產(chǎn)品類別:超薄PCB
表面處理:沉金(金厚:0.02um,鎳厚:4um)
導(dǎo)通孔填充要求:導(dǎo)通孔表面履油平整,無明顯凹痕
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表面處理:沉金(金厚:0.02um,鎳厚:4um)
導(dǎo)通孔填充要求:導(dǎo)通孔表面履油平整,無明顯凹痕
Ultra-thin silicon wheat MEMS substrate
Assembly method: Gold wire package + SMT welding
Surface treatment: Immersion gold (gold thickness: 0.02um, nickel thickness: 4um)
Via hole filling requirements: the surface of the via hole is smooth, without obvious dents