Sn/Cu互连体系界面和金属间化合物层Kirkendall空洞演化和生长动力学的晶体相场法模拟*
马文婧,柯常波,周敏波,梁水保,张新平()
PHASE-FIELD CRYSTAL SIMULATION ON EVOLU- TION AND GROWTH KINETICS OF KIRKENDALL VOIDS IN INTERFACE AND INTERMETALLIC COMPOUND LAYER IN Sn/Cu SOLDERING SYSTEM
Wenjing MA,Changbo KE,Minbo ZHOU,Shuibao LIANG,Xinping ZHANG()

图8. 不同杂质含量时Cu/Cu3Sn界面Kirkendall空洞的组织形貌

Fig.8. Simulated morphologies of Kirkendall voids at the Cu/Cu3Sn interfaces with impurity concentrations of 12.98% (a1~a3), 22.26% (b1~b3) and 35.56% (c1~c3) at t=0.6×105 (a1, b1, c1), 1×105 (a2, b2, c2) and 7×105 (a3, b3, c3) (Insets show the corresponding enlarge views)