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US4465727A Ceramic wiring boards 失效
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Ceramic wiring boards
摘要:
A ceramic wiring board which comprises ceramic part in which through-holes are made, sintered wiring pattern part provided on the surface of said ceramic part and sintered conductor part filled in said through-holes shows much decrease in cracks at the through-hole part caused by sintering and remarkable reduction in moisture absorbency when the ceramic part comprises ceramic containing a sintering assistant and the sintered conductor part comprises a metal containing the same sintering assistant as that present in said ceramic part.
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