アルカリ性電解水による金属表面の洗浄 Evaluation for Surface Cleanness of Metals Washed by the Electrolyzed Alkaline Water
Electrolyzed alkaline water, obtained by the electrolysis of a dilute NaCl solution in a cathode compartment shows high pH (alkalinity), low ORP (Oxidation Reduction Potential), and moderate reducibility and oil-emulsification. By utilizing the characteristics of the alkalinity and the oil-emulsification of the electrolyzed alkaline water, metals and lead frames stamped with oil were washed and cleaned, then the cleanness of metals and lead frames for electronic products was evaluated. The surface analysis and quantitative data on remaining residual oils and ionic contamination, AES (Auger Electron Spectroscopy) analysis on metals, and wire-bond pull strength on the lead frames which were washed and cleaned by the electrolyzed alkaline water, showed the same level of cleanness compared to that of the conventional cleaning method by chemicals.
- 表面技術 = The journal of the Surface Finishing Society of Japan
表面技術 = The journal of the Surface Finishing Society of Japan 54(11), 818-822, 2003-11-01
The Surface Finishing Society of Japan