Patent ID: 7361420
Filing Date: 2008-04-22
Classification: G11B

Abstract:
1. A structure comprising: a first member containing an element A and Si a second member containing one of the element A and Si wherein one of the first member and the second member comprises a columnar member whose side face is surrounded by the other member, wherein the ratio Dl/Ds of an average diameter Dl in the major axis direction to an average diameter Ds in the minor axis direction of a transverse sectional shape of the columnar member is less than 5, and wherein the element A comprises one selected from the group consisting of Li, Na, Mg, K, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Rb, Sr, Y, Zr, Nb, Mo, Ru, Rh, Pd, Cs, Ba, La, Hf, Ta, W, Re, Os, U, Pt, Ce, Pr, Nd, Sm, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, and B.