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    • 3. 发明授权
    • Oxidation-stabilized CMP compositions and methods
    • 氧化稳定的CMP组合物和方法
    • US07732393B2
    • 2010-06-08
    • US11384538
    • 2006-03-20
    • Steven K. GrumbineRenjie ZhouZhan ChenPhillip W. Carter
    • Steven K. GrumbineRenjie ZhouZhan ChenPhillip W. Carter
    • C09G1/00
    • H01L21/3212C09G1/02C09K3/1463C23F3/04C23F3/06
    • The present invention provides a chemical-mechanical polishing (CMP) composition comprising an amino compound, a radical-forming oxidizing agent, a radical trapping agent capable of inhibiting radical-induced oxidation of the amino compound, and an aqueous carrier therefore. The radical trapping agent is a hydroxyl-substituted polyunsaturated cyclic compound, a nitrogenous compound, or a combination thereof. Optionally, the composition comprises a metal oxide abrasive (e.g., silica, alumina, titania, ceria, zirconia, or a combination of two or more of the foregoing abrasives). The invention further provides a method of chemically-mechanically polishing a substrate with the CMP compositions, as well as a method of enhancing the shelf-life of CMP compositions containing an amine and a radical-forming oxidizing agent, in which a radical trapping agent is added to the CMP composition.
    • 本发明提供一种包含氨基化合物,自由基形成氧化剂,能够抑制氨基化合物自由基诱导氧化的自由基捕获剂的化学机械抛光(CMP)组合物,以及含水载体。 自由基捕获剂是羟基取代的多不饱和环状化合物,含氮化合物或其组合。 任选地,组合物包含金属氧化物研磨剂(例如二氧化硅,氧化铝,二氧化钛,二氧化铈,氧化锆,或两种或更多种前述研磨剂的组合)。 本发明还提供了用CMP组合物对基材进行化学机械抛光的方法,以及提高含有胺和自由基形成氧化剂的CMP组合物的保存期限的方法,其中自由基捕获剂是 添加到CMP组合物中。
    • 7. 发明授权
    • Method of polishing a multi-layer substrate
    • 抛光多层基材的方法
    • US06852632B2
    • 2005-02-08
    • US10353542
    • 2003-01-29
    • Shumin WangVlasta Brusic KaufmanSteven K. GrumbineIsaac K. CherianRenjie Zhou
    • Shumin WangVlasta Brusic KaufmanSteven K. GrumbineIsaac K. CherianRenjie Zhou
    • B24B57/02B24D11/00C09G1/02C09K3/14H01L21/304H01L21/302C09K13/00
    • C09G1/02
    • The invention provides a method for polishing one or more layers of a multi-layer substrate that includes a first metal layer and a second layer comprising (i) contacting the first metal layer with a polishing system comprising a liquid carrier, at least one oxidizing agent, at least one polishing additive that increases the rate at which the system polishes at least one layer of the substrate, wherein the polishing additive is selected from the group consisting of pyrophosphates, condensed phosphates, phosphonic acids and salts thereof, amines, amino alcohols, amides, imines, imino acids, nitriles, nitros, thiols thioesters, thioethers, carbothiolic acids, carbothionic acids, thiocarboxylic acids, thiosalicylic acids, and mixtures thereof, and a polishing pad and/or an abrasive, and (ii) polishing the first metal layer with the system until at least a portion of the first metal layer is removed from the substrate.
    • 本发明提供了一种用于抛光一层或多层多层基材的方法,所述多层基材包括第一金属层和第二层,其包括(i)使第一金属层与包括液体载体,至少一种氧化剂 至少一种抛光添加剂,其增加系统抛光至少一层基材的速率,其中所述抛光添加剂选自焦磷酸盐,缩合磷酸盐,膦酸及其盐,胺,氨基醇, 酰胺,亚胺,亚氨基酸,腈,亚硝基,硫醇硫酯,硫醚,硫代硫酸,碳硫酸,硫代羧酸,硫代水杨酸及其混合物,以及抛光垫和/或磨料,和(ii) 层,直到第一金属层的至少一部分从衬底去除。
    • 8. 发明申请
    • Oxidation-stabilized CMP compositions and methods
    • 氧化稳定的CMP组合物和方法
    • US20070219104A1
    • 2007-09-20
    • US11384538
    • 2006-03-20
    • Steven GrumbineRenjie ZhouZhan ChenPhillip Carter
    • Steven GrumbineRenjie ZhouZhan ChenPhillip Carter
    • B08B7/00
    • H01L21/3212C09G1/02C09K3/1463C23F3/04C23F3/06
    • The present invention provides a chemical-mechanical polishing (CMP) composition comprising an amino compound, a radical-forming oxidizing agent, a radical trapping agent capable of inhibiting radical-induced oxidation of the amino compound, and an aqueous carrier therefore. The radical trapping agent is a hydroxyl-substituted polyunsaturated cyclic compound, a nitrogenous compound, or a combination thereof. Optionally, the composition comprises a metal oxide abrasive (e.g., silica, alumina, titania, ceria, zirconia, or a combination of two or more of the foregoing abrasives). The invention further provides a method of chemically-mechanically polishing a substrate with the CMP compositions, as well as a method of enhancing the shelf-life of CMP compositions containing an amine and a radical-forming oxidizing agent, in which a radical trapping agent is added to the CMP composition.
    • 本发明提供一种包含氨基化合物,自由基形成氧化剂,能够抑制氨基化合物自由基诱导氧化的自由基捕获剂的化学机械抛光(CMP)组合物,以及含水载体。 自由基捕获剂是羟基取代的多不饱和环状化合物,含氮化合物或其组合。 任选地,组合物包含金属氧化物研磨剂(例如二氧化硅,氧化铝,二氧化钛,二氧化铈,氧化锆,或两种或更多种前述研磨剂的组合)。 本发明还提供了用CMP组合物对基材进行化学机械抛光的方法,以及提高含有胺和自由基形成氧化剂的CMP组合物的保存期限的方法,其中自由基捕获剂是 添加到CMP组合物中。