Reflector and method for manufacturing the same
 A reflector includes a base body exhibiting dielectric property at least at its surface. A reflecting layer made of aluminum is formed on one surface of the base body by vacuum deposition. A light-transmitting water-insoluble inorganic oxide layer is formed on the aluminum reflecting layer. The light-transmitting inorganic oxide layer has its micropores sealed by sealing agent comprising H.sub.2 O or a carboxylate of an iron family element having a low valence. 
NHK Spring Co., Ltd.
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Hajime Shitomi Shuichi Akira
Shimabukuro Katayama Watanabe Ohno