STRETCHABLE WIRING SUBSTRATE

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Inventor(s)

STRETCHABLE WIRING SUBSTRATE

This abstract first appeared for US patent application 18976618 titled 'STRETCHABLE WIRING SUBSTRATE

Original Abstract Submitted

A stretchable wiring board that includes: a stretchable substrate having a first main surface and a second main surface facing each other in a thickness direction; and a wiring member on at least the first main surface side of the stretchable substrate and including at least one stretchable wiring extending in a plane direction including a length direction orthogonal to the thickness direction and a width direction orthogonal to the thickness direction and the length direction, wherein the at least one stretchable wiring includes a first wiring portion and a second wiring portion both extending in the length direction, at least the first wiring portion is an electric path to an outside of the stretchable wiring board, and a tensile strength in the length direction of the second wiring portion is lower than a tensile strength in the length direction of the first wiring portion.