Patent ID: 8003439

Claim:
A method for manufacturing a board on chip package, the method comprising: laminating a first dry film on a carrier film, one side of which is laminated by a thin metal film; patterning the first dry film in accordance with a circuit wire through light exposure and developing process, and forming a solder ball pad and the circuit wire; removing the first dry film; laminating a second dry film excluding a portion where the solder ball pad is formed; etching the thin metal film formed on a portion where the second dry film is not laminated; surface-treating the solder ball pad by applying tin (Sn); removing the second dry film; mounting a semiconductor chip on the solder ball pad by a flip chip bonding; molding the semiconductor chip with a passivation material; removing the carrier film and the thin metal film; and laminating a photo solder resist under the solder ball pad.