[help] high frequency substrate
时间：04-11
整理：3721RD
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when i read Rogers RT/duroid?5870 /5880 ,i have some question?
what is direction ? it has x,y,z in the data sheet. i don't understand it.
what is moisture absorption ,thermal expansion?
any one can help me?
what is direction ? it has x,y,z in the data sheet. i don't understand it.
what is moisture absorption ,thermal expansion?
any one can help me?
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