Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Jiromaru Tsujino,Ultrasonic Wire Bonding Using a Complex Vibration Welding Tip,IEEE 1987 Ultrasonics Symposium,,IEEE,1987-01-01,,,615-620,https://cir.nii.ac.jp/crid/1873116917672256384,https://doi.org/10.1109/ultsym.1987.199031