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The present article investigated the performance and corrosion behavior between Ag alloy wire bond and Al pad under molding compounds of different chlorine contents. The epoxy molding compounds (EMCs) were categorized as ultra-high chlorine, high chlorine and low chlorine, respectively, with 18.3 and 4.1 ppm chlorine contents. The ball bonds were stressed under 130°C/85%RH with biased voltage of 10V...
The present article investigated the performance and interfacial behavior between Cu wire bond and Al pad under molding compounds of different chlorine contents. The epoxy molding compounds (EMCs) were categorized as ultra-high chlorine, high chlorine and low chlorine, respectively, with 24, 7.6, and 4.3 ppm chlorine contents. The ball bonds were stressed under 130°C/85%RH with biased voltage of 10V...
Model ontology representation is proposed to improve the standardization of model representation in model base system. There are model domain ontology, application ontology and ontology evolution in it. Model domain ontology ensures that the information of model is integrity and consistency, which is abstract of model information and relation on each other. Model application ontology is concretion...
At present, the multivariate linear regression analysis was adopted mostly in the biological toxicity forecast through establishment equation of the QSAR, but the error forecasted was big in many situations because of the complexity and nonlinearity of structure-activity relationship, and it has a high request to the sample selection, In this paper forecast model of the nitrobenzene compound biological...
At present, the multivariate linear regression analysis was adopted in the biological toxicity forecast through establishment equation of the QSAR mostly, but the error forecasted was big in many situations because of the complexity and nonlinearity of structure-activity relationship, and it has a high request to the sample selection, In this paper forecast model of the nitrobenzene compound biological...
Nanotribological characteristics, including coefficient of friction, wear coefficient, and wear resistance, of Cu6Sn5, Cu3Sn, and Ni3Sn4 intermetallic compounds developed by annealing Sn-Cu or Sn-Ni diffusion couples were investigated in this work. The scratch test conditions combine a constant normal load of 10, 20, or 30 mN and a scratch rate of 0.1 1, or 10 mum/s. Experimental results indicate...
At present, the multivariate linear regression analysis was adopted in the biological toxicity forecast through establishment equation of the QSAR mostly, but the error forecasted was big in many situations because of the complexity and nonlinearity of structure-activity relationship, and it has a high request to the sample selection. In this paper forecast model of the nitrobenzene compound biological...
Forecast model of the nitrobenzene compound biological toxicity has been established based on the RBF neural network, the correlation coefficient between the predicted value and the actual value reaches 0.993. Prediction errorpsilas biggest absolute value is 0.34, the rest is under 0.20.So it is a good forecast mode of the nitrobenzene compound biological activity.
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