With its 49th annual conference being held this year, SSDM is one of the most traditional international conferences held in Japan. SSDM covers a broad spectrum of topics related to solid state devices and materials, and 15 areas are set up for discussion. The number of papers submitted has exceeded 550, and a special issue of the Japanese Journal of Applied Physics (JJAP) focusing on this conference is scheduled to be published. Please contribute your papers or participate in the poster session. Exhibition booths will also be set up for companies and agencies that provide devices, technologies and information relevant to the research and development efforts of the approximately 1,000 conference participants expected to attend. If you are interested in setting up a booth, please contact the secretariat.