The 40th IMAPS Poland International Conference was held in Walbrzych in Ksiaz Castle and took place between 25 and 28 September 2016. This event was organized by the Wroclaw University of Science and Technology. The scope of the Conference covered everything in electronics between the chip and the system. In this special issue of Microelectronics International, nine papers have been selected from the conference. All of them were subjected to the journal's regular reviewing procedure.