合金元素对中温Sn-Ag-Cu焊料互连组织及剪切强度的影响
曹丽华1,陈胤伯1,2,史起源1,远杰1,2,刘志权1,2,3()
Effects of Alloy Elements on the Interfacial Microstructure and Shear Strength of Sn-Ag-Cu Solder
CAO Lihua1,CHEN Yinbo1,2,SHI Qiyuan1,YUAN Jie1,2,LIU Zhiquan1,2,3()

图3. S2和M2样品截面SEM像

Fig.3. Cross sectional SEM images of S2 (a) and M2 (b) samples