Patent ID: 7914690

Claim:
A method for manufacturing a metallic panel having a ripple luster, the metallic panel being arranged on a surface of an electronic device, the method comprising the steps of: (a) preparing a metallic thin plate; (b) etching the metallic thin plate so as to form a plurality of first and second hollowed portions on the metallic thin plate, wherein each first hollowed portion encircles a pressing region and at least one second hollowed portion forms an icon in the pressing region; (c) cutting the metallic thin plate so as to form a keypad panel having a predetermined shape; (d) disposing the metallic keypad panel into a cavity of a transparent mold, wherein a spinning pattern is formed on an inner surface of the cavity; (e) injecting an ultraviolet curable resin into the cavity of the transparent mold so that the resin is filled in the first and the second hollowed portions; and (f) illuminating with a light source to make the ultraviolet curable resin to form a pattern layer with the spinning pattern on entire surface of the keypad panel.