TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: At least one or each of the first inorganic layer and the second inorganic layer is contains silicon oxide, silicon nitride, silicon oxynitride or silicon carbide.    TECHNOLOGY FOCUS - POLYMERS - Preferred Method: The composition for the second organic layer is laminated on the first organic layer. The plasma deposition method is a plasma chemical vapor deposition method. The silicon atom constituting the siloxane bond contained in the first organic layer is connected with at least one kind of organic groups, and an silicon atom constituting the siloxane bond contained in the second organic layer is connected to the same kind of the organic group as that of the organic group. Preferred Components: At least one of the polymerizable compound in the composition for the first organic layer or the polymerizable compound in the composition for the second organic layer contains polyfunctional (meth)acrylate. The main ingredient contained in the composition for the first organic layer and for the second organic layer are the same. The acidic compound which is the polymerizable acidic compound, oligomer or polymer is acidic (meth) acrylate, phosphoric acid acrylate, oligomer or polymer. Each of the composition for the first organic layer and the composition for the second organic layer contains a solvent and a photopolymerization initiator. The silane coupling agent contained in the composition for the first organic layer and the silane coupling agent contained in the composition for the second organic layer: are identical; and independently have a dimethoxymethylsilyl group or a trimethoxysilyl group respectively. The first organic layer is adjacent with the second organic layer. At least one of the first organic layer and the second organic layer contains a poly(meth)acrylate. The first organic layer contains poly(meth)acrylate having an acidic group, where the acidic group is a phosphoric acid group. The total thickness of the organic layers contained between the first inorganic layer and the second inorganic layer is 0.1-50 mu m. EXAMPLE - No suitable example given.