method further includes annealing the main conductor layer by (a) directing light from an array of continuous wave lasers into a line of light extending at least partially across the thin film structure, and (b) translating the line of light relative to the thin film structure in a direction transverse to the line of light. The method of Claim 1 further comprising, prior to the annealing step, depositing an amorphous carbon optical absorber layer on the main conductor layer. The step of depositing an amorphous carbon optical absorber layer includes introducing a carbon-containing process gas into a reactor chamber containing the substrate in a process zone of the reactor, applying RF source power to an external reentrant conduit of the reactor to generate a reentrant toroidal RF plasma current passing through the process zone and applying a bias voltage to the substrate.

    摘要翻译： 在半导体衬底上形成薄膜结构中的导体的方法包括在具有垂直侧壁的基底层中形成高纵横比的开口，在高方面的表面上沉积包含阻挡金属的电介质化合物的介电阻挡层 比例开口，包括垂直侧壁，在第一阻挡层上沉积包括阻挡金属的金属阻挡层，在金属阻挡层上沉积主导体种子种子层并沉积主导体层。 该方法还包括通过以下步骤来退火主导体层：（a）将来自连续波激光器阵列的光引导到至少部分穿过薄膜结构的光线，以及（b）相对于薄的平面 薄膜结构在横向于光线的方向上。 2.根据权利要求1所述的方法，还包括在所述退火步骤之前，在所述主导体层上沉积无定形碳光吸收层。 沉积无定形碳光吸收层的步骤包括将含碳工艺气体引入反应器的反应器室中，该反应器室在反应器的工艺区域中，将RF源功率施加到反应器的外部折入导管以产生可重入环形 RF等离子体电流通过工艺区域并向衬底施加偏置电压。