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    • 65. 发明授权
    • Method for measuring two-dimensional displacement using conjugate optics
    • 使用共轭光学器件测量二维位移的方法
    • US06744520B2
    • 2004-06-01
    • US10086566
    • 2002-03-04
    • Chung-Chu ChangChing-Fen KaoChih-Kung Lee
    • Chung-Chu ChangChing-Fen KaoChih-Kung Lee
    • G01B902
    • G01B11/002G01D5/347
    • A method for measuring two-dimensional displacement using conjugate optics comprises the steps of emitting an incident beam onto a diffraction element to generate many firstly diffracted beams, selecting two axially symmetric beams of the same order of diffraction from the firstly diffracted beams, introducing corresponding sets of wavefront reconstruction optics to reflect the two selected beams back onto the same incident spot along the same optical paths and to generate many secondly diffracted beams, selecting two axially symmetric pairs of beams of the same order of diffraction from the secondly diffracted beams, forming two interference fringes by superposing the two selected pairs of beams via corresponding mirrors and interferometric optics, and obtaining two linearly independent displacements of the diffraction element relative to the rest of the optics by decoding the two interference fringes.
    • 使用共轭光学器件测量二维位移的方法包括以下步骤:将入射光束发射到衍射元件上以产生许多第一衍射光束,选择与第一衍射光束相同衍射光束的两个轴对称光束,引入相应的集合 的波前重建光学器件,以将两个选定的光束沿着相同的光路反射回相同的入射光点,并产生许多第二衍射光束,从第二衍射光束中选择具有相同衍射级的两个轴对称的光束对,形成两个 干涉条纹通过经由对应的反射镜和干涉光学器件叠加两个选定的光束对,并且通过解码两个干涉条纹来获得衍射元件相对于其余的光学元件的两个线性独立的位移。
    • 67. 发明授权
    • Piezoelectric transducer apparatus having a modal-shaped electrode
    • 具有模态电极的压电换能器装置
    • US06597085B2
    • 2003-07-22
    • US09919434
    • 2001-07-30
    • Chih-Kung LeeWen-Hsin HsiaoYu-Hsiang HsuChih-Wen Hsieh
    • Chih-Kung LeeWen-Hsin HsiaoYu-Hsiang HsuChih-Wen Hsieh
    • H01L4108
    • H01L41/107H01L41/047
    • An innovative piezoelectric transducer apparatus having a piezoelectric workpiece with a modal-shaped actuator electrode for converting an input energy of one form into an output energy of another form. The piezoelectric workpiece comprises an actuator section and a sensor section. The actuator section is formed in the piezoelectric workpiece and has a modal-shaped electrode for exciting the piezoelectric workpiece into mechanical vibration upon driven by the input energy. The sensor section is also formed in the piezoelectric workpiece and has a sensor electrode for delivering the output energy to an external load of the apparatus by picking up the energy generated by the excitation. The modal-shaped actuator electrode has a shape function defined by the mathematical solution function of the governing equation of the piezoelectric workpiece under the condition that the piezoelectric workpiece being vibrating in a selected resonant mode.
    • 一种创新的压电传感器装置,其具有带有模态致动器电极的压电工件,用于将一种形式的输入能量转换为另一种形式的输出能量。 压电工件包括致动器部分和传感器部分。 致动器部分形成在压电工件中,并且具有用于在由输入能量驱动时将压电工件激发成机械振动的模态电极。 传感器部分还形成在压电工件中,并且具有用于通过拾取由激励产生的能量将输出能量传递到装置的外部负载的传感器电极。 在压电工件以选定的谐振模式振动的条件下,模态致动器电极具有由压电工件的控制方程的数学解函数定义的形状函数。