Effect of Ca element on oxygen content, wetting and spreading properties of Au-Ga filler metal Xu, Jiachen ; Wu, Mingfang ; Pu, Juan ; Xue, Songbai ; Han, Yilong Abstract Publication: Vacuum Pub Date: July 2020 DOI: 10.1016/j.vacuum.2020.109380 Bibcode: 2020Vacuu.177j9380X