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用Agilent4294A测介电损耗遇到的小问题???? 已有1人参与
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chinaworm
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stfmx: 金币+2, 专家考核, 感谢专家 2014-04-21 11:38:45
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stfmx: 金币+2, 专家考核, 感谢专家 2014-04-21 11:38:45
| The main challenge in dielectric measurements is producing good contacts where good means ohmic. That is absolutely essential and an art. It might be possible that your contacts are not ohmic. It very often happens that people get contacts with some rectification properties. That is a killer for those measurements. The problem is that you will always get some results from your analyzer and start interpreting sample physics which in fact might be dominated by contact physics. This may serve as a start. I am not an expert in giving advice how to prepare the contacts. |
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2楼2014-04-21 10:06:22

3楼2014-04-23 15:34:22
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