用于 Alloy 42 的化学抛光剂

Melpolish FN-134

Chemicals
Electronic
Chemical polishing
Fe alloy

Melpolish FN-134

Melpolish FN-134 是一种用于合金 42 外部封装电镀的化学抛光剂。
Melpolish FN-134 可去除合金 42 表面的氧化膜,提供光滑表面,实现优异外观及良好的焊锡附着性。


◆特点
1. 可去除合金 42 的氧化膜,提供化学抛光后的光滑表面
2. 具有高金属溶解能力和稳定的抛光速率,浴液寿命长
3. 不含卤素,对封装内部无损伤
4. 工作液中不含磷化合物,无需废水除磷处理
5. 在标准条件下溶解速率约为 2.5 μm/min
无氰
无氟

Surface appearance after chemical polishing

Surface appearance after chemical polishing
SEM images before/after chemical polishing. Surface roughness turns to smooth after cemical polishing.

Surface appearance after silver plating

Surface appearance after silver plating
Comparison of surface condition after silver plating with/without chemical polishing. Whereas bumpy structure is observed on the surface caused by localization of current flow onto rough structured area in case of no chemical polishing, smooth and flat surface is achieved after silver plating with chemical polishing.

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