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    • 1. 发明授权
    • Articulation device
    • 铰接装置
    • US5668432A
    • 1997-09-16
    • US620210
    • 1996-03-22
    • Takayuki TominagaKouji SendaTakaharu IdogakiTakashi KanekoHitoshi Kanayama
    • Takayuki TominagaKouji SendaTakaharu IdogakiTakashi KanekoHitoshi Kanayama
    • B25J7/00B25J18/06F16C11/00F16C11/06H01L41/083H01L41/09H01L41/08
    • H02N2/101B25J18/06B25J7/00F16C11/00F16C11/0647H01L41/0926H01L41/0953H01L41/0973H02N2/108
    • A moving member 2 is rotatably and slidably arranged in a holder 11 having a spherical inner surface 11a. An inertia body 5 is connected to the moving member 2 via a supporting member 4. At a location opposite the inertia body 5, an arm 3 extends so that it is directed outwardly via an opening of the holder. A piezo electric actuator 63 is arranged between the rotating member 2 and the supporting member 4. An elongation of the actuator causes a relative swing movement between the inertia body 5 and moving member to occur in one direction such that a reaction force in the moving member 2 due to the inertia of the inertia body 5 exceeds the frictional force between the moving member 4 and the holder 11, which allows the moving member 4 to be displaced with respect to the holder 11. A contraction of the actuator causes a relative movement between the inertia body 5 and moving member to occur in the opposite direction such that a reaction force in the moving member 2 does not exceed the frictional force, which allows the inertia body to follow with the actuator 63. A reception of the elongation and the contraction allows a movement of the moving member to occur so that it exceeds the limit of the bonding movement of the actuator.
    • 移动构件2可旋转并可滑动地布置在具有球形内表面11a的保持器11中。 惯性体5经由支撑构件4连接到移动构件2.在与惯性体5相对的位置处,臂3延伸,使得其经由保持器的开口向外指向。 压电电致动器63设置在旋转构件2和支撑构件4之间。致动器的伸长使惯性体5和移动构件之间的相对摆动运动发生在一个方向上,使得移动构件 2由于惯性体5的惯性超过了移动部件4和保持器11之间的摩擦力,这允许移动部件4相对于保持器11移位。致动器的收缩导致相对运动 惯性体5和移动构件沿相反方向发生,使得移动构件2中的反作用力不超过允许惯性体跟随致动器63的摩擦力。接收伸长率和收缩 允许移动构件的运动发生,使得其超过致动器的结合运动的极限。
    • 4. 发明授权
    • Fine structure forming device
    • 精细结构成型装置
    • US5397420A
    • 1995-03-14
    • US935104
    • 1992-08-27
    • Nobuyoshi SakakibaraTakayuki TominagaMichio HisanagaTadashi HattoriYoshitaka GotohNaohito Mizuno
    • Nobuyoshi SakakibaraTakayuki TominagaMichio HisanagaTadashi HattoriYoshitaka GotohNaohito Mizuno
    • B23K10/00H05H1/30H05H1/00
    • H05H1/30B23K10/00
    • A micro machining apparatus forms a high-aspect structure having an optional depth in a workpiece at low cost. The apparatus applies high-frequency electric power to the workpiece and a machining electrode, to form a plasma zone in the vicinity of the leading end of the machining electrode. The apparatus guides a reactive gas into the plasma zone to activate the gas. The activated gas is adsorbed by the surface of the workpiece that faces the leading end of the machining electrode. The adsorbed gas reacts with the material of the workpiece and locally etches off the surface of the workpiece. A feed mechanism of the apparatus feeds the machining electrode toward the workpiece according to the progress of the etching, thereby forming a trench in the workpiece. Reaction products of the workpiece and reactive gas produced by the etching adhere to and deposit on the sidewall of the trench and form a protective film for protecting the sidewall from being etched, thereby providing the trench with a high aspect ratio.
    • 微加工装置以低成本形成在工件中具有可选深度的高方位结构。 该装置对工件和加工电极施加高频电力,以在加工电极的前端附近形成等离子体区域。 该装置引导反应气体进入等离子体区域以激活气体。 活性气体被工件的面向加工电极前端的表面吸附。 吸附的气体与工件的材料反应并局部地从工件的表面上蚀刻掉。 该装置的进给机构根据蚀刻的进行将加工电极朝向工件进给,从而在工件中形成沟槽。 工件的反应产物和通过蚀刻产生的反应性气体粘附并沉积在沟槽的侧壁上并形成保护膜,以保护侧壁不被蚀刻,从而为沟槽提供高纵横比。
    • 6. 发明授权
    • Electrical discharge machine
    • 放电机
    • US5357073A
    • 1994-10-18
    • US27532
    • 1993-03-08
    • Takayuki TominagaMichio HisanagaTadashi Hattori
    • Takayuki TominagaMichio HisanagaTadashi Hattori
    • B23H7/22B23H1/04
    • B23H1/04
    • An electrode for electrical discharge machining. This spark-machining electrode improves the accuracy at which the workpiece is machined by electrical discharge machining. The electrode can dispense with a mechanism which scans the spark-machining electrode or the workpiece. A plurality of needlelike electrodes are formed on the surface of the spark-machining electrode. The needlelike electrodes are so arranged that they are present in craters created by their respective adjacent needlelike electrodes. The plural electrodes form a group. The shape of the surface of this group is formed according to the desired shape to be formed in the workpiece. Art electric discharge occurs mainly at the tips of the needlelike electrodes and so the capacitance is smaller than the capacitance of the prior art flat-plate electrode. Also, the energy of a single electric discharge can be reduced. Furthermore, electric discharge at the side surfaces of the needlelike electrodes can be suppressed because of the effect of concentration of electric field.
    • 放电加工用电极。 该火花加工电极通过放电加工提高了加工工件的精度。 电极可以省去扫描火花加工电极或工件的机构。 在火花加工电极的表面上形成多个针状电极。 针状电极被布置成使它们存在于由它们各自相邻的针状电极产生的凹坑中。 多个电极形成一组。 该组的表面的形状根据要在工件中形成的所需形状形成。 艺术放电主要发生在针状电极的尖端,因此电容小于现有技术的平板电极的电容。 此外,可以减少单个放电的能量。 此外,由于电场浓度的影响,可以抑制针状电极的侧面的放电。