Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)
- 1995.11a
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- Pages.342-344
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- 1995
Comparison of Temperature Characteristics Between Single and Poly-crystalline Silicon Pressure Sensor
단결정 및 다결정 실리콘 압력센서의 온도특성 비교
- Park, Sung-June (Dept. of Electrical Engineering, Kyungpook National Univ.) ;
- Park, Se-Kwang (Dept. of Electrical Engineering, Kyungpook National Univ.)
- Published : 1995.11.18
Abstract
Using piezoresistive effects of single-crystal and poly-crystalline silicon, pressure sensors of the same pattern were fabricated for comparison of temperature characteristics. Optimum size and aspect ratio of rectangular sensor diaphragm were calculated by FEM. For polsilicon pressure sensor, polysilicon resistors of Wheatstone bridge were deposited by LPCVD to be used in a wide' temperature range. Polysilicon pressure sensors showed more stable temperature characteristics than single-crysta1 silicon in the range of
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