Thin films and methods of making them using cyclohexasilane
    3.
    发明申请
    Thin films and methods of making them using cyclohexasilane 审中-公开
    薄膜及其使用环己硅烷的方法

    公开(公告)号:US20120024223A1

    公开(公告)日:2012-02-02

    申请号:US13135033

    申请日:2011-06-23

    IPC分类号: C30B25/14 C30B25/12

    摘要: Cyclohexasilane is used in chemical vapor deposition methods to deposit epitaxial silicon-containing films over substrates. Such methods are useful in semiconductor manufacturing to provide a variety of advantages, including uniform deposition over heterogeneous surfaces, high deposition rates, and higher manufacturing productivity. Furthermore, the crystalline Si may be in situ doped to contain relatively high levels of substitutional carbon by carrying out the deposition at a relatively high flow rate using cyclohexasilane as a silicon source and a carbon-containing gas such as dodecalmethylcyclohexasilane or tetramethyldisilane under modified CVD conditions.

    摘要翻译: 环己硅烷用于化学气相沉积方法以将外延含硅膜沉积在基材上。 这种方法在半导体制造中可用于提供各种优点,包括在异质表面上的均匀沉积,高沉积速率和更高的制造生产率。 此外,可以通过在改进的CVD条件下使用环己硅烷作为硅源和含碳气体如十二烷基甲基环己硅烷或四甲基二硅烷以相对高的流速进行沉积,可以原位掺杂晶体Si以含有相对高水平的取代碳 。