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Infrared (IR) sintering as one of photonic sintering technologies has exploited the possibility of application in roll to roll manufacture, because it can sinter metal nanoparticles (NPs) ink in seconds and in large area. Here, we demonstrated near-infrared (NIR) sintering of silver NPs ink with peak wavelength of 1100nm. The volume resistivity of sintered film were decreased exponentially as the...
As one of the promising lead-free interconnection materials, electrically conductive adhesive (ECA) has made considerable advances in recent years. Compared to metal solder, ECAs offer numerous advantages, such as environmental friendliness (elimination of lead usage and flux cleaning), mild processing conditions, fewer processing steps (reducing processing cost), low stress on the substrates and...
By blending flexible epoxy with rigid epoxy or using epoxies with different chain lengths, the mechanical properties of the resulting polymer matrices could be tuned to meet different requirements. With the introduction of nanoparticles into the formulation, better electrical properties of the resulting flexible ECAs (FECAs) have been achieved via particle-particle interface enhancement. Moreover,...
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