2:00 PM - 2:15 PM [19p-C213-3] Co-substitution effects of Ca for Y and Sr sites in (Pb,Cu)Sr2YCu2Oz(z≈7) 〇(M2)Keisuke Ozaki1, Tamon Wada1, Toshihiko Maeda1 (1.Kochi Univ.Tech.)