科研之友
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摘要
A low-temperature pressureless bonding process using a mixture of trimodal-sized Ag nanoparticles was proposed to form excellent Cu-to-Cu joints. Cu-to-Cu joints formed using the mixed Ag nanoparticles at 350 degrees C for 5 min showed bonding strength of 13.7 MPa, in spite of the bonding process without pressure. Elongated dimples observed on the fracture surface of the Cu-to-Cu joint strongly support the effect of the trimodal mixture system of Ag nanoparticles in the low-temperature pressureless bonding process.
- 出版日期2011-12
