Triaxial Accelerometer Design Based on MesoPiezoresistive Effect
With the theory of meso-piezoresistive effect, we design a high sensitivity piezoresistive triaxial accelerometer. A three-mass dual-beam geometric micro-structure cavity can be designed by using GaAs/AlAs/InGaAs RTS film as sensitive elemenLAfter theoretical analysis and calculation of the sensitivity of this accelerometer and having compared with conventional silicon micro-accelerometer,we know the piezoresistive sensitivity of the RTS film that possesses the meso-piezoresistive effect is higher than the ordinary bulk silicon material. Building a reasonable bridge circuit can enhance the output voltage signal,The design of the same geometric size double cantilever in three axes may achieve the equal precision measurement in any direction.
meso-piezoresistive effect GaAs / AlAs /InGaAs
Huang Kun Wen Tingdun
Department of Physics North University of China Taiyuan, China
国际会议
太原
英文
332-334
2010-10-22(万方平台首次上网日期,不代表论文的发表时间)