The copper-clad invar sheet material prepared by use of said method has the low coefficient of expansion, good radiating capability, large capacitance and good electromagnetic screening effect.
利用本方法制备的覆铜因瓦片材，具有热膨胀系数低，散热性好，电容量大，电磁屏蔽性好；
2
Said invention uses the electroplating method to prepare the thin copper-clad invar sheet material.