Control of electronic device production

Patent Granted A control method for controlling, in connection with a controlled production line for producing an electronic device by a plurality of production steps, respective production devices used in respective production steps, the control method comprising the reference characteristics acquisition step of acquiring the characteristics of a reference device produced by a predetermined reference production line able to execute a plurality of production steps, the comparison device production step of producing a comparison device by processing at least one production step, out of the plurality of production steps, by the controlled production line and by processing the other production steps by the reference production line, the comparison characteristics measuring step of measuring the characteristics of the comparison device.