Patent ID: 8658904

Claim:
A flex-rigid wiring board, comprising: a flexible wiring board; a first insulation layer positioned to a side of the flexible wiring board and having a first hole which penetrates through the first insulation layer; a second insulation layer laminated over the first insulation layer and an end portion of the flexible wiring board and having a second hole which penetrates through the second insulation layer, the second hole of the second insulation layer being formed along an axis of the first hole of the first insulation layer; a third insulation layer laminated over the first insulation layer and the end portion of the flexible wiring board on an opposite side of the second insulation layer and having a third hole which penetrates through the third insulation layer, the third hole of the third insulation layer being formed along the axis of the first hole of the first insulation layer; a first conductor structure comprising a filled conductor comprising a conductive paste filling the first hole of the first insulation layer; a second conductor structure comprising a filled conductor comprising a plated material filling the second hole of the second insulation layer, the second conductor structure being formed along an axis of the first conductor structure and electrically connected to the first conductor structure; and a third conductor structure comprising a filled conductor comprising a plated material filling the third hole of the third insulation layer, the third conductor structure being formed along the axis of the first conductor structure and electrically connected to the first conductor structure.