Bridge type surface acoustic wave transducer in micro-optical-electro-mechanical gyroscope
A micro-opto-electromechanical and surface acoustic wave technology, applied to electrical components, impedance networks, etc., can solve the problems of large absorption loss, large device size, and incomplete utilization of acoustic power, and achieve the effect of reducing absorption and metallization length
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[0020] The bridge-type surface acoustic wave transducer in the micro-opto-electromechanical gyroscope of the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
[0021] figure 1 It is a schematic diagram of the overall structure of the bridge-type surface acoustic wave transducer in the micro-opto-electromechanical gyroscope of the present invention. Such as figure 1 As shown, the surface acoustic wave transducer of the present invention is a surface acoustic wave transducer with a grouped bridging electrode structure in a micro-opto-electromechanical gyro device based on an acousto-optic waveguide structure. On the base material 5, photolithography, The embedded strip-shaped acousto-optic waveguide area 3 is made by coating, diffusion or etching processes. In addition, on the base material 5, there are also: pressure welding electrodes 1, interdigital electrodes 2 and bridges spanning the upper part of th...
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