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    • 5. 发明专利
    • Aqueous dispersing element for chemical mechanical polishing, manufacturing method thereof, and chemical mechanical polishing method
    • 化学机械抛光的水分散元件及其制造方法和化学机械抛光方法
    • JP2010016346A
    • 2010-01-21
    • JP2009029635
    • 2009-02-12
    • Jsr CorpJsr株式会社
    • IKEDA MASATOSHISHIDA HIROTAKAUCHIKURA KAZUICHIANDO MICHIAKI
    • H01L21/304B24B37/00C09K3/14
    • PROBLEM TO BE SOLVED: To provide an aqueous dispersing element for chemical mechanical polishing having high polishing speed and high polishing selectivity to a copper film without causing any defects to the copper film and a low-dielectric-constant insulation film even under normal pressure conditions, and having a small amount of metal contamination in a wafer, and to provide a chemical mechanical polishing method using the aqueous dispersing element for chemical mechanical polishing. SOLUTION: The aqueous dispersing element for chemical mechanical polishing polishes the copper film. The copper film contains: a silica particle A; an organic acid B; and a water-soluble polymer C having properties as a Lewis base of which weight-average molecular weight is not less than ten thousand and not more than a million and a half. The silica particle A has the following chemical properties of a silanol group calculated from signal area of a 29 Si-NMR spectrum being 2.0-3.0×10 21 /g. COPYRIGHT: (C)2010,JPO&INPIT
    • 解决方案:提供一种用于化学机械抛光的水性分散元件,其具有高的抛光速度和对铜膜的高抛光选择性,而不会对铜膜造成任何缺陷,并且即使在正常情况下也不会产生低介电常数的绝缘膜 并且在晶片中具有少量的金属污染,并提供使用该化学机械抛光用水分散元件的化学机械研磨方法。

      解决方案:用于化学机械抛光的水分散元件抛光铜膜。 铜膜包含:二氧化硅颗粒A; 有机酸B; 具有重均分子量为10000以上且百万分之一以下的作为路易斯碱的性质的水溶性聚合物C。 二氧化硅颗粒A具有由2.0-3.0×10 SP-21 / g的信号面积计算的硅烷醇基团的以下化学性质。 版权所有(C)2010,JPO&INPIT

    • 6. 发明专利
    • Set for manufacturing water-based dispersing element for chemical-mechanical polishing
    • 用于制造化学机械抛光的基于水的分散元件
    • JP2009302551A
    • 2009-12-24
    • JP2009182356
    • 2009-08-05
    • Jsr CorpJsr株式会社
    • UCHIKURA KAZUICHINISHIMOTO KAZUOHATTORI MASAYUKIKAWAHASHI NOBUO
    • H01L21/304B24B37/00C09K3/14
    • C09K3/1463C09G1/04H01L21/3212
    • PROBLEM TO BE SOLVED: To provide a set for manufacturing a water-based dispersing element for chemical-mechanical polishing which suppresses surface defects such as dishing, erosion, and scratches in a process of flattening a polished surface by chemical-mechanical polishing, and which excels in long-time stability even in a concentrated state. SOLUTION: A method for performing chemical-mechanical polishing includes the steps of: providing the set for manufacturing water-based dispersing element for chemical-mechanical polishing, this set composing of a water-based dispersing element (A) which contains silica particle but not contain an organic acid, and an aqueous solution (B) which contains the organic acid but not contain the silica particle; blending the water-based dispersing element (A), the aqueous solution (B), and an oxidant (C) to manufacture the water-based dispersing element for chemical-mechanical polishing; and then supplying the water-based dispersing element for chemical-mechanical polishing to a grinder so as to perform the chemical-mechanical polishing of a surface to be polished. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种用于化学机械抛光的水性分散元件的制造装置,其通过化学机械抛光在抑制抛光表面的平坦化处理中抑制表面缺陷如凹陷,侵蚀和划痕 即使在集中的状态下也具有长期稳定性。 解决方案:一种用于进行化学机械抛光的方法包括以下步骤:提供用于制造用于化学机械抛光的水性分散元件的组,该组合物包含含有二氧化硅的水性分散元素(A) 颗粒但不含有机酸和含有有机酸但不含二氧化硅颗粒的水溶液(B); 混合水性分散元素(A),水溶液(B)和氧化剂(C),制造用于化学机械抛光的水性分散元件; 然后将用于化学机械抛光的水性分散元件供给到研磨机,以进行待抛光表面的化学机械抛光。 版权所有(C)2010,JPO&INPIT
    • 8. 发明专利
    • Aqueous dispersion for chemo-mechanical polishing and manufacturing method thereof, and chemo-mechanical polishing method
    • 化学机械抛光及其制造方法的水性分散体和机械抛光方法
    • JP2010034497A
    • 2010-02-12
    • JP2009022254
    • 2009-02-03
    • Jsr CorpJsr株式会社
    • IKEDA MASATOSHISHIDA HIROTAKAUCHIKURA KAZUICHIANDO MICHIAKI
    • H01L21/304B24B37/00C09K3/14
    • PROBLEM TO BE SOLVED: To provide an aqueous dispersion for chemo-mechanical polishing having high polishing speed and high polishing selectivity to a copper film, and a small amount of metal contamination of a wafer without causing any defects in the copper film and a low dielectric-constant insulation film even under normal pressure conditions, and to provide a chemo-mechanical polishing method using the aqueous dispersion for chemo-mechanical polishing. SOLUTION: The aqueous dispersion for chemo-mechanical polishing is used for polishing the copper film containing a silica particle (A), an organic acid (B), and an anionic surfactant (C). The silica particle (A) should have the following chemical properties. Silanol group density calculated from a specific surface area measured by a BET method and the amount of silanol groups measured by titration is 1.0-3.0/nm 2 . COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了提供具有高的抛光速度和对铜膜的高抛光选择性的化学机械抛光的水性分散体和少量的晶片的金属污染,而不会引起铜膜和 即使在常压条件下也是低介电常数绝缘膜,并提供使用该水性分散体进行化学机械抛光的化学机械抛光方法。 溶液:用于化学机械抛光的水性分散体用于抛光含有二氧化硅颗粒(A),有机酸(B)和阴离子表面活性剂(C)的铜膜。 二氧化硅颗粒(A)应具有以下化学性质。 通过BET法测定的比表面积计算出的硅烷醇密度和通过滴定测定的硅烷醇基团量为1.0-3.0 / nm 2。 版权所有(C)2010,JPO&INPIT
    • 9. 发明专利
    • Aqueous dispersing element for chemical mechanical polishing and manufacturing method thereof, and chemical mechanical polishing method
    • 化学机械抛光及其制造方法的水分散元件和化学机械抛光方法
    • JP2010028074A
    • 2010-02-04
    • JP2009013933
    • 2009-01-26
    • Jsr CorpJsr株式会社
    • KUBOUCHI SHOUCHIKURA KAZUICHISHIDA HIROTAKA
    • H01L21/304B24B37/00C09K3/14
    • PROBLEM TO BE SOLVED: To provide an aqueous dispersing element for chemical mechanical polishing that reduces metal contamination in a wafer for forming a device and has improved storage stability of silica particles, and to provide a chemical mechanical polishing method using the aqueous dispersing element for chemical mechanical polishing. SOLUTION: The aqueous dispersing element for chemical mechanical polishing polishes a copper film containing a silica particle (A) and an amino acid (B), where the silica particle (A) has the following chemical properties. More specifically, the content of sodium, potassium, and ammonium ions measured by an element analysis by an ICP emission spectrometry or an ICP mass spectrometry and a quantitative analysis of the ammonium ion by an ion chromatography method satisfies a relationship of the content of sodium and the content of at least one selected from sodium and ammonium ions being equal to 5-500 ppm and 100-20,000 ppm, respectively. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种用于化学机械抛光的水性分散元件,其减少用于形成器件的晶片中的金属污染并且改善了二氧化硅颗粒的储存稳定性,并且提供了使用水分散体的化学机械抛光方法 化学机械抛光元件。 解决方案:用于化学机械抛光的水分散元件抛光含有二氧化硅颗粒(A)和氨基酸(B)的铜膜,其中二氧化硅颗粒(A)具有以下化学性质。 更具体地说,通过ICP发射光谱法或ICP质谱法进行元素分析测定的钠,钾和铵离子的含量以及通过离子色谱法进行的铵离子的定量分析满足钠和钾的含量与 选自钠和铵离子中的至少一种的含量分别等于5-500ppm和100-20,000ppm。 版权所有(C)2010,JPO&INPIT