Patent ID: 7866032

Claim:
A method of manufacturing a metal keypad panel having a micropore array, and the metal keypad panel being installed on a surface of an electronic device, and the method comprising: (a) preparing a metal laminate; (b) etching the metal laminate with a plurality of micropore arrays; (c) filling a filling onto the micropore arrays; (d) punching the metal laminate to form a single metal keypad panel in a predetermined shape; (e) attaching a backlight module onto a side of the metal keypad panel, wherein the backlight module is comprised of a light guide plate, a plurality of patterns formed on the light guide plate, and a light guide microstructure formed by the patterns; and (f) attaching a side of the backlight module to an electric signal module, wherein the electric signal module includes a flexible printed circuit board, and the circuit board has a plurality of contact points, and each contact point corresponds to a metal dome, and all of the metal domes are in communication with the keypad such that deformation of different areas of the keypad corresponds to deformation of different metal domes, and then an adhesive layer is adhered onto a side of the circuit board and a side of the metal dome for adhering a layer of a dome membrane, and an adhesive block is coated onto a side of a protruding position of the dome membrane, and a protrusion is adhered onto each adhesive block, and the circuit board has a light source module comprised of a plurality of light emitting diodes, and a position of the light emitting diode for producing a light source corresponds to a side of the light guide plate.