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公开(公告)号：US08273149B2
公开(公告)日：2012-09-25
申请号：US12308728
申请日：2007-06-20
申请人： Yasuhiko Shimotsuma , Kiyotaka Miura , Kazuyuki Hirao , Mitsuo Kawasaki , Osamu Kajita , Takafumi Iwamoto , Eitaro Yasuda , Shigeyuki Kimura
发明人： Yasuhiko Shimotsuma , Kiyotaka Miura , Kazuyuki Hirao , Mitsuo Kawasaki , Osamu Kajita , Takafumi Iwamoto , Eitaro Yasuda , Shigeyuki Kimura
IPC分类号： B22F9/04
CPC分类号： B22F9/04 , B22F1/0025 , B22F2998/00 , B82Y30/00 , Y10T428/2913 , B22F1/0055 , B22F1/0018
摘要： The present invention provides a nanowire production method that is simpler than conventional nanowire production methods, and that makes it easier to control the size and shape of the nanowires by using a technique completely different from the conventional ones. A powder particle containing a metal element is divided into nanometer-size wires containing the metal element by irradiating a suspension of the powder particles with a femtosecond laser. The present invention also makes it possible to divide the nanometer-size wires thus formed into nanometer-size particles containing the metal element by irradiating further the nanometer-size wires with the femtosecond laser.
摘要翻译： 本发明提供了一种比传统纳米线生产方法简单的纳米线制造方法，并且通过使用与常规纳米线完全不同的技术，更容易控制纳米线的尺寸和形状。 通过用飞秒激光照射粉末颗粒的悬浮液，将含有金属元素的粉末颗粒分成含有金属元素的纳米线。 本发明还可以通过用飞秒激光进一步照射纳米尺寸的线将由此形成的纳米尺寸的线分割成包含金属元素的纳米尺寸的颗粒。
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公开(公告)号：US20090291302A1
公开(公告)日：2009-11-26
申请号：US12308728
申请日：2006-06-27
申请人： Yasuhiko Shimotsuma , Kiyotaka Miura , Kazuyuki Hirao , Mitsuo Kawasaki , Osamu Kajita , Takafumi Iwamoto , Eitaro Yasuda , Shigeyuki Kimura
发明人： Yasuhiko Shimotsuma , Kiyotaka Miura , Kazuyuki Hirao , Mitsuo Kawasaki , Osamu Kajita , Takafumi Iwamoto , Eitaro Yasuda , Shigeyuki Kimura
CPC分类号： B22F9/04 , B22F1/0025 , B22F2998/00 , B82Y30/00 , Y10T428/2913 , B22F1/0055 , B22F1/0018
摘要： The present invention provides a nanowire production method that is simpler than conventional nanowire production methods, and that makes it easier to control the size and shape of the nanowires by using a technique completely different from the conventional ones. A powder particle containing a metal element is divided into nanometer-size wires containing the metal element by irradiating a suspension of the powder particles with a femtosecond laser. The present invention also makes it possible to divide the nanometer-size wires thus formed into nanometer-size particles containing the metal element by irradiating further the nanometer-size wires with the femtosecond laser.
摘要翻译： 本发明提供了一种比传统纳米线生产方法简单的纳米线制造方法，并且通过使用与常规纳米线完全不同的技术，更容易控制纳米线的尺寸和形状。 通过用飞秒激光照射粉末颗粒的悬浮液，将含有金属元素的粉末颗粒分成含有金属元素的纳米线。 本发明还可以通过用飞秒激光进一步照射纳米尺寸的线将由此形成的纳米尺寸的线分割成包含金属元素的纳米尺寸的颗粒。
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公开(公告)号：US08512436B2
公开(公告)日：2013-08-20
申请号：US11575360
申请日：2005-08-22
申请人： Mitsuo Kawasaki , Osamu Kajita , Ayu Onishi , Sachiko Masuoka , Takafumi Iwamoto , Eitaro Yasuda
发明人： Mitsuo Kawasaki , Osamu Kajita , Ayu Onishi , Sachiko Masuoka , Takafumi Iwamoto , Eitaro Yasuda
CPC分类号： B22F9/02 , B22F1/0018 , B22F2998/00 , B82Y30/00 , Y10T428/2982 , B22F2202/11 , B22F1/0022
摘要： There is provided a method for efficiently manufacturing metal nano particles without condensing laser beams by using a lens etc. In this method, first, metallic foil pieces, which are a starting material, are dispersed in a dispersion liquid. Next, laser beams are irradiated directly to the metallic foil pieces without providing a condensing means, by which many metal fine particles are yielded. The particle diameters of the metal fine particles obtained can be controlled to sizes from nano particles to submicron particles by utilizing the relationship between the shape (especially thickness) of the metallic foil piece which is a starting material and the absorbed energy of the laser beam.
摘要翻译： 提供了通过使用透镜等而有效地制造金属纳米颗粒而不凝聚激光束的方法。首先，将作为原料的金属箔片分散在分散液中。 接下来，激光束直接照射到金属箔片上，而不提供冷凝装置，由此产生许多金属微粒。 通过利用作为起始材料的金属箔片的形状（特别是厚度）与激光束的吸收能量之间的关系，可以将所获得的金属微粒的粒径控制为从纳米颗粒到亚微米颗粒的尺寸。
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公开(公告)号：US20090053523A1
公开(公告)日：2009-02-26
申请号：US11575360
申请日：2005-08-22
申请人： Mitsuo Kawasaki , Osamu Kajita , Ayu Onishi , Sachiko Masuoka , Takafumi Iwamoto , Eitaro Yasuda
发明人： Mitsuo Kawasaki , Osamu Kajita , Ayu Onishi , Sachiko Masuoka , Takafumi Iwamoto , Eitaro Yasuda
CPC分类号： B22F9/02 , B22F1/0018 , B22F2998/00 , B82Y30/00 , Y10T428/2982 , B22F2202/11 , B22F1/0022
摘要： There is provided a method for efficiently manufacturing metal nano particles without condensing laser beams by using a lens etc. In this method, first, metallic foil pieces, which are a starting material, are dispersed in a dispersion liquid. Next, laser beams are irradiated directly to the metallic foil pieces without providing a condensing means, by which many metal fine particles are yielded. The particle diameters of the metal fine particles obtained can be controlled to sizes from nano particles to submicron particles by utilizing the relationship between the shape (especially thickness) of the metallic foil piece which is a starting material and the absorbed energy of the laser beam.
摘要翻译： 提供了通过使用透镜等而有效地制造金属纳米颗粒而不凝聚激光束的方法。首先，将作为原料的金属箔片分散在分散液中。 接下来，激光束直接照射到金属箔片上，而不提供冷凝装置，由此产生许多金属微粒。 通过利用作为起始材料的金属箔片的形状（特别是厚度）与激光束的吸收能量之间的关系，可以将所获得的金属微粒的粒径控制为从纳米颗粒到亚微米颗粒的尺寸。
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