| 摘要 |
PROBLEM TO BE SOLVED: To provide a collective printed wiring board including a display part visible from both surfaces of the collective printed wiring board without adversely affecting fixation of an electronic component to each individual printed wiring board, and the like. SOLUTION: In the collective printed wiring board 1 constituted by connecting a plurality of printed wiring boards 2 each formed with a conductor pattern formed of a metal foil layer 3 on at least a surface 17 of an insulation base material having translucency, a display part 7 for displaying a quality determination result of the printed wiring board 2 is formed on each of the printed wiring boards 2, the thickness direction (Z-direction) of the printed wiring board 2 in the display part 7 is formed of only an insulation base material, and at least a metal foil layer or a silk layer is formed around the display part 7. COPYRIGHT: (C)2011,JPO&INPIT
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