| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a printed wiring board having high reliability in prevention of forgery. <P>SOLUTION: The printed wiring board according to the present invention includes: first and second insulating layers facing each other; a first conductor pattern interposed between the first and second insulating layers; and an insulating printed layer which is interposed between the first and second insulating layers, contains a phosphor for absorbing light having a first wavelength to emit light of a second wavelength different from the first wavelength, and is at least partially positioned between the second insulating layer and the first conductor pattern. <P>COPYRIGHT: (C)2013,JPO&INPIT |
