Abstract
This paper describes micromachined bandpass filters design at K band on GaAs and silicon substrate, respectively. The performance of three-layer (supported by 2 um AlGaAs membrane) and two-layer (solid) filter structure on GaAs substrate are compared and discussed. Electromagnetic simulation shows less than 1dB insertion loss and acceptable stop band rejection for both the solid two-layer and membrane three-layer filter structure. A two-layer filter structure with cavity on bottom wafer is also proposed on silicon substrate, where a 10 um SiO2 is used as a membrane. Both EM simulation results and mechanical analysis are provided. The boundary element method is used in mechanical simulation and the deflection of about 1.338 um is obtained for SiO2 membrane.
| Original language | English |
|---|---|
| Pages | 1735-1738 |
| Number of pages | 4 |
| Publication status | Published - 2004 |
| Externally published | Yes |
| Event | 2004 7th International Conference on Solid-State and Integrated Circuits Technology Proceedings, ICSICT 2004 - Beijing, China Duration: 18 Oct 2004 → 21 Oct 2004 |
Conference
| Conference | 2004 7th International Conference on Solid-State and Integrated Circuits Technology Proceedings, ICSICT 2004 |
|---|---|
| Country/Territory | China |
| City | Beijing |
| Period | 18/10/04 → 21/10/04 |
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