Based on the applications in ultra-high-density data storage, a novel micro piezoelectric cantilever is designed, and the probe fabrication process arrangement is made as well.
Testing result showed that inspecting corrosion situation of oil storage tank bottom in eddy current testing was possible, the quality and improvement of probe affected the trial result greatly.
试验结果表明，采用涡流方法检测罐底腐蚀是可行的，探头的改进方式及质量对试验结果影响较大。
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GJ89 type probe traps were used to monitor stored grain insects species, distribution in different storage periods in the steel silo.