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1. 重庆大学, 光电工程学院 重庆,400044
2. 中国电子科技集团, 第24研究所模拟集成电路重点实验室 重庆,400060
收稿日期:2004-10-22,
修回日期:2004-11-10,
网络出版日期:2004-12-15,
纸质出版日期:2004-12-15
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温志渝, 温中泉, 徐世六, 刘玉奎, 张正元, 陈刚, 杨国渝. 真空微电子压力传感器的研制[J]. 光学精密工程, 2004,(6): 603-607
WEN Zhi-yu, WEN Zhong-quan, XU Shi-liu, LIU Yu-kui, ZHANG Zheng-yuan, CHEN Gang, YANG Guo-yu. Vacuum microelectronic pressure sensor[J]. Editorial Office of Optics and Precision Engineering, 2004,(6): 603-607
提出了一种带过载保护功能的真空微电子压力传感器.对传感器的压力敏感膜尺寸、阴阳极间距等结构参数进行了分析计算;针对过载保护的问题
在结构上设计了过载保护环
实现了真空微电子压力传感器的过载自保护功能.采用硅的干、湿法结合的腐蚀、氧化锐化和真空键合等工艺技术
成功地研制出传感器实验样品.对传感器实验样品的参数进行了测试分析
其场致发射阴极锥尖阵列密度达24000个/mm
2
起始发射电压为0.5~1V
反向电压≥25V
当正向电压为5V时
单尖发射电流为0.2nA
压力灵敏度为0.1μA/KPa.
A vacuum micro-electronics pressure sensor with the function of overloading protection is brought forward. The analysis and calculation on some structure parameters of the sensor have been done
such as the dimension of pressure sensitive film
the space length between anode and cathode and so on. As to overloading protection
there is a protection ring. Combining of silicon dry corrosion
wet corrosion
oxidizing sharpening and vacuum bonding techniques
a novel vacuum microelectronic pressure senor was developed. Then
a series of parameters of this sensor has been analized and tested. As a result
the density of field emission tip array reaches 24 000 units per mm
2
the start emission voltage is between 0.5 V to 1 V
the reverse voltage is over 25 V.When the positive voltage is 5 V
the unicuspid emission current is 0.2 nA
pressure sensitivity is 0.1 μA/KPa.
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温志渝,何清义,江永清,等.真空微电子触觉传感器场致发射锥尖阵列的实验研究[J] .重庆大学学报,1998,21(4):12-16.WEN ZH Y,HE Q Y,JIANG Y Q et al. Study of vacuum micro electronic field emission tactile sensor[J] .Journal of Chongqing University,1998,21(4):12-16.(in Chinese)
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