| 摘要 |
A printed wiring board which is sufficiently prevented from being damaged at the time of heating is provided. This printed wiring board comprises a flexible board having flexibility, a lamination portion which is formed on at least one surface of the flexible board and includes an insulation layer and a conductive layer laminated, and a barrier layer which is disposed between the flexible board and the lamination portion, or between the insulation layer and the conductive layer of the lamination portion and has water-vapor permeability lower than that of the insulation layer of the lamination portion.
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