An optimized fabrication of high yield CMOS-compatible silicon carbide capacitive pressure sensors | |
Meng, B. ; Tang, W. ; Wang, Z.R. ; Zhang, H.X. | |
2012 | |
英文摘要 | Using anodic bonding, we fabricated a silicon carbide absolute capacitive pressure sensor. Low process temperature below 430??C made the whole fabrication process CMOS compatible. Choosing gold as electrodes, good bonding between gold bottom electrode and SiC layer was available, which made the testing results agree well with the finite element method (FEM) simulations, i.e. the sensor with a square sensing membrane of 200??200 ??m 2 shows a sensitivity of 0.09494 pF/bar over a pressure range of 5 bars, while the simulation result is 0.1035pF/bar. The use of gold increased the yield of devices, for its lower strain, compared to tungsten. Additionally, owing to PECVD carbon silicon and gold's excellent corrosion resistance, this device could be used in harsh environment. ? 2012 IEEE.; EI; 0 |
语种 | 英语 |
DOI标识 | 10.1109/NEMS.2012.6196876 |
内容类型 | 其他 |
源URL | [http://ir.pku.edu.cn/handle/20.500.11897/294695] |
专题 | 信息科学技术学院 |
推荐引用方式 GB/T 7714 | Meng, B.,Tang, W.,Wang, Z.R.,et al. An optimized fabrication of high yield CMOS-compatible silicon carbide capacitive pressure sensors. 2012-01-01. |
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