Study on process of surface-manufacturing nitride-diaphragm sensor

TAN Liu-xi1; ZHAO Gen-bao2; LIU Sheng1; XU Yong4; LENG Yi3; YAO Yuan3

doi:10.13873/j.1000-97872008.02.028

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Study on process of surface-manufacturing nitride-diaphragm sensor

更新时间：2025-09-11

- Study on process of surface-manufacturing nitride-diaphragm sensor
- Issue 2, Pages: 59-60+64(2008)
- 作者机构：
  
  1. 华中科技大学机械科学与工程学院
  2. 奇瑞汽车有限公司
  3. 韦恩州立大学电子与计算机工程学院
  4. 上海飞恩微电子有限公司
  5. 上海飞恩微电子有限公司,湖北,武汉,430074
  6. ,上海,201203
  7. 美国密歇根洲底特律,48202
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872008.02.028
  CLC： TP212
- Published：2008
- 稿件说明：
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[1]谭六喜,赵根宝,刘胜,徐勇,冷毅,姚媛.氮化硅薄膜传感器的平面加工工艺研究[J].传感器与微系统,2008(02):59-60+64.

TAN Liu-xi1, ZHAO Gen-bao2, LIU Sheng1, et al. Study on process of surface-manufacturing nitride-diaphragm sensor[J]. 2008, (2): 59-60+64.
[1]谭六喜,赵根宝,刘胜,徐勇,冷毅,姚媛.氮化硅薄膜传感器的平面加工工艺研究[J].传感器与微系统,2008(02):59-60+64. DOI： 10.13873/j.1000-97872008.02.028.

TAN Liu-xi1, ZHAO Gen-bao2, LIU Sheng1, et al. Study on process of surface-manufacturing nitride-diaphragm sensor[J]. 2008, (2): 59-60+64. DOI： 10.13873/j.1000-97872008.02.028.

摘要

介绍一种以氮化硅薄膜为压力敏感膜、多晶硅为电阻应变计的压力传感器。该压力传感器先后采用2种不同的平面加工工艺进行加工

实际结果表明:改进后的工艺比较好。通过采用对称分布在一个敏感膜上的4只多晶硅电阻应变计串联组成惠斯通电桥的一个桥臂

减少桥臂电阻的制作误差。制作传感器样品并对传感器的电压输出特性进行了测试。测试结果表明:恒流激励的传感器的电压输出特性非常好

传感器具有过载保护功能。

Abstract

A nitride-diaphragm sensor with polysilicon piezoresistors is introduced.The sensor is manufactured with two different surface-micromachined processes

and the result indicates the improved process is better.The resistance error of Wheatstone bridge is decreased because every bridge is made up with four series-wound resistance on a diaphragm arranged symmetrically.Sample is made and the characteristic of voltage output is tested.The results show that the linearity of voltage output of the sensor is good when the sensor is supplied with invariable current.The sensor has self-protection ability when overloaded.

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references

基于Si 3 N 4 薄膜的压力传感器 [J]. 王奇,赵湛,耿照新,方震,曾欢欢,张博军. 传感器与微系统 . 2006(03)

压力传感器的设计制造与应用[M]. 冶金工业出版社 , 孙以材等编著, 2000

半导体传感器[M]. 天津大学出版社 , 张维新等编, 1990

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