Patent ID: 7888179

Claim:
A method of manufacturing a semiconductor device, comprising: preparing a wiring motherboard which includes a connection pad on one side and a land electrically connected to said connection pad on the other side; a disposition step for dividing said wiring motherboard into a plurality of divided boards, each of which has at least one said wiring board, and for disposing said divided boards to be spaced-apart with each other; a chip mounting step for mounting a semiconductor chip onto a plurality of said wiring boards and for mounting said semiconductor chip spanning at least two divided boards; an electrical connection step for electrically connecting said connection pads of said wiring board and electrode pads formed on one side of said semiconductor chip; a sealing step for forming a sealing part so as to at least cover said semiconductor chip and a semiconductor chip mounting face of said wiring board; forming an external terminal in said land; and obtaining a plurality of semiconductor devices by cutting said sealing part and said divided board.