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    • 1. 发明专利
    • Displacement measuring sensor and displacement measuring system
    • 位移测量传感器和位移测量系统
    • JP2010051586A
    • 2010-03-11
    • JP2008220300
    • 2008-08-28
    • Actlas:KkAkita Univ国立大学法人秋田大学株式会社アクトラス
    • MURAOKA MIKIOISHIKAWA HIROMIKANNUKI JUNSANADA SHIN
    • A61B5/11
    • PROBLEM TO BE SOLVED: To provide a displacement measuring sensor and a displacement measuring system for highly sensitively measuring the displacement. SOLUTION: A piezoelectric film structure 10, composed of projection-shaped parts 101 and recessed parts 102 formed by inverting the same shape, is formed by processing a piezoelectric film made of a flat material. Long sides of the respective projection-shaped part 101 and recessed part 102 are cyclically connected with each other via flat strip-shaped parts respectively. Further, the projection-shaped part 101 and the recessed part 102 are connected with each other in such a way that slopes of the same inclination face each other by the strip-shaped part with displacement of half a cycle. In this way, the displacement is measured by measuring the signal voltage output from the piezoelectric film structure 10 tucked in such a way as to generate a negative Poisson's ratio. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供用于高灵敏度地测量位移的位移测量传感器和位移测量系统。 解决方案:通过处理由平坦材料制成的压电膜,形成由突起形部分101和通过反转相同形状形成的凹陷部分102组成的压电膜结构10。 各个突出部101和凹部102的长边分别经由平板状部件循环连接。 此外,突起形状部分101和凹陷部分102以这样的方式相互连接,使得相同倾斜的斜面通过位移为半个周期的带状部分彼此面对。 以这种方式,通过测量从压电膜结构10输出的信号电压,以产生负的泊松比来测量位移。 版权所有(C)2010,JPO&INPIT
    • 2. 发明专利
    • Method for manufacturing hollow nanostructure
    • 制造中空纳米结构的方法
    • JP2013188808A
    • 2013-09-26
    • JP2012055052
    • 2012-03-12
    • Akita Univ国立大学法人秋田大学
    • MURAOKA MIKIO
    • B82B3/00B82Y40/00H01M4/86H01M4/88
    • Y02E60/50
    • PROBLEM TO BE SOLVED: To provide a method for manufacturing a hollow nanostructure by chemically treating a core part of a core-shell structure, the method for manufacturing the hollow nanostructure capable of simply removing the core part without needing treatment for exposing the core part.SOLUTION: A method for manufacturing a hollow nanostructure sequentially includes: a step of preparing an oxide nano core member constituted by at least one kind of oxide whose minimum temperature based on the standard reaction Gibbs energy of the reduction reaction by carbon is ≤1,500°C; a step of forming a carbon coating layer on a surface of the oxide nano core member; a step of making a core-shell structure on the surface of the carbon coating layer by forming a shell layer constituted by non-carbon material; and a step of heat-treating the core-shell structure.
    • 要解决的问题:提供一种通过化学处理芯 - 壳结构的芯部来制造中空纳米结构的方法,该中空纳米结构的制造方法能够简单地除去芯部,而不需要对芯部进行曝光处理。 解决方案:中空纳米结构的制造方法依次包括:制备由至少一种氧化物构成的氧化物纳米芯构件的步骤,其中基于碳的还原反应的标准反应吉布斯能量的最低温度≤1,500℃ ; 在氧化物纳米芯构件的表面上形成碳涂层的步骤; 通过形成由非碳材料构成的壳层,在碳涂层的表面上形成核 - 壳结构的步骤; 以及对芯 - 壳结构进行热处理的步骤。
    • 3. 发明专利
    • Method for bending nano-material and actuator made of nano-material
    • 用于弯曲纳米材料和纳米材料的致动器的方法
    • JP2008246613A
    • 2008-10-16
    • JP2007089548
    • 2007-03-29
    • Akita UnivTohoku Univ国立大学法人東北大学国立大学法人秋田大学
    • MURAOKA MIKIOTOMYO YASUNARISAKA MASUMI
    • B82B3/00
    • PROBLEM TO BE SOLVED: To provide a method for bending a nano-material for achieving a bending process on a wire or sheet type nano-material while responding to requirements of creating a functional microstructure made of a nano-material, and to provide an actuator made of a nano-material using the method. SOLUTION: A different material 2 having a coefficient of linear expansion different from that of a nano-wire 1 is formed on the surface of the nano-wire 1 at a process temperature different from the use temperature after the process. The cross section after the formation has an asymmetry arrangement of the different material 2 so as to induce bending moment in the cross section by the thermal stress generated by the temperature difference between the process temperature and the use temperature. When temperature is changed from the process temperature to the use temperature, bend deformation is caused by the bending moment, and thereby, a bend process is achieved. By changing the use temperature of the nano material after the process, the radius of curvature in bending deformation can be changed according to the same principle as above described, and thereby, an ultra-micro actuator can be obtained. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种用于弯曲用于在线或片状纳米材料上实现弯曲加工的纳米材料的方法,同时响应于产生由纳米材料制成的功能微结构的要求,以及 使用该方法提供由纳米材料制成的致动器。 解决方案:在与该工艺之后的使用温度不同的工艺温度下,在纳米线1的表面上形成具有不同于纳米线1的线性膨胀系数的不同材料2。 形成后的横截面具有不同材料2的不对称布置,以便通过由加工温度和使用温度之间的温差产生的热应力在横截面中引起弯矩。 当温度从工艺温度改变到使用温度时,弯曲变形是由弯矩引起的,从而实现弯曲加工。 通过改变处理后的纳米材料的使用温度,可以根据与上述相同的原理来改变弯曲变形中的曲率半径,由此可以获得超微型致动器。 版权所有(C)2009,JPO&INPIT
    • 4. 发明专利
    • Nano material joining method, cutting method, joining apparatus, and cutting apparatus
    • 纳米材料加工方法,切割方法,接合装置和切割装置
    • JP2008246521A
    • 2008-10-16
    • JP2007089547
    • 2007-03-29
    • Akita UnivTohoku Univ国立大学法人東北大学国立大学法人秋田大学
    • TOMYO YASUNARISAKA MASUMIMURAOKA MIKIO
    • B23K11/00B23K11/22B81C3/00B82B3/00
    • PROBLEM TO BE SOLVED: To provide a simple nano material joining method and apparatus therfor which can attain joining by using the Joule's heat generation even for a nano material and a place that are hard to join by a conventional nano material joining method, and also to provide a simple nano material cutting method and apparatus which cut a nano material at a desired position by using the Joule's heat generation.
      SOLUTION: After a nano material is brought into contact with another nano material or with a material having an arbitrary size, the Joule's heat is generated by imparting an electric current to the contact part, with the contact part thereby locally fused and then cooled to join the materials to each other. Also, a nano material is brought into contact with another minute material, with an electric current imparted to the contact part in-between to generate the Joule's heat, thereby locally fusing the contact part and cutting the nano material.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了提供一种简单的纳米材料接合方法和装置,其可以通过即使对于纳米材料和通过常规纳米材料接合方法难以接合的位置也可以通过使用焦耳的发热来获得接合, 并且还提供了通过使用焦耳的发热在期望的位置切割纳米材料的简单的纳米材料切割方法和装置。 解决方案:在使纳米材料与另一种纳米材料或具有任意尺寸的材料接触之后,通过向接触部分施加电流而产生焦耳的热量,由此接触部分局部熔化,然后 冷却,将材料加入对方。 而且,使纳米材料与另一个微小材料接触,并且在其间施加电流给接触部分以产生焦耳热,由此局部地熔合接触部分并切割纳米材料。 版权所有(C)2009,JPO&INPIT
    • 5. 发明专利
    • Displacement enlarging device
    • 位移放大器
    • JP2005094920A
    • 2005-04-07
    • JP2003324707
    • 2003-09-17
    • Actlas:KkMikio MuraokaOnodera Kosakusho:Kk有限会社 小野寺工作所幹夫 村岡株式会社アクトラス
    • MURAOKA MIKIOONODERA NOBUOSANADA SHIN
    • H02N2/00
    • PROBLEM TO BE SOLVED: To provide a displacement enlarging device that meets a demand for space saving and further can reliably accomplish an increase in the amount of displacement in a slightly displacing device based on displacement in a slightly displacing actuator, with a necessary and sufficient displacement enlargement ratio. SOLUTION: The displacement enlarging device 13 comprises a long plate body 13a so formed that it is substantially identical with a laminated piezoelectric element in length and width. A supporting point 17 supported on the fixed end of the laminated piezoelectric element is provided at one end of the plate body 13a; a power point 18 supported on the free end of the laminated piezoelectric element is provided at the other end of the plate body 13a. A working point 19 is provided at the center of the upper side and that of the lower side of the plate body 13a. Therefore, when the laminated piezoelectric element is elongated under an applied voltage, the working point 19 is caused to displace in the direction orthogonal to the direction of the length of the laminated piezoelectric element by the action of a link mechanism of honeycomb-like periodic structure formed in the plate body 13a with a large displacement enlargement ratio. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种满足空间节省需求的位移放大装置,并且还可以基于稍微位移的致动器中的位移可靠地实现稍微位移装置中的位移量的增加,具有必要 和足够的位移扩大比。 解决方案:位移放大装置13包括长板体13a,其形成为与层叠压电元件的长度和宽度基本相同。 支撑在层叠压电元件的固定端上的支撑点17设置在板体13a的一端; 支撑在层叠压电元件的自由端上的功率点18设置在板体13a的另一端。 工作点19设置在板体13a的上侧的中心和下侧的中心。 因此,当层叠压电元件在施加的电压下伸长时,通过蜂窝状周期性结构的连杆机构的作用使工作点19在与层叠的压电元件的长度方向正交的方向上移位 形成在板体13a中,位移增大比大。 版权所有(C)2005,JPO&NCIPI