Patent ID: 9560766
Date: 2017-01-31
CPC Classifications: H01L,H05K,Y10T

Claim:
1. A circuit board, comprising: a main portion including a plurality of base sheets made of a flexible material, the plurality of base sheets being stacked and pressure-bonded in a predetermined direction; and at least one planar conductor pattern provided in the main portion and including a concave portion and a convex portion; wherein the concave portion and the convex portion extend in a direction perpendicular or substantially perpendicular to the predetermined direction; the concave portion is sunken in a direction parallel or substantially parallel to the predetermined direction; the convex portion protrudes in an opposite direction to the direction in which the concave portion is sunken; the at least one planar conductor pattern includes a first planar conductor pattern with a concave portion and a convex portion extending in a first direction; and the circuit board further comprises a plurality of first auxiliary members provided on one principal surface of the first planar conductor pattern and extending in the first direction, the first auxiliary members being spaced apart in a third direction different from the first direction.