Patent ID: 7453045
Filing Date: 2008-11-18
Classification: H05K,Y10T

Abstract:
1. A rigid-flexible printed circuit board, comprising: a plurality of first base boards, each having a liquid crystalline polymer layer one or both sides of which are covered with a copper foil layer on which an inner circuit pattern is formed; a plurality of first coverlays, each deposited over a portion of the inner circuit pattern which corresponds to a flexible region; a plurality of adhesives through which the first base boards are bonded to each other in such a way that the crystalline liquid polymers face each other; a plurality of second base boards, each having an outer circuit pattern and being deposited over the first base board through an adhesive material; a plurality of second coverlays, each deposited over a portion of the outer circuit pattern, covering the flexible region of the second base board; and a plurality of solder masks for protecting the outer circuit pattern.