| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a decorative film which is formed in a radar device path on a surface of a resin substrate and which can effectively suppress color tone change of the decorative film when having undergone a weathering test. <P>SOLUTION: A decorative film 10 is formed on a surface of a resin substrate K located in a radar device path and includes: a first layer 1 composed of first metal nanoparticles 1a scattered in organic material 1b; and a second layer 2 being in contact with the first layer 1 and composed of second metal nanoparticles 2a which are less noble than the first metal nanoparticles 1a, and are scattered in organic material 2b. <P>COPYRIGHT: (C)2013,JPO&INPIT |
