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    • 1. 发明申请
    • Nanosized carbonaceous material three-dimensional structure and process for producing the same
    • 纳米碳质材料三维结构及其制备方法
    • US20060286022A1
    • 2006-12-21
    • US10558333
    • 2004-05-20
    • Yoshiyuki MiyamotoTakazumi Kawai
    • Yoshiyuki MiyamotoTakazumi Kawai
    • C01B31/02
    • B01D53/02B01J20/20B01J20/205B01J20/28007B01J20/28045B82Y10/00B82Y30/00B82Y40/00C01B32/152C01B32/162H01L51/0045Y10T428/30
    • According to the present invention, there are provided a novel graphite-like three-dimensional structure which has a partial structure bent-up with such a steeper curvature than that observed for a carbonaceous material having a conventional nanosize three-dimensional structure such as fullerene and nanotube, has such a feature as light weight and high mechanical strength, as well as a process for manufacturing the same. In the present invention, under a high temperature and a low pressure, a plurality of nanosize graphite layer fragments are forced to coming into collision at a high speed in a relative orientation where the layer planes are not set in parallel to form a carbonaceous three-dimensional structure where at least a plurality of graphite-layer-like layer planes having a hexagonal network structure made up of carbon are arranged such that they mutually cross or are in contact with each other and at the sites for the contact between the plurality of layer planes, connections via carbon-carbon covalent bonds are aligned in the shape of a cross-line.
    • 根据本发明,提供了一种新颖的石墨状三维结构,其具有弯曲曲率的部分结构,比具有常规纳米尺寸三维结构的碳质材料观察到的曲线更为弯曲,例如富勒烯和 纳米管具有重量轻和机械强度高的特征,以及其制造方法。 在本发明中,在高温低压下,多层纳米尺寸石墨层片段相对取向不会平行地高度相互碰撞而形成碳质三维层状, 其中至少多个具有由碳组成的六边形网状结构的石墨层状层平面彼此交叉或彼此接触并且在多个层​​之间的接触位置 平面,通过碳 - 碳共价键的连接以交叉线的形状对准。
    • 3. 发明申请
    • Nanotube with a T shaped structure and a field effect transistor, and a method of manufacturing the same
    • 具有T形结构的纳米管和场效应晶体管及其制造方法
    • US20060265789A1
    • 2006-11-23
    • US11355135
    • 2006-02-16
    • Takazumi KawaiYoshiyuki Miyamoto
    • Takazumi KawaiYoshiyuki Miyamoto
    • H01L29/00
    • H01L51/0048B82Y10/00H01L51/0504H01L51/0508H01L51/0595
    • To realize a transistor with a channel and a gate, both being formed with nanotubes, by joining the nanotubes in the form of SP3 bonding, a substrate, on which a pair of source and drain electrodes 27, and a gate terminal 28 are formed, is prepared (Fig. (a)), and then a catalytic layer 20 is formed at the one of the source and drain electrodes 27 (Fig. (b)). A first CNT 23 is formed (Fig. (d)) between the pair of source and drain electrodes 27 by growing the CNT (Fig. (c)) in which the catalytic layer 20 is a core. A second CNT 24 is picked by a holding means 25, and after a cap is eliminated and an opening portion is cleaned using the electron beam as needed, the opening portion is contacted to the side of the first CNT 23, thereby joining the two CNT (fig. (e)). The other end portion of the second CNT 24 is positioned at the gate terminal 28 (Fig. (f)). End portions of the CNT are fixed on the electrodes and the terminal by selectively irradiating metallic ion.
    • 为了实现具有沟道和栅极的晶体管,均通过以纳米管形成的方式形成纳米管,通过以SP3键合的形式连接纳米管,形成有一对源极和漏极电极27以及栅极端子28的基板, (图(a)),然后在源极和漏极电极27(图(b))之一处形成催化剂层20。 通过生长催化剂层20为核心的CNT(图(c)),在一对源极和漏极电极27之间形成第一CNT 23(图(d))。 第二CNT24由保持装置25拾取,并且在消除盖并且根据需要使用电子束清洁开口部之后,开口部分与第一CNT 23的一侧接触,从而将两个CNT (图(e))。 第二CNT 24的另一端部位于栅极端子28(图(f))。 通过选择性地照射金属离子,将CNT的端部固定在电极和端子上。
    • 4. 发明授权
    • Method of selective purification of armchair carbon
    • 选择性净化扶手椅碳的方法
    • US08124045B2
    • 2012-02-28
    • US12309190
    • 2007-06-21
    • Takazumi KawaiYoshiyuki Miyamoto
    • Takazumi KawaiYoshiyuki Miyamoto
    • D01F9/12
    • B82Y30/00B82Y40/00C01B32/17C01P2004/13Y10S977/845
    • The present invention provides a method of selectively extracting metallic armchair carbon nanotubes alone from the mixture of carbon nanotubes of mixed chiralities, wherein vacant lattice defects are removed from armchair carbon nanotubes alone using the fact that the vacant lattice defects of zigzag carbon nanotubes are hard to diffuse in the axial direction of nanotubes compared with those of armchair carbon nanotubes. Since vacant lattice defects remaining on zigzag carbon nanotubes are active, the tube structures are easily destroyed and decomposed by oxidation etc. Thus it is possible to extract armchair carbon nanotubes alone from the mixture of carbon nanotubes of mixed chiralities.
    • 本发明提供了从混合手性碳纳米管的混合物中单独选择性提取金属扶手椅碳纳米管的方法,其中单独使用扶手椅碳纳米管单独去除空位晶格缺陷,这是因为之字形碳纳米管的空格格子缺陷难以 与碳纳米管的碳纳米管相比,在纳米管的轴向扩散。 由于残留在锯齿形碳纳米管上的空格格缺陷是有活性的,所以管结构容易被氧化等破坏和分解。因此,可以从混合手性碳纳米管的混合物中单独提取扶手椅碳纳米管。