蝕刻液、剝膜液、前後處理液、晶圓清洗液、雷射保護劑

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SPS-40H3
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SPS-40H

Copper microetching fluid

SPS-40H is a persulfate type microetching fluid specially developed for copper surface cleaning. It is mainly used to increase the surface roughness of copper. The main components are sodium persulfate, water-soluble penetrant, accelerator, etc., which have better roughness and uniformity than sodium persulfate solution for the micro-etching effect on the copper surface.
・No interference from chloride ions.
・Reduce the number of slots and save running-cost.
・It can reduce the pyrolysis rate of persulfate dissolved in water, and give full play to the persulfate micro-corrosion ability, and the micro-corrosion rate is stable.
・Can be used for horizontal spraying (SPRAY) or vertical immersion (DIP) operating systems.

Copper etching solution 1399011