This paper proposes an optimization methodology for quickly determining a bonding recipe for the inner lead bonding (ILB) of a tape carrier package (TCP). The recipe consists of the bonding force, stage temperature, bonding time, and geometrical forming. This paper proposes an optimization methodology for quickly determining a bonding recipe for the inner lead bonding (ILB) of a tape carrier package (TCP). The recipe consists of the bonding force, stage temperature, bonding time, and geometrical forming.