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    • 4. 发明申请
    • COMPOSITE NANOMETAL PASTE CONTAINING COPPER FILLER AND JOINING METHOD
    • 包含铜填料的复合纳米材料和接合方法
    • US20150053753A1
    • 2015-02-26
    • US14389668
    • 2012-03-30
    • Teruo KomatsuRyo Matsubayashi
    • Teruo KomatsuRyo Matsubayashi
    • B23K35/02B23K35/36B23K1/20B23K35/30
    • B23K35/025B22F1/0018B22F1/0062B22F7/064B23K1/20B23K35/302B23K35/3612H01B1/026H01B1/22H05K1/092H05K2201/0224H05K2201/0257H05K2201/0272
    • The present invention addresses the problem of providing a composite nanometal paste which is relatively low in price and is excellent in terms of bonding characteristics, thermal conductivity, and electrical property.The present invention is a copper-filler-containing composite nanometal paste that contains composite nanometal particles each comprising a metal core and an organic coating layer formed thereon. The metal paste contains a copper filler and contains, as binders, first composite nanometal particles and second composite nanometal particles which differ from the first composite nanometal particles in the thermal decomposition temperature of the organic coating layer, wherein the mass proportion W1 of the organic coating layer in the first composite nanometal particles is in the range of 2-13 mass %, the mass proportion W2 of the organic coating layer in the second composite nanometal particles is in the range of 5-25 mass %, and these particles satisfy the relationships W1.
    • 本发明解决了提供价格相对低廉并且在结合特性,导热性和电性能方面优异的复合纳米金属糊的问题。 本发明是一种含有铜填料的复合纳米金属浆料,其含有复合纳米金属颗粒,每个复合纳米金属颗粒均包含金属芯和形成在其上的有机涂层。 金属糊包含铜填料,在有机涂层的热分解温度中含有与第一复合纳米金属颗粒不同的第一复合纳米金属颗粒和第二复合纳米金属颗粒作为粘合剂,其中有机涂层的质量比例W1 第一复合纳米金属颗粒中的层在2-13质量%的范围内,第二复合纳米金属颗粒中的有机涂层的质量比例W2在5〜25质量%的范围内,并且这些颗粒满足关系 W1。
    • 8. 发明授权
    • Ultrafine metal particle carrying photocatalyst, highly function
material loaded with the photocatalyst, and method of manufacturing them
    • 支持超细金属颗粒的光催化剂,保持相同功能的基材和制造方法相同
    • US6121191A
    • 2000-09-19
    • US68831
    • 1998-05-18
    • Teruo KomatsuAkio HaradaRyosuke Ueyama
    • Teruo KomatsuAkio HaradaRyosuke Ueyama
    • B01J35/00B01J23/58B01J23/00C01B21/26C01C1/245H01B1/02
    • B01J35/004B01J35/002
    • A photocatalytic substance whose photocatalytic efficiency is greatly strengthened by making an improvement over titanium dioxide on which micron-size fine metal particles are supported, a base material which holds this photocatalytic substance, and manufacturing methods therefor. By reducing the mean particle diameter of metal particles from the size of fine metal particles on the micron scale to the size of ultra-fine metal particles on the nano-scale, it was succeeded that the photocatalytic efficiency of photocatalytic substances such as titanium dioxide, etc. was greatly strengthened. In particular, the feature is that the particle diameter of the ultra-fine metal particles used is set in a range which allows the conspicuous manifestation of a quantum size effect, and the mean particle diameter is in the range of 1 to 10 nm. Furthermore, by causing such a photocatalyst supporting ultra-fine metal particles to be held on the surface of a base material, a highly functional base material which can strongly decompose environmental contaminants is provided. In particular, in cases where fibers of an adsorbing material, e. g., active carbon fibers, are used as a base material, an extremely strong adsorbing and decomposing effect can be realized as a result of the synergism of the adsorbing power of the active carbon fibers and the decomposing power of the photocatalyst supporting ultra-fine metal particles. This synergistic action shows a regular repetitive effect of quick adsorption and decomposition, and a highly functional base material which is extremely useful from an industrial standpoint can be provided.
    • PCT No.PCT / JP97 / 02958 Sec。 371日期:1998年5月18日 102(e)日期1998年5月18日PCT提交1997年8月22日PCT公布。 第WO98 / 11984号公报 日期:1998年3月26日通过对二氧化钛进行改性,光催化效率得到极大的改善,其中微粒尺寸的金属微粒被负载,保护该光催化物质的基材及其制备方法得到改善。 通过将金属颗粒的平均粒径从微米级的细金属颗粒的尺寸减小到纳米尺度上的超细金属颗粒的尺寸,成功的是,光催化物质如二氧化钛, 等等得到了很大的加强。 特别地,所使用的超细金属粒子的粒径被设定在允许量子尺寸效应的显着表现的范围内,平均粒径在1〜10nm的范围内。 此外,通过使这种支撑超细金属颗粒的光催化剂保持在基材的表面上,提供了能够强烈分解环境污染物的高功能性基材。 特别是,在吸附材料的纤维, 使用活性炭纤维作为基材,由于活性炭纤维的吸附力的协同作用和支持超细的光催化剂的分解能力,可以实现极强的吸附和分解效果 金属颗粒。 这种协同作用表现出快速吸附和分解的常规重复效应,并且可以提供从工业角度极为有用的高功能性基材。
    • 10. 发明授权
    • Ultrafine composite metal particles and method for manufacturing same
    • 超细复合金属颗粒及其制造方法
    • US06730400B1
    • 2004-05-04
    • US10018141
    • 2001-12-14
    • Teruo KomatsuHiroshi Nagasawa
    • Teruo KomatsuHiroshi Nagasawa
    • B32B516
    • B22F1/0062B22F1/0018B22F1/0059B22F1/02B22F9/24B22F2998/00B22F2999/00B82Y30/00Y10T428/2991
    • Ultrafine composite metal particles comprising a surfactant sheath and an organic compound sheath that surround a metal core in which metal atoms obtained by reduction precipitation from an organic metal compound have agglomerated, the particle diameter being 1 to 100 nm. The ultrafine composite metal particle may comprise a surfactant sheath that surrounds a metal core in which metal atoms obtained by reduction precipitation from an inorganic metal compound have agglomerated. The ultrafine composite metal particles are obtained by forming an ultrafine particle precursor by producing a colloidal solution of an organic metal compound or an inorganic metal compound in a nonaqueous solvent using a surfactant, and by reducing the ultrafine particle precursor by adding a reducing agent to this colloidal solution, thus forming ultrafine composite metal particles with a diameter of 1 to 100 nm and having at least a surfactant sheath around a metal cored.
    • 包含表面活性剂护套和有机化合物护套的超细复合金属颗粒包围金属芯,其中通过有机金属化合物还原沉淀获得的金属原子已凝聚,粒径为1〜100nm。 超细复合金属颗粒可以包括表面活性剂护套,其包围金属芯,其中通过由无机金属化合物的还原沉淀获得的金属原子已凝聚。 通过使用表面活性剂在非水溶剂中制造有机金属化合物或无机金属化合物的胶体溶液,通过在该非极性溶剂中形成超细颗粒前体,并且通过向其中添加还原剂来还原超细颗粒前体而获得超细复合金属颗粒 胶体溶液,从而形成直径为1至100nm的超细复合金属颗粒,并且在金属芯周围至少具有表面活性剂护套。