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    • 1. 发明申请
    • Single damascene with disposable stencil and method therefore
    • 具有一次性模板的单镶嵌和方法
    • US20070042588A1
    • 2007-02-22
    • US11204982
    • 2005-08-16
    • Michael BeckBee HongArmin TilkeHermann Wendt
    • Michael BeckBee HongArmin TilkeHermann Wendt
    • H01L21/44
    • H01L21/76885Y10S438/926
    • In a method of fabricating a semiconductor device, a liner is deposited over a conductive region of a wafer and a stencil layer is deposited over the liner. The stencil layer and the liner are etched to form a stencil pattern for a conductive layer. A second liner is deposited over exposed surfaces of the stencil pattern, and the exposed horizontal surfaces of the second liner are removed by sputtering. A low-k dielectric layer is then deposited over the wafer, and the wafer is planarized down to the stencil pattern by chemical-mechanical polishing. The stencil pattern is removed with a wet etch to form an aperture in the wafer exposing the liner and remaining portions of the second liner. Metal is deposited in the aperture, and the surface of the wafer is replanarized by chemical-mechanical polishing to produce a planar surface for additional metallization layers that may be deposited.
    • 在制造半导体器件的方法中,衬垫沉积在晶片的导电区域上,并且模板层沉积在衬垫上。 蚀刻模板层和衬垫以形成用于导电层的模板图案。 第二衬里沉积在模板图案的暴露表面上,并且通过溅射去除第二衬里的暴露的水平表面。 然后将低k电介质层沉积在晶片上,并且通过化学机械抛光将晶片平面化到模板图案。 用湿蚀刻去除模板图案,以在晶片中形成暴露衬垫和第二衬垫的剩余部分的孔。 金属沉积在孔中,晶片的表面通过化学机械抛光进行再生,以产生可沉积的附加金属化层的平面。
    • 2. 发明授权
    • Single damascene with disposable stencil and method therefore
    • 具有一次性模板的单镶嵌和方法
    • US07452804B2
    • 2008-11-18
    • US11204982
    • 2005-08-16
    • Michael BeckBee Kim HongArmin TilkeHermann Wendt
    • Michael BeckBee Kim HongArmin TilkeHermann Wendt
    • H01L21/00
    • H01L21/76885Y10S438/926
    • In a method of fabricating a semiconductor device, a liner is deposited over a conductive region of a wafer and a stencil layer is deposited over the liner. The stencil layer and the liner are etched to form a stencil pattern for a conductive layer. A second liner is deposited over exposed surfaces of the stencil pattern, and the exposed horizontal surfaces of the second liner are removed by sputtering. A low-k dielectric layer is then deposited over the wafer, and the wafer is planarized down to the stencil pattern by chemical-mechanical polishing. The stencil pattern is removed with a wet etch to form an aperture in the wafer exposing the liner and remaining portions of the second liner. Metal is deposited in the aperture, and the surface of the wafer is replanarized by chemical-mechanical polishing to produce a planar surface for additional metallization layers that may be deposited.
    • 在制造半导体器件的方法中,衬垫沉积在晶片的导电区域上,并且模板层沉积在衬垫上。 蚀刻模板层和衬垫以形成用于导电层的模板图案。 第二衬里沉积在模板图案的暴露表面上,并且通过溅射去除第二衬里的暴露的水平表面。 然后将低k电介质层沉积在晶片上,并且通过化学机械抛光将晶片平面化到模板图案。 用湿蚀刻去除模板图案,以在晶片中形成暴露衬垫和第二衬垫的剩余部分的孔。 金属沉积在孔中,晶片的表面通过化学机械抛光进行再生,以产生可沉积的附加金属化层的平面。
    • 9. 发明申请
    • Isolation for semiconductor devices
    • 半导体器件隔离
    • US20070059897A1
    • 2007-03-15
    • US11223232
    • 2005-09-09
    • Armin TilkeBee Hong
    • Armin TilkeBee Hong
    • H01L21/76
    • H01L21/76229H01L21/3065H01L21/3086
    • Methods of forming and structures for isolation structures for semiconductor devices are disclosed. The isolation structures are wider at the bottom than at the top, providing the ability to further scale the size of semiconductor devices. A first etch process is used to form a first trench portion, and a second etch process or an oxidation process is used to form a second trench portion beneath the first trench portion. The second trench portion is wider than the first trench portion. A liner may form during the first trench portion on the sidewalls of the first trench portion that protects the first trench portion sidewalls during the second etch process, in one embodiment. Alternatively, a liner may be deposited on the sidewalls of the first trench portion, in another embodiment.
    • 公开了用于半导体器件的隔离结构的形成方法和结构。 隔离结构在底部比在顶部更宽,提供了进一步缩小半导体器件尺寸的能力。 第一蚀刻工艺用于形成第一沟槽部分,并且第二蚀刻工艺或氧化工艺用于在第一沟槽部分下方形成第二沟槽部分。 第二沟槽部分比第一沟槽部分宽。 在一个实施例中,衬垫可以在第一沟槽部分的侧壁处的第一沟槽部分期间形成,其在第二蚀刻工艺期间保护第一沟槽部分侧壁。 或者,在另一个实施例中,衬垫可以沉积在第一沟槽部分的侧壁上。