The Jubilee 40th International Spring Seminar on Electronics Technology is the premier European forum for the exchange of information between senior and young scientists from academic communities and electronic industries from around the world on topics related to their experimental and theoretical work in the very wide-spread field of electronics and micro/nanoelectronics technology and electronic packaging. The theme of upcoming conference is “High-Tech Electronics for a Better Tomorrow - Theoretical and Practical Aspects”. For the 4th time the ISSE Conference will be held in Bulgaria and more specifically – in its capital city of Sofia. 
   In the frame of a unique combination of poster exhibitions, oral paper presentations, and individual meetings senior and junior researchers from all over the world can come together to discuss scientific problems and their teaching experiences as well as plan and organize international cooperation and student exchanges in a convenient and multicultural atmosphere. 
   You are invited to participate in this great occasion for sharing ideas, friendship and culture in the context of traditional Bulgarian hospitality. The 40th ISSE will be organized by the Department of Microelectronics, Faculty of Electronic Engineering and Technologies, Technical University of Sofia, Bulgaria. The host city of ISSE 2017, Sofia, is a beautiful town with a long tradition of history and culture.