13 research outputs found
Interfacial reaction and mechanical properties for Cu/Sn/Ag system low temperature transient liquid phase bonding
Get PDFJoining Using Reactive Films for Electronic Applications: Impact of Applied Pressure and Assembled Materials Properties on the Joint Initial Quality
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Fabrication of Aluminum Nitride Thermal Substrate and Low-Temperature Die-Bonding Process for High Power LED
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Large-Area Die-Attachment Sintered by Organic-Free Ag Sintering Material at Low Temperature
No full textCharacterization and optical studies of PVP-capped silver nanoparticles
Get PDFIn this study, the size-controlled synthesis of silver nanoparticles (Ag NPs) via chemical reduction method by NaBH4 as a reducing agent and poly(vinyl pyrrolidone) or PVP as a stabilizing agent is reported. Changing of ratios between reducing agent and stabilizing agent relative to AgNO3-optimized conditions for synthesis of stable Ag NPs was studied. The formation of Ag NPs was tracked by UV–Vis spectroscopy, X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and photoluminescence (PL) spectroscopy. Particle size distribution was studied by particle size analyzer, and the morphology was examined by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The optical properties of the synthesized Ag NPs were also investigated. The optimized Ag NPs were very stable even after 1 month that was due to effective stabilization by PVP molecules. The mechanism of Ag NPs formation and stabilization is discussed in detail
Effect of powders on microstructures and mechanical properties for Sn–Ag transient liquid phase bonding in air
No full textInterfacial transformation of preoxidized Cu microparticles in a formic-acid atmosphere for pressureless Cu–Cu bonding
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