Flexible Printed Circuits Board and Manufacturing method of the same

摘要

PURPOSE: A flexible printed circuit board and a manufacturing method thereof are provided to prevent the dimension reduction of a circuit by etching a seed layer. CONSTITUTION: A first metal layer is formed on an insulation substrate(S1). A circuit pattern is formed on the insulation substrate(S2). A protection pattern surrounds the circuit pattern(S3). A first metal layer is removed(S4).