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    • 4. 发明公开
    • Chemical mechanical polishing composition having chemical additives and methods for using same
    • 与化学添加剂和其使用方法的化学机械抛光组合物
    • EP2662427A2
    • 2013-11-13
    • EP13167334.5
    • 2013-05-10
    • AIR PRODUCTS AND CHEMICALS, INC.
    • Shi, XiaoboSchlueter, James AllenGraham, Maitland GaryStoeva, Savka I.Henry, James Matthew
    • C09G1/02
    • C09G1/02H01L21/31053
    • Chemical-mechanical polishing (CMP) compositions containing chemical additives and methods of using the CMP compositions are disclosed. The CMP composition comprises an abrasive; a chemical additive selected from i) piperazine derivatives, ii) 4-morpholine derivatives, iii) organic amino sulfonic acid derivatives and their salts, iv) substituted amine compounds and their salts, v) bis-amine compounds and their salts and a liquid carrier and having a pH of 2-8. The CMP compositions and the methods provide enhanced removing rate for "SiC" , SiN" and "SiC x N y " films; and tunable removal selectivity for "SiC" with respect to SiO 2 , "SiN" with respect to SiO 2 , "SiC" with respect to "SiN", or "SiC x N y " with respect to SiO 2 ; wherein x ranges from 0.1wt% to 55wt%, y ranges from 0.1 wt % to 32 wt %.
    • 含化学添加剂以及使用该CMP组合物的方法的化学机械抛光(CMP)的组合物是游离缺失光盘。 的磨料的CMP组合物包含: 选自i的化学添加剂)哌嗪衍生物,ⅱ)4-吗啉衍生物,ⅲ)有机氨基磺酸衍生物和它们的盐,ⅳ)substituiertem胺化合物和它们的盐,v)的双 - 胺化合物及其盐和液体载体 和pH为2-8。 CMP组合物和方法提供了增强的对“碳化硅”的SiN“和”碳化硅×N个Y“膜;以及可调谐去除选择性为”除去率的SiC“相对于SiO 2的”的SiN“相对于SiO 2的,” 碳化硅“相对于”的SiN“或”碳化硅×N个Y“相对于SiO 2的;从最多0.1重量%worin x为至55重量%,y为0.1重量%至32重量%。