Analysis and design considerations of three-dimensional vector accelerometer using SOI structure for wide temperature range

被引:30
作者
Takao, H [1 ]
Matsumoto, Y [1 ]
Seo, H [1 ]
Ishida, M [1 ]
Nakamura, T [1 ]
机构
[1] YEUNGNAM UNIV,DEPT ELECT ENGN,GYONSAN GYONGBUK 712749,SOUTH KOREA
关键词
accelerometers; SOI technology; 3-D detection; thermal residual stress; FEM simulation;
D O I
10.1016/S0924-4247(97)80062-3
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The temperature and output characteristics of a three-dimensional vector accelerometer using silicon on insulator (SOI) structure are studied theoretically, and compared with experimental results. The temperature coefficients of sensitivity and offset voltage (TCS and TCO) are related to some factors such as thermal residual stress, and are expressed numerically. Thermal stress analysis of the accelerometer has also been carried out with the finite-element method (FEM) simulation program ANSYS, and the influence of the thermal stress on the TCO is estimated with the obtained expressions. Experimental results agree well with these theoretical results. Design considerations that enable the accelerometer to have desirable characteristics are discussed with reference to the expressions and the results of FEM simulation.
引用
收藏
页码:91 / 97
页数:7
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