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    • 25. 发明申请
    • Method and composition for polishing a substrate
    • 抛光基材的方法和组合物
    • US20060169597A1
    • 2006-08-03
    • US11356352
    • 2006-02-15
    • Feng LiuTianbao DuAlain DuboustWei-Yung HsuRobert EwaldYuan TianYou WangStan Tsai
    • Feng LiuTianbao DuAlain DuboustWei-Yung HsuRobert EwaldYuan TianYou WangStan Tsai
    • B23H9/00B23H7/00
    • C25F3/02B23H5/08
    • Polishing compositions and methods for removing conductive materials from a substrate surface are provided. In one aspect, a composition includes an acid based electrolyte system, a corrosion inhibitor having an azole group, an organic acid salt, a pH adjusting agent to provide a pH between about 2 and about 10, and a solvent, and a solvent. The composition may be used in a conductive material removal process including disposing a substrate having a conductive material layer formed thereon in a process apparatus comprising an electrode, providing the composition between the electrode and substrate, applying a bias between the electrode and the substrate, and removing conductive material from the conductive material layer. The polishing compositions and methods described herein improve the effective removal rate of materials from the substrate surface, such as copper, with a reduction in planarization type defects and yielding a desirable surface finish.
    • 提供了抛光组合物和从衬底表面去除导电材料的方法。 在一个方面,组合物包括酸基电解质体系,具有唑基的腐蚀抑制剂,有机酸盐,pH调节剂以提供约2至约10的pH以及溶剂和溶剂。 该组合物可以用于导电材料去除工艺中,包括在包括电极的工艺设备中设置其上形成有导电材料层的衬底,在电极和衬底之间提供组合物,在电极和衬底之间施加偏压,以及 从导电材料层去除导电材料。 本文所述的抛光组合物和方法提高了材料从衬底表面(例如铜)的有效去除速率,同时平坦化型缺陷减少并产生理想的表面光洁度。
    • 28. 发明申请
    • PROCESS CONTROL IN ELECTRO-CHEMICAL MECHANICAL POLISHING
    • 电化学机械抛光过程控制
    • US20080017521A1
    • 2008-01-24
    • US11828937
    • 2007-07-26
    • ANTOINE MANENSStan TsaiLiang-Yuh Chen
    • ANTOINE MANENSStan TsaiLiang-Yuh Chen
    • B23H3/00
    • B24B37/013B23H5/08B24B37/042B24B37/046B24B49/04H04N1/00
    • The present invention relates to method and apparatus for determining removal rate and polishing endpoint of electropolishing process. One embodiment provides a method for determining an amount of material removed from a substrate. The method comprises providing a counter electrode and a conductive polishing article disposed over the counter electrode, contacting the substrate with the conductive polishing article so that the substrate is electrically connected to the conductive polishing article, distributing an electrolyte to the substrate and the counter electrode, and polishing one or more conductive materials on the substrate by applying a bias between the conductive polishing article and the counter electrode. The method further comprises determining a total charge removed from the substrate, and correlating the total charge removed and a thickness of material removed from the substrate.
    • 本发明涉及用于确定电抛光工艺的去除速率和抛光终点的方法和装置。 一个实施例提供了一种用于确定从基底去除的材料的量的方法。 该方法包括提供对置电极和布置在对置电极上的导电抛光制品,使基底与导电抛光制品接触,使得基底电连接到导电抛光制品,将电解质分配到基底和对电极, 并且通过在导电抛光制品和对电极之间施加偏压来抛光衬底上的一种或多种导电材料。 该方法还包括确定从衬底去除的总电荷,以及将去除的总电荷与从衬底去除的材料的厚度相关联。