Optimal design of thin fine-pitch ball grid array by Taguchi method

Department of Innovative Design and Entrepreneurship ManagementFar East UniversityTainan, Taiwan 744, R.O.C.2Department of Mold and Die EngineeringNational Kaohsiung University of Applied SciencesKaohsiung, Taiwan 807, R.O.C.3Department of Engineering ScienceNational Cheng Kung UniversityTainan, Taiwan 701, R.O.C.