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Supported gold catalysts Au/OMS-2 and Au/La-OMS-2 were prepared and used for liquid phase oxidation of cyclohexene with oxygen as an oxidant. These catalysts were characterized by XRD, SEM, TEM and EDX. The reactions were carried out in an autoclave at 80°C without any solvent. Effects of Au content and La content on catalytic performance were studied. Au/La-OMS-2 (0.24) was found to be an efficient...
The packaging technology is driving to lower loop height level with the developments of multiple level stacked die packages and multi-tiered IC packages. It is very important to find moderate low-looped method to achieve perfect bondability and low-looped ability. The effects of looping methods on the bondability and low-looped ability were studied and analyzed. The study results shows that the low-looped...
With the advents and applications of modern packages that employ very thin, die stacking or multi-tiered technologies, low-looped wire bonding with conventional gold wire attracted more attentions. The effect of the size and type of gold wire on the bonding quality, low-looped ability were studied and analyzed. After the serial experiments, such as ball pull test, ball shear test, HAZ length measurement,...
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