Abstract
Abstract High-temperature joining is a key technology for electronic component assembly and other high-temperature applications. Recently, focusing on the sintering behavior of metal particles, the joining process using a nanoparticle paste has been proposed as an alternative to establish a high-temperature joining technology. In this study, a feasibility study has been conducted to determine whether an Au nanoporous sheet can be used for joint material. We evaluated the effect of isothermal aging at 250 °C on shear strength of joints using an Au nanoporous sheet. The shear strength of the joint after isothermal storage at 250 °C for 1000 h was more than 25 MPa.
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