| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a wiring board and a mounting structure thereof which meet the demand for improvement of electrical reliability. <P>SOLUTION: A wiring board 2 according to an embodiment of the present invention includes a resin layer 11 containing resin having imido group; and a metal layer 13 which is contacted with the resin layer and contains titanium. The resin layer 11 includes a first layer region 15 contacted with the metal layer 13, and a second layer region 16 located inward of the resin layer 11 compared to the first layer region 15. The first layer region 15 has a larger ratio of the number of nitrogen atoms to the number of carbon atoms than the second layer region 16. <P>COPYRIGHT: (C)2013,JPO&INPIT |
