Method and apparatus for selectively changing thin film composition during electroless deposition in a single chamber

    公开(公告)号:US20050181226A1

    公开(公告)日:2005-08-18

    申请号:US11040962

    申请日:2005-01-22

    摘要: A method and apparatus for electrolessly depositing a multilayer film using a fluid processing solution(s) that can clean and then electrolessly deposit a metal films having discrete or varying composition onto a conductive surface using a single processing cell. The process advantageously includes in-situ cleaning step in order to minimize the formation of oxides on the conductive surfaces, by minimizing or preventing the exposure of the conductive surfaces to oxygen (e.g., air) between the cleaning step and an electroless deposition process step(s). In one aspect, the chemical components used in the fluid processing solution(s) are selected so that the interaction of various chemical components will not drastically change the desirable properties of each of the interacting fluids, generate particles in the fluid lines or on the surface of the substrate, and/or generate a significant amount of heat which can damage the hardware or significantly change the electroless process results. In another aspect, no rinsing steps are required between the various deposition steps used to form the various layers, since the processing fluids are selected so that they are compatible with each other. In another aspect, throughout the process the conductive surfaces are continually in contact with various chemical components that will inhibit oxidation of the conductive surfaces and/or reduce the oxidized metal surfaces. In one aspect, a multilayer structure can formed on the surface of the conductive surface using the continuous electroless deposition process where the first layer of the multilayer structure has at least two of the following elements cobalt (Co), tungsten (W), phosphorus (P) or boron (B); and a second layer contains at least two of the following elements cobalt (Co), boron (B) or phosphorus (P). Formation of a multilayer structure on the conductive surface may have advantage since each deposited layer can have differing properties which when placed together will form a layer that has improved properties over a single deposited layer.

    Apparatus for electroless deposition of metals onto semiconductor substrates
    3.
    发明申请
    Apparatus for electroless deposition of metals onto semiconductor substrates 有权
    用于将金属无电沉积到半导体衬底上的装置

    公开(公告)号:US20050263066A1

    公开(公告)日:2005-12-01

    申请号:US11043442

    申请日:2005-01-26

    摘要: An electroless deposition system is provided. The system includes a processing mainframe, at least one substrate cleaning station positioned on the mainframe, and an electroless deposition station positioned on the mainframe. The electroless deposition station includes an environmentally controlled processing enclosure, a first processing station configured to clean and activate a surface of a substrate, a second processing station configured to electrolessly deposit a layer onto the surface of the substrate, and a substrate transfer shuttle positioned to transfer substrates between the first and second processing stations. The system also includes a substrate transfer robot positioned on the mainframe and configured to access an interior of the processing enclosure. The system also includes a substrate a fluid delivery system that is configured to deliver a processing fluid by use of a spraying process to a substrate mounted in the processing enclosure.

    摘要翻译: 提供无电沉积系统。 该系统包括处理主机,位于主机上的至少一个基板清洗台和位于主机上的无电沉积站。 无电沉积站包括环境受控的处理外壳,被配置为清洁和激活基板的表面的第一处理站,被配置为将层无电沉积到基板的表面上的第二处理站,以及位于 在第一和第二处理站之间传送衬底。 该系统还包括位于主机上并被配置为访问处理外壳内部的基板传送机器人。 该系统还包括一个流体输送系统,该流体输送系统被配置成通过使用喷射过程将处理流体输送到安装在处理外壳中的基板。

    Apparatus for electroless deposition
    4.
    发明申请
    Apparatus for electroless deposition 有权
    无电沉积装置

    公开(公告)号:US20050081785A1

    公开(公告)日:2005-04-21

    申请号:US10965220

    申请日:2004-10-14

    摘要: Embodiments of the invention generally provide a fluid processing platform. The platform includes a mainframe having a substrate transfer robot, at least one substrate cleaning cell on the mainframe, and at least one processing enclosure. The processing enclosure includes a gas supply positioned in fluid communication with an interior of the processing enclosure, a first fluid processing cell positioned in the enclosure, a first substrate head assembly positioned to support a substrate for processing in the first fluid processing cell, a second fluid processing cell positioned in the enclosure, a second head assembly positioned to support a substrate for processing in the second fluid processing cell, and a substrate shuttle positioned between the first and second fluid processing cells and being configured to transfer substrates between the fluid processing cells and the mainframe robot.

    摘要翻译: 本发明的实施例通常提供流体处理平台。 平台包括具有基板传送机器人的主机,主机上的至少一个基板清洁单元,以及至少一个处理机壳。 处理外壳包括定位成与处理外壳的内部流体连通的气体供应源,位于外壳中的第一流体处理单元,定位成支撑基板以在第一流体处理单元中进行处理的第一基板头组件,第二流体处理单元 位于外壳中的流体处理单元,定位成支撑用于在第二流体处理单元中进行处理的基板的第二头部组件,以及位于第一和第二流体处理单元之间的衬底梭,并且构造成将衬底在流体处理单元 和主机机器人。

    Apparatus for electroless deposition of metals onto semiconductor substrates
    5.
    发明申请
    Apparatus for electroless deposition of metals onto semiconductor substrates 有权
    用于将金属无电沉积到半导体衬底上的装置

    公开(公告)号:US20050260345A1

    公开(公告)日:2005-11-24

    申请号:US11175251

    申请日:2005-07-06

    摘要: An electroless deposition system and electroless deposition stations are provided. The system includes a processing mainframe, at least one substrate cleaning station positioned on the mainframe, and an electroless deposition station positioned on the mainframe. The electroless deposition station includes an environmentally controlled processing enclosure, a first processing station configured to clean and activate a surface of a substrate, a second processing station configured to electrolessly deposit a layer onto the surface of the substrate, and a substrate shuttle positioned to transfer substrates between the first and second processing stations. The electroless deposition station also includes various fluid delivery and substrate temperature controlling devices to perform a contamination free and uniform electroless deposition process.

    摘要翻译: 提供无电沉积系统和无电沉积站。 该系统包括处理主机,位于主机上的至少一个基板清洗台和位于主机上的无电沉积站。 无电沉积站包括环境控制的处理外壳,被配置为清洁和激活基板的表面的第一处理站,被配置为将层无电沉积到基板的表面上的第二处理站和定位成转移的基板梭 第一和第二处理站之间的基板。 无电沉积站还包括各种流体输送和基板温度控制装置,以执行无污染和均匀的无电沉积工艺。

    Process for electroless copper deposition
    9.
    发明申请
    Process for electroless copper deposition 有权
    无电镀铜工艺

    公开(公告)号:US20070004201A1

    公开(公告)日:2007-01-04

    申请号:US11385037

    申请日:2006-03-20

    IPC分类号: H01L21/44

    摘要: Embodiments of the invention provide methods for forming conductive materials within contact features on a substrate by depositing a seed layer within a feature and subsequently filling the feature with a copper-containing material during an electroless deposition process. In one example, a copper electroless deposition solution contains levelers to form convexed or concaved copper surfaces. In another example, a seed layer is selectively deposited on the bottom surface of the aperture while leaving the sidewalls substantially free of the seed material during a collimated PVD process. In another example, the seed layer is conformably deposited by a PVD process and subsequently, a portion of the seed layer and the underlayer are plasma etched to expose an underlying contact surface. In another example, a ruthenium seed layer is formed on an exposed contact surface by an ALD process utilizing the chemical precursor ruthenium tetroxide.

    摘要翻译: 本发明的实施例提供了通过在特征内沉积种子层并随后在无电沉积工艺期间用含铜材料填充该特征而在基底上的接触特征内形成导电材料的方法。 在一个实例中,铜无电解沉积溶液含有形成凸形或凹陷铜表面的矫直机。 在另一个实例中,在准直的PVD工艺期间,将籽晶层选择性地沉积在孔的底表面上,同时留下基本上不含种子材料的侧壁。 在另一个实例中,种子层通过PVD工艺顺应地沉积,随后种子层和底层的一部分被等离子体蚀刻以暴露下面的接触表面。 在另一个实例中,通过使用化学前体四氧化钌的ALD工艺在暴露的接触表面上形成钌籽晶层。