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In the past few years, organic film prepared on the silicon (Si) surface has become attractive owing to the wide range of potential application, low cost and good performance. In this paper, perfluorinated organic film was prepared on the Si surface in aqueous solution using one-step dipping method. On the Si surface, 4-nitrobenzene diazonium (NBD) tetrafluoroborate was firstly reduced with the presence...
A simple electroless deposition method of fabricating silver nanosheets which is a promising replacement for a high-temperature lead-rich solder used for electronics has been reported. This substrate free deposition method can solve the surface coating problem of the nanostructured silver. By controlling the deposition time, the silver nanosheets with a length of 2μm and a width ranging from 10nm...
A simple electroless deposition method of fabricating silver nanosheets which is a promising replacement for a high-temperature lead-rich solder used for electronics has been reported. This substrate free deposition method can solve the surface coating problem of the nanostructured silver. By controlling the deposition time, the silver nanosheets with a length of 2μm and a width ranging from 10nm...
Electroless Sn films have great potential in the lead-free age such as for high-density, fine-pitch, narrow soldering pad and bump interconnection applications. In the present work, electroless Sn were deposited onto lead-frame alloys (C194 and FeNi42). The microstructures of the electroless Sn films and tin whisker growth in thermal / humiditive chamber were investigated with scanning electron microscope...
Electroplating Sn plays an important role in the lead-free age because of its excellent solderability and many other advantages. In this work, bright Sn was electroplated onto both C194 and FeNi42 alloys. The plating parameters, substrate effect, barrier layer effect and IMC formation were investigated through detailed microstructural characterization of the Sn films, barrier layers and cross-sections...
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