********* Overview ********* Objectives ============== To provide an overview of the history and recent development in semiconductor devices, with emphasis on: * Five imperfections underlying the usefulness of semiconductors * The two letters, P and N * Diffusion and drift of carriers * Bipolar and field-effect transistors * Scaled sub-100nm devices * Bandgap engineering Notes ============ #. :download:`overview<./overview/Overview of Semiconductor Technology Jan 2010.pdf>`