Patent ID: 7655301

Claim:
A laminated structure for shielding against solar radiation, comprising: an intermediate layer containing fine particles functioning to block solar radiation sandwiched between two sheets for laminating selected from the group consisting of sheet glass, plastic, and plastic containing said fine particles functioning to block solar radiation, wherein said fine particles having the function to block solar radiation comprise composite tungsten oxide fine particles expressed by the general formula MxWyOz where M is at least one element selected from the group consisting of H, He, alkali metals, alkaline-earth metals, rare-earth metals, Mg, Zr, Cr, Mn, Fe, Ru, Co, Rh, Ir, Ni, Pd, Pt, Cu, Ag, Au, Zn, Cd, Al, Ga, In, Tl, Si, Ge, Sn, Pb, Sb, B, F, P, S, Se, Br, Te, Ti, Nb, V, Mo, Ta, and Re, W is tungsten, O is oxygen, and the formula satisfies 0.001≦x/y≦1, and 2.0<z/y≦3.0.