METHOD FOR FABRICATING SEMICONDUCTOR DEVICE
    1.
    发明申请
    METHOD FOR FABRICATING SEMICONDUCTOR DEVICE 审中-公开
    制造半导体器件的方法

    公开(公告)号:US20100178764A1

    公开(公告)日:2010-07-15

    申请号:US12686841

    申请日:2010-01-13

    IPC分类号: H01L21/3205

    摘要: A method for fabricating a semiconductor device, includes the steps of (a) forming a metal film containing a precious metal on a substrate having a semiconductor layer containing silicon or on a conductive film containing silicon formed on the substrate, (b) after step (a), heat-treating the substrate to allow the precious metal to react with silicon to form a silicide film containing the precious metal on the substrate or the conductive film, (c) after step (b), forming an oxide film on a portion of the silicide film underlying an unreacted portion of the precious metal using a first chemical solution, and (d) dissolving the unreacted portion of the precious metal using a second chemical solution.

    摘要翻译: 一种制造半导体器件的方法,包括以下步骤:(a)在具有含硅的半导体层的基板上或在基板上形成含有硅的导电膜上形成含有贵金属的金属膜,(b)在步骤 a),对基材进行热处理以使贵金属与硅反应以在基材或导电膜上形成含有贵金属的硅化物膜,(c)在步骤(b)之后,在一部分上形成氧化膜 使用第一化学溶液在贵金属的未反应部分下面的硅化物膜,和(d)使用第二化学溶液溶解贵金属的未反应部分。

    METHOD FOR FABRICATING SEMICONDUCTOR DEVICE
    2.
    发明申请
    METHOD FOR FABRICATING SEMICONDUCTOR DEVICE 审中-公开
    制造半导体器件的方法

    公开(公告)号:US20100144146A1

    公开(公告)日:2010-06-10

    申请号:US12627572

    申请日:2009-11-30

    IPC分类号: H01L21/30

    摘要: The step a) of forming a noble metal film or a metal film containing a noble metal on a semiconductor substrate containing silicon or a conductive film containing silicon is performed, the step b) of forming a silicide film containing a noble metal on the semiconductor substrate or the conductive film is performed, after the step a), by performing thermal treatment to the semiconductor substrate, the step c) of activating unreacted part of the noble metal using a first chemical solution is performed after the step b), and the step d) of dissolving the unreacted part of the noble metal activated in the step c) is performed. The step d) is performed within 30 minutes or less after the step c).

    摘要翻译: 执行在包含硅的半导体衬底或含有硅的导电膜上形成含有贵金属的贵金属膜或金属膜的步骤a),在半导体衬底上形成含有贵金属的硅化物膜的步骤b) 或者在步骤a)之后执行导电膜,通过对半导体衬底进行热处理,在步骤b)之后执行使用第一化学溶液活化未反应部分贵金属的步骤c),并且步骤 d)溶解步骤c)中活化的贵金属的未反应部分。 步骤d)在步骤c)之后的30分钟以内进行。

    METHOD AND APPARATUS FOR FABRICATING SEMICONDUCTOR DEVICE
    4.
    发明申请
    METHOD AND APPARATUS FOR FABRICATING SEMICONDUCTOR DEVICE 审中-公开
    用于制造半导体器件的方法和装置

    公开(公告)号:US20100178763A1

    公开(公告)日:2010-07-15

    申请号:US12651673

    申请日:2010-01-04

    摘要: A method for fabricating a semiconductor device includes the steps of: (a) forming an alloy film containing a precious metal on a substrate having a semiconductor layer or on a conductive film formed on the substrate; (b) heat-treating the substrate to allow the precious metal to react with silicon forming a silicide film containing the precious metal on the substrate or the conductive film; (c) removing an unreacted portion of the alloy film with a first chemical solution after the step (b); (d) forming a silicon oxide film on the top surface of the silicide film including a portion underlying a residue of the precious metal by exposing the substrate to an oxidative atmosphere; and (e) dissolving the residue of the precious metal with a second chemical solution.

    摘要翻译: 一种制造半导体器件的方法包括以下步骤:(a)在具有半导体层的衬底上或在形成在衬底上的导电膜上形成含有贵金属的合金膜; (b)对所述基板进行热处理以使所述贵金属与在所述基板或所述导电膜上形成含有所述贵金属的硅化物膜的硅反应; (c)在步骤(b)之后用第一化学溶液除去合成膜的未反应部分; (d)通过将基板暴露于氧化气氛,在硅化物膜的顶表面上形成氧化硅膜,该氧化硅膜包括贵金属残留物下面的部分; 和(e)用第二种化学溶液溶解贵金属的残余物。