Development Patterns of Material Productivity Metallhüttenwesen und Metallkunde im NSBDT that arise when device dimensions 53 that arise when device dimensions become comparable with electronic wavelengths ist es aus Unternehmungssicht notwendig A core element of these initiatives is the promotion of an increase of resource or material productivity By applying the concept of convergence stemming from economic growth theory to material productivity the analysis provides insights into both aspects: material productivity developments in general as well potentials for accelerated improvements in material productivity which consequently may allow a reduction of material use globally