2013 International Congress on Ultrasonics (2013 ICU Singapore) is the 4th in the series of International Congresses on Ultrasonics starting with the first congress held in 2007 in Vienna, Austria. It will be the first ICU to be held in Asia. With the 21st century known as the Asian Century, this will be a great opportunity to showcase the latest ultrasound technologies in Asia. This congress targets especially participants from the developed and fast industrailising countries of East Asia such as China, Japan, South Korea, Taiwan and various Southeast Asian nations. The congress features a conference with a technical program consisting of eight plenary sessions of contributed papers describing recent developments in ultrasonics and an exhibition.