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称重传感器_压阻式传感器的两种类型
发布日期：2012-10-26 15:43:30

        随着半导体技术的发展，传感器已向半导体化和集成化方向发展：人们发现固体受到作用力后，电阻率就要发生变化，这种效应称为压阻效应。它以半导体材料最为显著。压阻式传愿器的工作原理就是签十半导体的比N1效应的；压阻效应的微观理论是建立在半导体的能带理论基础上的。
    　利用半导体材料制成的压阻式传感器行两种类型；一种是利用个导体材料的体电阻做成粘贴式半导体应变计；另一种是在半导体材料的基片上用集成电路工艺制成扩散电阻，称为扩散型压传感器。
　　以上由珠海市长陆工业自动控制系统有限公司经验整理，转摘请注明出处：http://www.longtec.com/

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