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    • 7. 发明申请
    • Semiconductor substrate polishing methods and equipment
    • 半导体衬底抛光方法和设备
    • US20060272773A1
    • 2006-12-07
    • US11506316
    • 2006-08-17
    • Paul FischerChris Barns
    • Paul FischerChris Barns
    • H01L21/306
    • H01L21/7684B24B37/042B24B37/046C25F3/02H01L21/32115H01L21/32125
    • According to one aspect of the present invention, a method of electrochemically polishing a semiconductor substrate may be provided. A semiconductor substrate processing fluid, having a plurality of abrasive particles therein, may be placed between the surface of the semiconductor substrate and the polish head. The polish head may be moved relative to the surface of the semiconductor substrate to cause the abrasive particles to polish the surface of the semiconductor substrate. According to a second aspect of the present invention, a method for electro-polishing a semiconductor substrate may be provided. A semiconductor substrate may be placed in an electrolytic solution. A surface of the semiconductor substrate may be contacted with at least one conductive member. A voltage may be applied across the electrolytic solution and the at least one conductive member. The at least one conductive member may be moved across the surface of the semiconductor substrate.
    • 根据本发明的一个方面,可以提供一种电化学抛光半导体衬底的方法。 可以在半导体衬底的表面和抛光头之间放置其中具有多个磨料颗粒的半导体衬底处理流体。 抛光头可以相对于半导体衬底的表面移动,以使研磨颗粒抛光半导体衬底的表面。 根据本发明的第二方面,可以提供一种用于电抛光半导体衬底的方法。 可以将半导体衬底放置在电解液中。 半导体衬底的表面可以与至少一个导电构件接触。 可以在电解液和至少一个导电构件之间施加电压。 至少一个导电构件可以跨过半导体衬底的表面移动。
    • 10. 发明申请
    • Etch stop and hard mask film property matching to enable improved replacement metal gate process
    • 蚀刻停止和硬掩模膜性能匹配,以改进替换金属浇口工艺
    • US20070077765A1
    • 2007-04-05
    • US11240839
    • 2005-09-30
    • Matthew PrinceChris BarnsJustin Brask
    • Matthew PrinceChris BarnsJustin Brask
    • H01L21/311
    • H01L21/31111H01L29/66545Y10S438/926
    • A method including forming a hard mask and an etch stop layer over a sacrificial material patterned as a gate electrode, wherein a material for the hard mask and a material for the etch stop layer are selected to have a similar stress property; removing the material for the hard mask and the material for the etch stop layer sufficient to expose the sacrificial material; replacing the sacrificial material with another material. A system including a computing device including a microprocessor, the microprocessor including a plurality of transistor devices, at least one of the plurality of transistor devices including a gate electrode formed on a substrate surface; a discontinuous etch stop layer conformally formed on the substrate surface and adjacent side wall surfaces of the gate electrode; and a dielectric material conformally formed over the etch stop layer.
    • 一种方法,包括在图案化为栅电极的牺牲材料上形成硬掩模和蚀刻停止层,其中用于硬掩模的材料和用于蚀刻停止层的材料被选择为具有类似的应力特性; 去除用于硬掩模的材料和足以暴露牺牲材料的用于蚀刻停止层的材料; 用另一种材料代替牺牲材料。 一种包括包括微处理器的计算设备的系统,所述微处理器包括多个晶体管器件,所述多个晶体管器件中的至少一个晶体管器件包括形成在衬底表面上的栅电极; 保形地形成在栅电极的基板表面和相邻的侧壁表面上的不连续的蚀刻停止层; 以及保形地形成在蚀刻停止层上的电介质材料。