Patent ID: 7663062
Filing Date: 2010-02-16
Classification: H05K

Abstract:
1. A flexible circuit board, comprising: a flexible film; a plurality of inner leads formed on the flexible film, each of the inner leads having a first width; a plurality of outer leads formed on the flexible film, each of the outer leads having a second width greater than the first width; and a plurality of connection portions, each of the connection portions connecting a corresponding one of the inner leads with a corresponding one of the outer leads, and at least one connection portion of the connection portions has an inner edge and an outer edge, wherein the outer edge has a first rounded concave section, a second rounded concave section, and a first rounded convex section located between the first rounded concave section and the second rounded concave section, and the inner edge has a second rounded convex section, a third rounded convex section, and a third round concave section located between the second rounded convex section and the third rounded convex section.