Simulation and fabrication of the SiC-based clamped-clamped filter

In this paper, the SiC-based clamped-clamped filter was designed and fabricated. The filter was composed of two clamped-clamped beam micromechanical resonators coupled by a spring coupling beam. Structural geometries, including the length and width of the resonator beam and coupling beam, were optimized by simulation for high frequency and high Q, under the material properties of SiC. The vibrating modes for the designed filter structure were analyzed by finite element analysis (FEA) method. For the optimized structure, the geometries of resonator beams and coupling beams, as well as the coupling position, the SiC-based clamped-clamped filter was fabricated by surface micromaching technology.

In this paper, the SiC-based clamped-clamped filter was designed and fabricated. The filter was composed of two clamped-clamped beam micromechanical resonators coupled by a spring coupling beam. Structural geometries, including the length and width of the resonator beam and coupling beam, were optimized by simulation for high frequency and high Q, under the material properties of SiC. The vibrating modes for the designed filter structure were analyzed by finite element analysis (FEA) method. For the optimized structure, the geometries of resonator beams and coupling beams, as well as the coupling position, the SiC-based clamped-clamped filter was fabricated by surface micromaching technology.

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IEEE Beijing Sect.; Chinese Inst Elect.; IEEE Electron Devices Soc.; IEEE EDS Beijing Chapter.; IEEE Solid State Circuits Soc.; IEEE Circuites & Syst Soc.; IEEE Hong Kong EDS, SSCS Chapter.; IEEE SSCS Beijing Chapter.; Japan Soc Appl Phys.; Elect Div IEEE.; URSI Commiss D.; Inst Elect Engineers Korea.; Assoc Asia Pacific Phys Soc.; Peking Univ, IEEE EDS Student Chapter.

[Zhao, Yongmei; Ning, Jin; Sun, Guosheng; Liu, Xingfang; Wang, Liang; Yang, Fuhua] Chinese Acad Sci, Inst Semicond, State Key Labs Transducer Technol, Beijing 100083, Peoples R China

IEEE Beijing Sect.; Chinese Inst Elect.; IEEE Electron Devices Soc.; IEEE EDS Beijing Chapter.; IEEE Solid State Circuits Soc.; IEEE Circuites & Syst Soc.; IEEE Hong Kong EDS, SSCS Chapter.; IEEE SSCS Beijing Chapter.; Japan Soc Appl Phys.; Elect Div IEEE.; URSI Commiss D.; Inst Elect Engineers Korea.; Assoc Asia Pacific Phys Soc.; Peking Univ, IEEE EDS Student Chapter.