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    • 9. 发明专利
    • Composition for polishing
    • 抛光组合物
    • JP2006080406A
    • 2006-03-23
    • JP2004264796
    • 2004-09-13
    • Catalysts & Chem Ind Co Ltd触媒化成工業株式会社
    • WAKAMIYA YOSHINORINISHIDA HIROYASUKOMATSU MICHIO
    • H01L21/304B24B37/00B82Y10/00B82Y99/00C09K3/14
    • PROBLEM TO BE SOLVED: To suppress a decrease in a polishing rate to the minimum regardless of long-term polishing service. SOLUTION: In a composition for polishing, a spheroidal particle whose sphericity is 0.9 or larger and 1.0 or smaller and a non-spheroidal particle whose sphericity is 0.3 or larger and less than 0.9 are dispersed in a water-based dispersive medium, and the weight ratio of the spheroidal particle to the non-spheroidal particle ranges from 2/98 to 35/65. The spheroidal particle and non-spheroidal particle are made of silica particles, the average grain size of the spheroidal particle ranges from 20 to 150 nm, and that of the non-spheroidal particle ranges from 5 to 100 nm. The pH of the composition for polishing ranges from 8 to 11.5, and the amount of basic impurities contained in the composition for polishing is 100 ppm or smaller to SiO 2 . COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:不管长期的抛光服务如何,都将抛光速率的降低抑制到最小。 解决方案:在抛光用组合物中,将球状度为0.9以上且1.0以下的球状粒子和球形度为0.3以上且小于0.9的非球形粒子分散在水性分散介质中, 并且球状颗粒与非球形颗粒的重量比为2/98〜35/65。 球状颗粒和非球形颗粒由二氧化硅颗粒制成,球形颗粒的平均晶粒尺寸范围为20至150nm,非球形颗粒的平均晶粒尺寸范围为5至100nm。 研磨用组合物的pH为8〜11.5,研磨用组合物中所含的碱性杂质的含量相对于SiO 2 <100>为100ppm以下。 版权所有(C)2006,JPO&NCIPI
    • 10. 发明专利
    • Silica-coated gold particulates, manufacturing method therefor and red pigment
    • 二氧化硅包覆金颗粒,其制造方法和红色颜料
    • JP2003342496A
    • 2003-12-03
    • JP2002155268
    • 2002-05-29
    • Catalysts & Chem Ind Co Ltd触媒化成工業株式会社
    • NISHIDA HIROYASUWAKAMIYA YOSHINORI
    • A61K8/30A61K8/19A61Q1/00A61Q1/02C09C1/62C09C3/06A61K7/02
    • PROBLEM TO BE SOLVED: To provide a useful red pigment that does not decrease clarity and is not discolored even when exposed to a high temperature.
      SOLUTION: These silica-coated gold particles are obtained by coating with silica, the surface of gold particulates having an average particle size (DG) of 2-50 nm, wherein the average particle size (DP) of the silica-coated gold particulates is 4-150 nm. According to the production method, a surfactant is added to a dispersion of the gold particulates having an average particle size (DG) of 2-50 nm in water or a mixture of water and an organic solvent, an alkali is then added to the dispersion to adjust the pH of the dispersion in the range of 9-12, the dispersion is subject to heating/aging, if necessary, and an acidic silicic acid solution or a silica sol is added to the dispersion.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供一种有用的红色颜料,其即使在暴露于高温下也不会降低透明度并且不变色。 解决方案:这些二氧化硅涂覆的金颗粒通过用二氧化硅涂覆获得,金颗粒的表面具有2-50nm的平均粒度(DG),其中二氧化硅涂覆的平均粒径(DP) 金颗粒为4-150nm。 根据制造方法,在水或有机溶剂的混合物中,在平均粒径(DG)为2-50nm的金粒子的分散液中加入表面活性剂,然后向分散体 为了将分散体的pH调节在9-12的范围内,如果需要,将分散体进行加热/老化,并向分散体中加入酸性硅酸溶液或二氧化硅溶胶。 版权所有(C)2004,JPO