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Magnetfeldmessung zur Detektion von Defekten in Leistungs-ICs

Magnetfeldmessung zur Detektion von Defekten in Leistungs-ICs

In ICs wird die elektrische Verbindung zwischen dem Substrat und den Anschlüssen mittels dünner Drähte hergestellt, deren Durchmesser teilweise unter 70µm liegt. Leistungs-ICs benötigen daher redundante Drähte, um die Strombelast-barkeit garantieren zu können....

Friction and lubrication in cold rolling

Friction and lubrication in cold rolling

In cold rolling, friction between the workpiece and the work roll influences force and power requirements of the mill as well as the surface quality of the rolled strip. In many cold rolling models, empiric process knowledge is required to properly estimate friction....