[K-4-2] Room-Temperature Cu Microjoining Using Ultrasonic Bonding of Cone Shaped Bump L. J. Qiu1、T. Asano1、K. Noda2、S. Nakai2 (1.Kyushu Univ.、2.Adwelds Co.,Ltd , Japan) https://doi.org/10.7567/SSDM.2012.K-4-2