| Wu Cai-hong,LI Pei-hong,YANG Wan-xiu,SONG Hai-peng.Comparative Study on Potassium Monopersulfate Compound and Sodium Persulfate in the PCB Micro-etch Field[J],36(1):78-80 |
| Comparative Study on Potassium Monopersulfate Compound and Sodium Persulfate in the PCB Micro-etch Field |
| Received:October 10, 2006 Revised:February 10, 2007 |
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| DOI： |
| KeyWord:Potassium monopersulfate Micro-etch Sodium persulfate PCB |
| Author | Institution |
| Wu Cai-hong |
Shanghai Ansin Chemical Co., Ltd., Shanghai , China |
| LI Pei-hong |
Shanghai Ansin Chemical Co., Ltd., Shanghai , China |
| YANG Wan-xiu |
Shanghai Ansin Chemical Co., Ltd., Shanghai , China |
| SONG Hai-peng |
Shanghai Ansin Chemical Co., Ltd., Shanghai , China |
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| Abstract: |
| The application of Potassium Monopersulfate Compound and Sodium Persulfate in PCB micro-etch is studied comparably by loss-weight to measure the micro-etch velocity. The effects of SPS and PMPS concentration on the etching velocity are analyzed, and the relations of H2SO4 and CuSO4 concentration with KMPS and SPS etching velocity are showed respectively. Experiments indicate that the performance of Potassium Monopersulfate Compound system is more excellent than that of Sodium Persulfate. |
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