| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a multilayer printed circuit substrate which can form a highly fine pattern, which can be formed in a simple step and which does not have a problem of a waste liquid treatment. <P>SOLUTION: The multilayer printed circuit substrate includes at least two laminated wiring boards each having a characteristic change layer for changing characteristics by an operation of the photocatalyst and a conductive pattern formed along the pattern changed in the characteristics of the changing layer. <P>COPYRIGHT: (C)2004,JPO</p> |
