In this paper we discuss the removal of surface oxidation layer of permalloy 78 using Na
2SO
4 EO water (electrolyzed oxidizing water). First, we threw light on the etching efficiency of Na
2SO
4 EO water on the surface of Permalloy 78 by comparing it with the etching efficiency of soaking in H
2SO
4 solution and NaCl EO water. The comparative study showed that as for the etching efficiency on Permalloy 78, Na
2SO
4 EO water was superior to H
2SO
4 solution, while inferior to NaCl EO water. Next, we threw light on the influence on the surface micro shape of permalloy 78 by the SEM observations and AFM measurement. Lastly, by analyzing the surface, we made it clear that the performance of Na
2SO
4 EO water on removal of surface oxidation layer of permalloy 78. The results showed that as for the removal speed of surface oxidation layer on permalloy 78, Na
2SO
4 EO water superior to H
2SO
4 solution. By this study, we got the suggestion that Na
2SO
4 EO water can be applied to the surface processing of Permaooly 78.
抄録全体を表示