国内从事硅电容压力传感器的研究可以说是刚刚起步。尽管国内已经有单位研制出了硅电容传感器,它的精度和静压特性已接近富士公司产品的平均水平,但在长期稳定性方面,差距较大。同时,国内的电容传感器在高差压和微差压规格的开发上仍有较大差距。国外压阻式传感器精度可以达到0.075%,而国内研制的压阻式传感器的精度只有0.1%。在长期稳定性能上,国产传感器和进口传感器的差距更为明显。国产产品长期稳定性的指标为0.1%/年,比国外产品至少高2倍。另外,国产产品的温度特性差。与国外产品相比,温度漂移比国外产品的典型值大50%~100%。此外,国产产品的规格品种不够全,在微差压和高差压、高静压规格方面没有成熟的产品,不能满足某些工艺的特殊要求。
做人要地道,好人有好报;
做事要踏实,步履才坚实!
A good beginning is
half done.
良好的开端是成功的一半。
A single flowerdoes not make a spring.
一花独放不是春,百花齐放春满园。
我们的公司正在复兴,正在强大起来,生活在这个世界上是大有可为的。
我们的生活里不仅有斗争,而且有美好的感情带来的欢乐
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