Fijnstof: norm gehaald probleem niet opgelost: better onderscheidt leidt tot meer gezondheidswinst [Particulate matter: standard archieved, problem unsolved: better differentiation leads to more health benefits]

The air quality limit value for particulate matter currently used in the Netherlands is based on the mass of all particulate matter present in a cubic metre of air. There is a better way to do this. Not all particulate matter has the same impact on health. The health impact is related to the reactivity of the particles in the particulate matter,...

Controlling P and B diffusion during polysilicon formation

High quality passivating contacts can be realized by using the combination of a thin interfacial oxide (SiOx) and doped polysilicon (polySi). Recombination losses are minimized by providing very good passivation between the thin hydrogenated oxide and the cSi, a high field effect by the highly doped polySi [1-2], combined with the low level...